This paper reports recent research on abradable materials employed for aero-engine applications. Such thermal spray coatings are used extensively within the gas turbine, applied to the inner surface of compressor and turbine shroud sections, coating the periphery of the blade rotation path. The function of an ...

Criteria used in designing thermal sprayed abradable seal coatings for gas turbine engines are discussed. These include the conditions of being readily abradable and yet being resistable to particle impact erosion from engine-ingested abrasive dust at high gas velocities. Other important criteria include temperature stability, ...

... Abradability tests were also made on the sprayed coatings on Rene 80 turbine blades. The test temperature was 1100 C. ...

This report discusses work on the fatigue of fused silica. Topics covered include: the effect of residual water in silica glass on static fatigue; strengthening of abraded silica glass by hydrothermal treatment; fatigue-resistant coating of silicon oxide glass; and water entry into silica glass during slow crack growth.

This report discusses work on the fatigue of fused silica. Topics covered include: the effect of residual water in silica glass on static fatigue; strengthening of abraded silica glass by hydrothermal treatment; fatigue-resistant coating of silicon oxide glass; and water entry into silica glass during slow crack growth.

In modern jet engines, the efficiency of compressor stages is highly dependent on the clearance between blade tip and casing. To improve efficiency of gas turbines, the gap between the turbine blades and casing has to be minimized. Abradable coatings permit a minimization of the clearance and control of the over-tip leakage by allowing the blade tips to ...

of motion 1.1 Finite element model The present study deals with a single rotating blade and a surrounding abradable coating plastic bar element blade tip geometry rotation abradable profile Figure 3 � Numerical distance between blade tips and surrounding casings. Together with new technologies involving higher cas

A plasma sprayed dual density ceramic abradable seal system for direct application to the HPT seal shroud of small gas turbine engines. The system concept is based on the thermal barrier coating and depends upon an additional layer of modified density cer...

The application and advantages of abradable coatings as gas-path seals in a general aviation turbine engine were evaluated for use on the high-pressure compressor, the high-pressure turbine, and the low-pressure turbine shrouds. Topics covered include: (1...

The effectiveness of polymeric coatings (acrylic, epoxy, and silicone) in preventing stress corrosion was determined by measuring the loading rate sensitivity of bend strength for coated abraded and acid-polished soda-lime glass. The coatings were found t...

The effectiveness of polymeric coatings (acrylic, epoxy, and silicone) in preventing stress corrosion was determined by measuring the loading rate sensitivity of bend strength for coated, abraded and acid-polished soda-lime glass. The coatings were found ...

... Abstract : Dual density plasma-sprayed ceramic coating systems were investigated for possible application as abradable turbine tip seal systems ...

Preliminary results of SA for rock varnish have been experimentally ... impact can be set for each sample and abraded by different ... velocity of 25 m/s. Values ...

either MS-DOS or UNIX; the source code supplied must be compiled under ...... wear into the shaft coating similar to traditional abradable labyrinth seals. ...

To improve gas turbine performance, it is possible to decrease back flow gases in the high-temperature combustion region of the turbo machine by reducing the shroud/rotor gap. Thick and porous thermal barrier coating (TBC) systems and composite CoNiCrAlY/Al2O3 coatings made by air plasma spray and composite NiCrAlY/graphite coatings ...

A hollow sphere ceramic flame spray powder is disclosed. The desired constituents are first formed into agglomerated particles in a spray drier. Then the agglomerated particles are introduced into a plasma flame which is adjusted so that the particles collected are substantially hollow. The hollow sphere ceramic particles are suitable for flame spraying a porous and abradable ...

The major objective is to isolate the cellulosic bundles imbedded in the lignin, and thereafter hydrolyze the isolated cellulosic bundles of alpha and hemi-celluloses into sugars of mono-hexose and pentose, respectively, without significant destruction of these sugars. Two approaches for obtaining the stated goals may be followed: (1) dissolve the lignin without changing the cellulosic fraction. ...

... of a Plasma Sprayed Coating System Using ... by the coating during application was ... RESIDUAL STRESS, *PLASMA SPRAYING, MEASUREMENT ...

Development of an analytical procedure for determining fuel and economic benefits ... bility analysis were used to rank the selected improvement concepts ...... advanced ceramic coating techniques to obtain an abradable seal surface and ..... using updated materials and casting technology, the T. E. thickness can ...

The photoemission was measured of engineering materials (aluminum; copper, plain; copper, abraded; copper-beryllium; magnesium; silver; In2O3 on silica; reflective coating on silica; teflon; kapton; and Pyre ML) associated with the International Sun Earth...

A procedure is described for the determination of the abrasion resistance of glossy smooth coatings of petroleum wax or wax-based blends applied to paper and paperboard. Sixty grams of sand are dropped at a controlled rate onto a very small area of a coating under prescribed experimental conditions. The gloss of the surface is measured with a 20-day ...

... Title : Investigation of Residue and Coating Stoichiometry on 120-mm Combustible Cartridge Cases. Descriptive Note : Final rept. ...

The Rock Abrasion Tools (RAT) onboard the Mars Exploration Rovers enable chemical and mineralogical comparisons of undisturbed surfaces, brushed surfaces, and interiors of rocks at the Gusev Crater and Meridiani Planum landing sites. The variability of Alpha-Particle X-ray Spectrometer (APXS) and M�ssbauer Spectrometer data with depth into rocks is an effective indicator of the extent of aqueous ...

... STRESS, TRIBOLOGICAL AND MACHINING BEHAVIOR OF ... COMMERCIAL CUTTING TOOL INSERTS, COATED ... TIN COATED TOOLS ARE NOT ...

Aerosol deposition (AD coating) is a novel technique to coat solid substances with a ceramic film. The purpose of the present study was to investigate the effect of AD coating on abrasion resistance of a resin composite material. A 5-microm-thick aluminum oxide layer was created on the polymerized resin composite. The specimen was ...

The research work presented in this dissertation focused on processing effects, microstructure development, characterization and performance evaluation of composite and graded coatings used for friction and wear control. The following issues were addressed. (1) Definition of prerequisites for a successful composite and graded coating formation by means of ...

The aim of this study was to investigate the bond durability of heat-polymerized denture base resin to cast CP Ti and Co-Cr alloy. The alloy specimens were divided into five groups: 1) airborne-particle abraded with 50 �m alumina (SAND), 2) Rocatec tribochemical silica coating system (RO), 3) air-abraded followed by application of ...

The residual stress measurement in carbon coatings of optical fibers is theoretically and experimentally investigated. A simple formula used to measure the residual stresses in the thin film deposited on a cylindrical substrate with the bending curvature is proposed. During a temperature drop, the carbon-coated ...

Hydroxyapatite coatings are commonly applied to metallic biomedical implants to accelerate osseointegration. These coatings, usually produced by plasma spray techniques, can be obtained by alternative processes, like biomimetic process, electrolytic deposition, or electrophoretic process as well. Electrophoretic deposition of hydroxyapatite exhibits ...

... Accession Number : ADD133712. Title : Residual Stresses in Wear-Resistant Chromium Coatings,. Descriptive Note : Journal Article,. ...

... In addition, for the metal-coating system there are marked residual stresses which are a consequence of the difference in mechanical and physical ...

A scanning ac probe technique has been developed to measure the impedance variations of electrode surfaces in electrolytes resulting from heterogeneities. The technique can be applied to all conducting surfaces in conducting liquids. Measurements have been conducted on abraded specimens, partially etched Alloy 600, mixed alloy surfaces. Type 304 stainless steel welds, and ...

... Accession Number : ADD451511. Title : RESIDUAL STRESSES IN CHEMICALLY VAPOR DEPOSITED COATINGS IN THE TI-CN SYSTEM. ...

... Title : RESIDUAL STRESS MEASUREMENTS OF A PLASMA-SPRAYED COATING SYSTEM USING SYNCHROTRON X-RAY RADIATION. ...

... Title : Determination of the Elastic Modulus and Residual Stresses in Ceramic Coatings Using a Strain Gage. Descriptive Note : Journal article,. ...

The experimental transport-induced abrasion of five fossil teeth from a crocodilian and the tyrannosaurid dinosaur Albertosaurus demonstrates that enamel-coated teeth are minimally affected by abrasion associated with sediment-transport processes. After the equivalent of 360 480 km of transport, two teeth showed slight loss of weight, scratches were ...

A device is described for detecting the entrainment of sand in fluid flowing into a well from a surrounding fluid-producing earth formation that consists of an elongated member having a polygonshaped cross section and which is covered with one or more coats of distinguishable abradable materials. The device is positioned in the weld adjacent the fluid ...

... chemically vapor deposited monolithic and graded coatings in the Ti-CN system were investigated as a functions of substrate material and coating ...

Apr 15, 1998 ... These other factors include the bond coat coefficient of thermal expansion, the bond coat roughness, and the creep behavior of both the ...

... of Superalloys Protected by Plasma-Sprayed Coatings--II ... The as-sprayed coatings are subjected to tensile ... phenomena between the coating and its ...

This paper reports on two models proposed to explain the mechanical strength increase of abraded or indented soda-lime glasses upon aging, namely, crack tip blunting and the release of residual tensile stress near the crack tip. To clarify the mechanism, the time dependence of the strengthening of an abraded soda-lime glass was ...

protein (hereafter "procoat") of 73 amino acid residues and the Pf3 coat protein of 44 residues, can the small coat proteins then insert into the membrane without contacting the translocase? It has been). These hybrid proteins were termed pro20coat, pro40coat, ...

... Title : FRICTION AND WEAR OF SINTERED FIBERMETAL ABRADABLE ... ABRADABLE GAS PATH SEAL MATERIAL SYSTEMS BASED ON ...

... Accession Number : ADA000604. Title : An Electron Microscope Study of the Structure of Abraded Rutile,. Corporate Author ...

Techniques for measurement of residual stress in MoSi2 coatings and the determination of stress in coatings prepared by metalliding, pack and slurry processes are discussed. The stress level can be determined by stress induced deflections or by X-ray tech...

High-velocity oxy-fuel (HVOF) coating of diamalloy 1005 (similar to Inconel 625 alloy) onto the Ti-6Al-4V alloy is considered and laser-controlled melting of the coating is examined. The residual stress developed after the laser treatment process is modeled using the finite element method (FEM). The experiment is conducted to melt the ...

The final target of this study is to achieve a better understanding of the behavior of thermally sprayed abradable seals such as AlSi/polyester composites. These coatings are used as seals between the static and the rotating parts in aero-engines. The machinability of the composite coatings during the friction of the blades depends on ...

Residual strains in air plasma sprayed (APS) and high velocity oxy-fuel (HVOF) alumina (Al2O3) coatings were investigated by means of neutron diffraction technique. Results of this investigation conclude that through thickness residual strain in the APS coating was mainly tensile whereas the HVOF ...

Attempts to synthesize hybrid materials from polytetramethylene oxide (PTMO) end-functionalized with triethoxy silyl groups and, tetraethylorthosilicate (TEOS) under basic conditions met with only partial success. The films obtained had low mechanical stability. In contrast, films with good mechanical stability were obtained when the TEOS was replaced with tritanium tetraisopropoxide (TIOPR). The ...

X-ray based residual stress measurements were made on type 316 stainless steel and Fe3Al coatings that were high-velocity oxy-fuel (HVOF) sprayed onto low-carbon and stainless steel substrates. Nominal coating thicknesses varied from 250 to 1500 �m. The effect of HVOF spray particle velocity on residual stress ...

Two standard methods for the characterization of the abrasion nanoparticle release into air and liquid from coatings containing nanoparticles were developed. Details of the abrasion processes and the measurement methods are shown. Paints were formulated in an industrial facility. Standard abrasion conditions in wet environments were simulated. The size distribution of the ...

A coating steel component with a pattern of an iron based matrix with crystalline particles metallurgically bound to the surface of a steel substrate for use as disc cutters or other components with one or more abrading surfaces that can experience significant abrasive wear, high point loads, and large shear stresses during use. The ...

This study is an experimental investigation of boron coatings on graphite and the preliminary determination of some of their physical and nuclear related properties. The boron was obtained by the decomposition of diborane in argon at 500/sup 0/C and one atm. Adhesion to the graphite (POCO AXF-5Q) was good if a slightly abraded surface was provided. The ...

Wear and fretting fatigue are important technological problems in automotive, railway and aerospace fields. The purpose of this study is to find a method of reducing the wear of cast-iron (FCD)/aluminum components, which are often applied to automotives, and thus extend their lifetime. First, a stainless-steel (SUS) shim was designed, which can be inserted between an FCD plate and an aluminum ...

The Microscopic Imager on the Spirit rover analyzed the textures of the soil and rocks at Gusev crater on Mars at a resolution of 100 micrometers. Weakly bound agglomerates of dust are present in the soil near the Columbia Memorial Station. Some of the brushed or abraded rock surfaces show igneous textures and evidence for alteration rinds, coatings, and ...

The Microscopic Imager on the Spirit rover analyzed the textures of the soil and rocks at Gusev crater on Mars at a resolution of 100 micrometers. Weakly bound agglomerates of dust are present in the soil near the Columbia Memorial Station. Some of the brushed or abraded rock surfaces show igneous textures and evidence for alteration rinds, coatings, and ...

Lithium fluoride single crystals which were annealed in various gases, abraded with papers of dlfferent grits, etched, polished, and coated with metals before testing were deformed in compression. Another series of tests was performed in which the specimens were deformed while immersed in mineral, fatty, dicarboxylic, and tricarboxylic acids, ...

Examination of contact bullet wounds shows the patterned inprint of the muzzle on the skin ("stanzmark") and further ragged structures around the periphery to be the remainders of the abraded epithelium. Usually these are turned outwards and from arch-shaped intraepithelial recesses, which contain residual amounts of propellant. The damage and soiling ...

Polycrystalline diamond films are of interest because of their unique materials properties. However, depositing films with the desired morphology is hindered by the difficulty in controlling the nucleation process. A popular method of enhancing the nucleation rate and density is to abrade the substrate with diamond powder before deposition. Although effective, this procedure ...

Polycrystalline diamond films are of interest because of their unique materials properties. However, depositing films with the desired morphology is hindered by the difficulty in controlling the nucleation process. A popular method of enhancing the nucleation rate and density is to abrade the substrate with diamond powder before deposition. Although effective, this procedure ...

One factor that affects the suitability of tungsten carbide (WC) coatings for wear and corrosion control applications is the fatigue life of the coated part. Coatings, whether anodized or thermal spray coated, can reduce the fatigue life of a part compared to an uncoated part. This study compares the fatigue life ...

Skin penetration is one of the major routes of exposure for nanoparticles to gain access to a biological system. QD nanoparticles have received a great deal of attention due to their fluorescent characteristics and potential use in medical applications. However, little is known about their permeability in skin. This study focuses on three types of quantum dots (QD) with different surface ...

... with a silicone alkyd enamel top coat. The candidate ... a non-icephobic surface. ... a heavy residue of coating was removed along w'th ice ...

... were made into the effect reactive gas pressures and residual medium have on the protective properties of titanium nitride coatings as produced by ...

... RESIDUAL STRESSES ANALYSES OF METALLO-ORGANIC CHEMICALLY VAPOUR-DEPOSITED CR(7)C(3) COATINGS ON SAE 4135 STEEL ...

... Factory-Based Permethrin Impregnation of Uniforms: Residual ... The factory-based permethrin coating technique has only re- cently been developed. ...

... of Residual Stresses on the Strength, Adhesion and Wear Resistance of SiC Coatings Obtained by Plasma-Enhanced Chemical Vapor Deposition ...

... This creates major air and water pollution problems from abrasive residue as well as paint and anti-foulant residues. ... Abrasive Blast Pot Equipment ...

Thermally sprayed coating characteristics and mechanical properties are in part a result of the residual stress developed during the fabrication process. The total stress state in a coating/substrate is comprised of the quench stress and the coefficient o...

... As a consequence, residual gas analysis (RGA) was performed to ensure that impurities were not present in the system. ...

Residual stresses may affect the mechanical stability of high quality coatings such as Al1-xCrxN. In this study, two different physical vapour deposition techniques leading to different residuals stress states have been used for depositing Al1-xCrxN coatings varying the chromium content. The structure and ...

... are being used to separate ... COMPOSITE MATERIALS, *GRAPHITE, *MATRIX MATERIALS ... COATINGS, SPECTRA, OXIDES, RESIDUAL STRESS ...

... Title : HVOF Application of Nickel and Nickel ... on modifications to spray parameters and ... CRACKS, COATINGS, THERMAL EXPANSION, RESIDUAL ...

... COATINGS, SULFURIC ACID, FORESTS, DELAMINATION, STATICS, WEDGES, JOINING, BONDING, RESIDUALS, INORGANIC ACIDS, MARINE ...

... This and the presence of residual amounts of chlorine probably account for the high temperature electrical properties of the coating being poorer ...

... Abstract : Previous National Shipbuilding Painting Research demonstrated that substrate residues from salt contaminated slag abrasives cause rust ...

The effect of the bond coat on residual adhesion strength after thermal cycle fatigue was investigated in plasma-sprayed thermal barrier coatings (TBC). This study used CoNiCrAlY powder with two different particle sizes for spraying bond coat material to examine the effect of interface roughness between the bond ...

Research continued on the mechanism of mechanical fatigue of silica glass. Significant accomplishments this quarter include: strength increase of abraded glasses by thermal and chemical treatments was found best explained by crack tip blunting; fatigue was found to involve crack initiation in addition to crack propagation, and only water and ammonia were found capable of ...

A new empirical expression for estimating minimum achievable residual reflectance of antireflection (AR) coatings is presented. The expression gives an accurate approximation of the minimum residual reflectance for normal- and oblique-incidence AR coatings in the visible and infrared spectral ranges. PMID:18545282

Wear-resistant thermal spray coatings for sliding wear are hard but brittle (such as carbide and oxide based coatings), which makes them useless under impact loading conditions and sensitive to fatigue. Under extreme conditions of erosive wear (impact loading, high hardness of abrasives, and high velocity of abradant particles), ...

In addition, the NiAl hot surface coating temperature reaches only 564 ?C compared to the 758 ?C for the NiCrAlY coating. The temperature difference through ...

Transmembrane Domain of the Major Coat Protein of Bacteriophage M13 Ruud B. Spruijt,*, Cor J. A. M. Wolfs, Jan W, 1996; ReVised Manuscript ReceiVed May 20, 1996X ABSTRACT: The major coat protein of the filamentous. To identify the transmembrane domain of the coat protein, we have introduced unique cysteine residues ...

Thermally sprayed coating characteristics and mechanical properties are in part a result of the residual stress developed during the fabrication process. The total stress state in a coating/substrate is comprised of the quench stress and the coefficient of thermal expansion (CTE) mismatch stress. The quench stress is developed when ...

Thermally sprayed coating characteristics and mechanical properties are in part a result of the residual stress developed during the fabrication process. The total stress state in a coating/substrate is comprised of the quench stress and the coefficient of thermal expansion (CTE) mismatch stress. The quench stress is developed when ...

Resin bonding to zirconia ceramic cannot be established by standard methods that are utilized for conventional silica-based dental ceramics. This study was aimed to examine the tensile bond strength of resin cement to zirconia ceramic using a new laboratory technique. Sixty-four zirconia ceramic specimens were air-abraded using Al2O3 particles and divided into two groups; the ...

... Abstract : X-Ray diffraction and TEM were used to study the surface characteristics of hexagonal close-packed Ti-6Al-4V, that had been abraded ...

... Abstract : A non-combustible, abradable sealant composition for jet engines comprising a major amount of aluminum phosphate and a minor ...

Three abradable gas path seal material systems based on a sintered NiCrAlY fibermetal structure were

Design, validation, and implementation of an optical spectroscopic system for high-throughput analysis of combinatorially developed protective organic coatings are reported. Our approach replaces labor-intensive coating evaluation steps with an automated system that rapidly analyzes 8 x 6 arrays of coating elements that are discretely ...

Work performed under United States - German High Temperature Reactor Reactor Research Exchange Program. A method was developed for determining U traces in pyrocarbon layers in the range 10/sup -6/ to 10/sup -9/. First, the layers are mechanically removed stepwise in special glass containers (step width 5 to 15 mu m) in which the chemical dissolution of the abraded ...

and then coated with HVOF, thermal sprayed WC-17 wt.% Co coating using parameters optimized for maximum fatigue in WC wt. 17% Co high velocity oxygen fuel (HVOF) thermal spray coatings subjected to axial fatigue.J.C. Voorwald, "Effects of Tungsten Carbide Thermal Spray Coating by HP/HVOF and Hard Chromium (b

This paper presents results on neutron activation analyses of the interiors and the abraded surfaces

Labyrinth air seal static and dynamic performance was evaluated using solid, abradable, and honeycomb lands with standard and advanced seal designs. The effects on leakage of land surface roughness, abradable land porosity, rub grooves in abradable lands,...

Adherence of plasma-sprayed thermal barrier coatings (TBC'S} is strongly dependent on mechanical interlocking at the interface between the ceramic coating and the underlying metallic bond coat. Typically, a rough bond-coat surface topology is required to achieve adequate mechanical bonding. However, the ...

Accurate characterization of the elastic properties of thermal barrier coatings (TBC`s) is important for failure prediction. Thermally sprayed coatings often exhibit anisotropic and nonlinear elastic properties due to the coating microstructure that results from the thermal spray process. A method was developed for determining the ...

Ceramic coatings have been successfully prepared on biocompatible AZ31 magnesium alloy substrates using microarc oxidation (MAO) technique. Residual stresses attributed to the MgO constituent of the coatings at different oxidation voltages have been evaluated by x-ray diffraction using the sin2 ? method. It is found that tensile ...

Fluorinated mesoporous silica films were synthesized via sol-gel co-condensation and coated on glass substrates. Surfactant template concentrations were varied to examine the effect of encapsulated organic functionality on the microtribological properties of films using atomic force microscopy. Films were tested as synthesized and also after being abraded ...

A process for concentrating U values in ores before processing for U recovery is offered. Raw ore is crushed in rubber-lined equipment and wetted to prevent dust loss. The crushed ore passes then to an attrition mill where it is conditioned for the first flotation (coal tar creosote collector-pine derivative frothing reagent) to remove carbonaceous material. The tailings go through a ...

The Spirit landing site in Gusev Crater on Mars contains dark, fine-grained, vesicular rocks interpreted as lavas. Pancam and Mini-Thermal Emission Spectrometer (Mini-TES) spectra suggest that all of these rocks are similar but have variable coatings and dust mantles. Magnified images of brushed and abraded rock surfaces show alteration rinds and veins. ...

The Spirit landing site in Gusev Crater on Mars contains dark, fine-grained, vesicular rocks interpreted as lavas. Pancam and Mini-Thermal Emission Spectrometer (Mini-TES) spectra suggest that all of these rocks are similar but have variable coatings and dust mantles. Magnified images of brushed and abraded rock surfaces show alteration rinds and veins. ...

Successful bonding of U/sup 238/ was accomplished by removal of the oxide layer and application of the adhesive without exposing the uranium to air. In this method the metal was manually abraded in a pool of liquid adheslve. Bond strengths of approximately 1200 psi were obtained. The bonds formed by this new method withstood storage for one month at 160 ts ...

Coatings are an essential part in the formulation of pharmaceutical dosage form to achieve superior aesthetic quality (e.g., color, texture, mouth feel, and taste masking), physical and chemical protection for the drugs in the dosage forms, and modification of drug release characteristics. Most film coatings are applied as aqueous- or organic-based polymer ...

An investigation was conducted to determine the cause of coating residue found in the test gun chambers during qualification firing of 120-mm combustible cartridge case (CCC) ammunition for the MlAl/A2 main battle tank. The CCC is coated with a clear epox...

Cold spraying, which is one of the spraying systems for particle deposition, has been studied as a new system of bond coatings of Thermal Barrier Coatings (TBCs) for components used in hot section of advanced gas turbine systems. In this paper, mechanical and oxidation properties including residual stress of Atmospheric Plasma Sprayed ...

The application of strippable coatings is an innovative technology for decontamination, which effectively reduces hazard residuals at low cost. The process applies a plastic membrane or polymer on the contaminated surface. The strippable coating is allowed to cure for up to 24 hours, after which it can be easily peeled or stripped off ...

The residual stress determination of nanostructured films and coatings is reviewed. A method of measuring the depth dependence of the stress profile using energy dispersive x-ray diffraction with a high-energy 'white' beam synchrotron radiation source is ...

Thermal barrier coating (TBC) applications continue to increase as the need for greater engine efficiency in aircraft and land-based gas turbines increases. However, durability and reliability issues limit the benefits that can be derived from TBC's. A th...

Suitable monomers for radiation curable coatings are mono- and polyfunctional acrylates and N vinylcompounds like vinylpyrrolidone and divinylpropyleneurea. Methacrylates, vinylesters and vinylethers are less suited. The residual monomer content of two co...

In this work, the influence of the substrate temperature on the deposition efficiency, on the coating properties and residual stress was investigated. Pure Al coatings were deposited on Al 6061 alloy substrates using a CGT Kinetics 3000 cold spray system. The substrate temperature was in a range between 20 (room temperature) and 375 ...

The invention provides coatings useful for preventing corrosion of metals. The coatings comprise a film-forming resin and conductive polymers comprising linearly conjugated x-systems and residues of sulfonated lignin or a sulfonated polyflavonoid or deriv...

The invention provides coatings useful for preventing corrosion of metals. The coatings comprise a film-forming resin and conductive polymers comprising linearly conjugated .pi.-systems and residues of sulfonated lignin or a sulfonated polyflavonoid or de...

Thermal sprayed ethylene methacrylic acid (EMAA) and ethylene tetrafluoroethylene (ETFE), spray-and-bake ETFE and polyvinylidene fluoride (PVDF) and brushable ceramic-epoxy coatings were evaluated for corrosion protection in a biochemical process to treat...

A unique spin coat process was developed which improves the coating uniformity and extends the range of applicable resist thicknesses typically encountered for a one viscosity photoresist. This spin coat process involves a high speed, short term initial coat followed by a low speed dry cycle. Advantages are seen in ...

Structure of Membrane-Embedded M13 Major Coat Protein Is Insensitive to Hydrophobic Stress Werner L of a membrane-embedded a-helical reference protein, the M13 major coat protein, is characterized under different major coat protein, a 50-residue-long a-helical model protein, and specifically labeled them using

Membrane-bound Conformation of M13 Major Coat Protein A STRUCTURE VALIDATION THROUGH FRET Wageningen, The Netherlands M13 major coat protein, a 50-amino-acid-long protein, was incorporated into DOPC-AEDANS. The coat protein has a single trypto- phan residue that is used as a donor in fluorescence (or Fo

of M13 Major Coat Protein Petr V. Nazarov,*y Rob B. M. Koehorst,* Werner L. Vos,* Vladimir V-terminal domain of the major coat protein from bacteriophage M13 reconstituted into unilamellar DOPC/ DOPG (4. INTRODUCTION M13 major coat protein is a small protein composed of 50 amino acid residues. The protein

...2010-07-01 false Coat protein of plum pox virus; exemption from the requirement of a tolerance...174.531 Coat protein of plum pox virus; exemption from the requirement of a tolerance...Residues of the coat protein of plum pox virus in or on the food commodities of...

...false Coat protein of cucumber mosaic virus; exemption from the requirement of a tolerance...516 Coat protein of cucumber mosaic virus; exemption from the requirement of a tolerance...Residues of Coat Protein of Cucumber Mosaic Virus are exempt from the requirement of...

...false Coat Protein of Papaya Ringspot Virus; exemption from the requirement of a tolerance...515 Coat Protein of Papaya Ringspot Virus; exemption from the requirement of a tolerance...Residues of Coat Protein of Papaya Ringspot Virus are exempt from the requirement of...

...2010-07-01 false Coat Protein of Potato Virus Y; exemption from the requirement of a... § 174.512 Coat Protein of Potato Virus Y; exemption from the requirement of a... Residues of Coat Protein of Potato Virus Y are exempt from the requirement...

Photoplasticity and photoelastic coating techniques have been successfully employed to study stress concentration in the elastoplastic state and residual stress after unloading. Principles are described herein, and examples of the application of both meth...

A separation procedure was devised for the isolation of human monocytes from buffy coat of whole blood and the cellular residues in platelet bags after plateletpheresis of donors with the Haemonetics Model 30 Cell Processor. The mononuclear cells were iso...

Paint's strippable coating No. Zm-ll-CC, "Peel-astic," does not leave a residue on S-13G that would affect its reflectance. ...

... investigation: Inspection of substrate for predisposing factors such as roughness, residual stresses generated by sand-blasting, contamination by ...

... a high temperature, vacuum tight, chemically compatible ... on the ambient residual gas at 4001J ... additional stimulation by incident ions, photons or ...

laboratory only when the ampoule was coated with hexagonal boron nitride and when the material appeared to be oxide-free [43]. A firrnace was constructed ...

This rock drilling technique incorporates electrically heated lava which jets from the drill head against the rock. The drill head scrapes the residual melt ...

... The Co splats contain distributed carbide particles. ... In Figure 1, a baseline scan of a coated specimen shows the presence of WC and Co phases. ...

... Abstract : Colloidal heterocoagulation in aqueous media was used to form coatings of alumina or polystyrene latex particles on alumina spheres ...

... In addition, residual stress and thermal expansion coefficient measurements are performed on SiC coating-graphite substrate composites. ...

High Velocity Oxygen Fuel (HVOF) Thermal Spray Process ... Coatings are very dense, strong and show low residual tensile stress or ...