... ADP003227. Title : The Wiper Abrasion and Rain Erosion Resistance of Transparent Materials and Coatings for Aircraft Glazing,. ...

... Accession Number : AD0749769. Title : The Abrasive Wear Resistance of Vacuum-Condensed Coatings,. Corporate Author ...

Apr 16, 1996 ... Protective, Abrasion-Resistant Coatings With Tailorable Properties. Because of their light weight and impact resistance, transparent plastic ...

A description is given of the many improvements made in the NBS Abrasive Jet Method since publication of the original article describing this rapid, reproducible, and versatile means for measurirg the abrasion resistance of organic and other coatings. (auth)

... Accession Number : ADD436242. Title : Heat Sealable, Flame and Abrasion Resistant Coated Fabric,. Corporate Author : ...

... Accession Number : ADA171558. Title : Abrasion-Resistant Coated versus Noncoated CR-39 Ophthalmic Lenses: A Field Study. ...

... Abstract : A coating based on Viton A, a fluorocarbon polymer, was developed that provides good resistance to rain erosion (abrasion), as ...

and Kynar. One of the main applications is as a protection coating due to its abrasion resistance, stiffness

... paints--in a highly abrasive environment to evaluate durability and corrosion resistance. Aluminum-bronze alloy, stainless steel, zinc, and zinc ...

... Accession Number : ADD140288. Title : Corrosion and Abrasion Resistivities to Sea Water and Whirled Sea Sand of TiN-Coated Stainless Steel,. ...

... funded research, testing and training programs; updated ... abrasion and chemical resistance as well as ... However, its water absorption and adhesive ...

... Count : 21. Abstract : The abrasion resistances of two finishing systems, one applied to 2014 aluminum and the other to ZK60A magnesium, were ...

Aug 3, 2009 ... The essence of this proposed activity is to develop a multi-use coating system - a highly wear resistant coating surface for use in the ...

Plastic coating that makes fabrics flame-and abrasion-resistant is sealed to fabric by heat. Coating

Jun 25, 2003 ... Simply applying a hard coating on PMCs to improve abrasion and erosion ... of thermal expansion than metallic or ceramic coatings have, ...

There is disclosed transparent, abrasion resistant coating compositions comprising a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of silanol wherein the dispersant comprises metals, alloys and salts thereof.

Abrasion and impact resistance are a prime requirement for many materials applications. To best protect plastic or metal-based composites from abrasion and impact, a surface coating that is simultaneously very hard and highly yielding is necessary. Both t...

... different methods. This difference was confirmed by abrasive wear resistance measurements. UNCLASSIFIED SECURffY ...

... Abstract : The resistance of polyvinylidene fluoride (Kynar) coatings to weathering, abrasion, salt sprays, and outdoor photogradation is discussed. ...

... The materials development�.as directed toward the development of a polycarbonate ophthalmic lens coated with an abrasion resistant material. ...

... The metallized plastic industry has been concerned with protecting aluminized plastics since the beginning of the industry. ...

... OXIDE CERAMIC THERMAL SPRAYED COATINGS FOR ... with different thermal spray processes (atmospheric plasma spraying, vacuum ...

... PPZ coated on poly(ethylene terephthalate) (PET) films ... Phosphazene, Chemical resistance, Polyethylene terephthalate, Polycarbonates, Abrasion. ...

Plasma-polymerized vinyl trimethoxy silane films were deposited on transparent polycarbonate substrates. The adherent, clear films protected the substrates from abrasion and also served as antireflection coatings. Post-treatment of the vinyl trimethoxy si...

The high abrasion and impact loads characteristic of many technologies require frequent maintenance or special materials. Conventional approaches to protection have used either extremely hard coatings or complaint elastomeric coatings. The former are typi...

A literature review was made. In spite of similarities between abrasive wear and solid particle erosion, weld overlay hard facing alloys that exhibit high abrasion resistance may not necessarily have good erosion resistance. The performance of weld overla...

... ABRASION RESISTANT TREATMENTS FOR DACRON WEBBINGS ... ABRASION RESISTANT TREATMENTS FOR DACRON WEBBINGS ...

A specially constructed heat pipe is described for use in fluidized bed combustors. Two distinct coatings are spray coated onto a heat pipe casing constructed of low thermal expansion metal, each coating serving a different purpose. The first coating forms aluminum oxide to prevent hydrogen permeation into the heat ...

A specially constructed heat pipe for use in fluidized bed combustors. Two distinct coatings are spray coated onto a heat pipe casing constructed of low thermal expansion metal, each coating serving a different purpose. The first coating forms aluminum oxide to prevent hydrogen permeation into the heat pipe casing, ...

A phosphazene material, PPZTM, is reported by Idemitsu Petrochemical Company (Tokyo, Japan) to have excellent chemical and abrasion resistance properties for hardcoating applications. An evaluation of the chemical resistance of this coating is presented. ...

... HEAT RESISTANT AND ABRASION RESISTANT PROPERTIES OF 4340 STEEL AT 280,000 TO 300,000 PSI ULTIMATE STRENGTH. ...

Chemical and electrochemical processes for blackening steel were investigated and the coatings compared for corrosion resistance, abrasion resistance, smut formation and light or infrared reflectance. The alkaline oxidizing process is an economical means ...

The use of copolymers of pentaerythritol triacrylate and trimethylolpropane triacrylate, respectively, with various acrylic or vinyl monomers in radiation curing for the preparation of abrasion-resistant coatings was studied. Pentaerythritol triacylate systems exhibited higher viscosities, faster photoresponse and better ...

... it was the result of an abrasive transfer. The contaminants associated with the tested abrasives were not of sufficient quantities ...

... Accession Number : AD0163612. Title : Abrasion Tester and Method of Testing Abrasion Resistance of Flexible Sheet Material. ...

The abrasion resistance of a porous silica antireflective coating prepared from a colloidal silica suspension was increased by the addition of a soluble siloxane binder to the suspension prior to application. After evaporation of the solvent, this binder served to increase the adhesion between individual silica particles, thereby ...

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 ...

The abrasion resistances of two finishing systems, one applied to 2014 aluminum and the other to ZK60A magnesium, were evaluated. Both alloys were first anodized. Subsequently, a blue-wash primer and semigloss paint were applied to the 2014 aluminum; the ...

Surfaces of fabricated structures are protected from damage by impacting particulates by a coating of hard material formed as a mass of thin flexible filaments having root ends secured to the surface and free portions which can flex and overlap to form a ...

... 26 10 Results of the Wet-Track Abrasion Test on Fuel-Resistant Sealers (Ref. 16) .... ... Tests - (I) Fuel drip test followed by wet track abrasion test - ...

The study of the application of free filamentary composites in ''pile''-like structures and linings is aimed at cost effective alternatives to the life limiting abrasive and galling wear experienced in solid member flow systems and system elements. The ba...

Abrasion and impact resistance are a prime requirement for many materials applications. To best protect plastic or metal-based composites from abrasion and impact, a surface coating that is simultaneously very hard and highly yielding is necessary. Both these requirements can be met by a dense pattern of emergent ...

Abrasion and impact resistance are a prime requirement for many materials applications. To best protect plastic of metal-based composites from abrasion and impact, a surface coating that is simultaneously very hard and highly yielding is necessary. Both these requirements can be met by a dense pattern of emergent ...

The authors describe work that was carried out to determine the possibility of using cutting tools with abrasion-resistant coatings of titanium nitride for processing the components of oil-well pumps. For the tests, 40 tetra- and pentahedral nonsharpenable blades with abrasion-resistant titanium nitride coating ...

for gemstones, abrasion resistant coatings for plastics, etc. Shown in table IV are the focused diamondlike film applications at Diamonex,. Inc., is a new ...

... Abstract : Twenty materials consisting of various fabrics and tapes (polyester, teflon, nylon, dacron), fiberglass laminate (epoxy, polyester, phenolic ...

A unique high-rate plasma deposition process has been developed to generate abrasion resistant coatings on polymeric substrates. The process relies on the integration of a plurality of individual expanding thermal plasma sources into a multisource setup. In this work, we will discuss the effects of various hardware and process ...

... Bir d impact Abrasion coating Composites As-cast acrylic Polycarbonate Chemically-strengthened glass Ballistic spall Acrylics 20. ...

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 ...

... Title : Increasing Abrasion Resistance of Reinforced Plastics,. Corporate Author : ... Temperature as a function of abrasion resistance is examined. ...

Results of a program aimed at identifying organic coatings suitable for steel reinforcing bars in concrete are given Resistances of candidate coatings to abrasion, solutions of calcium chloride, hydroxide, sulfate, and fresh cement paste, and surface prep...

Attempts to microencapsulate silicone oils for enhanced fouling release coatings with thermoset wall structures were unsuccessful: Microcapsule filled coatings failed abrasion resistance tests and had mediocre fouling release properties, despite having co...

A method of protecting a substrate against damage comprising disposing on a substrate one or more coatings, wherein one coating comprises an isocyanate-terminated polyurethane prepolymer and a curing agent; wherein the curing agents comprise polyaspartic ...

improve abrasion and erosion resistance is not effective since coating durability is ... between PMCs and high-quality plasma-sprayed, erosion-resistant coatings ...

To evaluate the coating damage caused by pulling pipelines over coral and sandstone seabeds, abrasion field tests were conducted on various coating materials - concrete, coal-tar enamel, extruded polyethylene, coal-tar epoxy paint, alumina-filled epoxy paint, and sand-filled epoxy coating - as well as on two types ...

The abrasion resistance is studied of safety spectacle and goggle lenses made from acetate, CR-39, (diallyl diglycol carbonate), polycarbonate, toughened glass, vinyl and vinyl treated with an anti-fog coating. In addition, the optical properties of prism...

The aim of this study was to compare the effects of ultraviolet (UV) and electron beam (EB) radiation on the properties of cured nanocomposite coatings. Surface hardness increased with increase in radiation dosages (number of passes) for all samples. This was due to the increase in crosslinking with increase in radiation dosage. Pendulum hardness, gel content, and thumb twist ...

Surfaces of fabricated structures are protected from damage by impacting particulates by a coating of hard material formed as a mass of thin flexible filaments having root ends secured to the surface and free portions which can flex and overlap to form a resilient cushioning mat which resembles hair or fur. The filamentary coating covers the underlying ...

Plastic Media Blasting (PMB) is a revolutionary method for the rapid and safe removal of primer, paint and even powder and other chemically resistant coatings from a vast range of products without the use of toxic chemicals or pneumatic blasting with hard abrasives. Although resembling sand-blasting, PMB does not use the hard ...

Coatings examined were selected industrial finishes reported to have good resistance to corrosion and included epoxy resins reinforced with fiberglass. For screening purposes,this preliminary work was done on commercial sheet Mg to which had been applied a dichromate finish. The coatings were tested for impact ...

... Sfrom the respective alloys and -receive these coating systems. ... measuring abrasion rates in protective coatings depends somewhat on ...

A report is made on laboratory tests to evaluate the erosion resistance of protective coatings for steel pipes. Erosion resistance is defined as the resistance to the wearing effect produced by abrasive particles such as would be encountered in steel pipe...

Abrasion-corrosion tests were conducted on two commonly Fe-Cr-C shielded metal arc welding (SMAW) hardfacings used in the sugar industry and an arc sprayed Fe-Cr-based coating. The tests were performed on a modified block-on-ring tester with the coatings sliding against compressed sugarcane fiber in the presence of ...

The authors investigate the diffusion coating of mainline petroleum pump surfaces with boron carbides and the subsequent hardness and abrasion resistance of the working surfaces based on the temperature of the treatment and the depth and concentration of the coating. Industrial testing on an NM 2500 x 230 ...

... and coatings, provided it has been exposed to the abrasive blast pattern ... be used to indicate presence of embedded metallic abrasives; these are ...

... abrasive are presented; and the capability of the grain geometry parameters to ... Subject Categories : SOLVENTS, CLEANERS AND ABRASIVES. ...

... Abstract : Coated abrasives grind at much lower ... How this affects grinding plate glass, marble ... both silicon carbide and diamond coated abrasive ...

... the military departments and agencies for Research Development Test and Evaluation ... Title : TESTING THE ABRASION RESISTANCE OF ...

... Accession Number : AD0297317. Title : LIGHT TRANSMITTANCE AND ABRASION RESISTANCE OF VARIOUS ALUMINIZED FABRICS. ...

... Title : ABRASIVE WEAR RESISTANCE OF POLYMERS USED IN ULTRASONIC FLAW INSPECTION. Corporate Author : ...

... Accession Number : AD0682112. Title : ABRASIVE WEAR RESISTANCE OF CONSTRUCTIONAL MATERIALS AND MACHINE PARTS,. ...

The effect of ion-plasma coatings made from high-hardness metal compounds on the erosion and corrosion resistance and the mechanical properties of alloy (substrate) + coating compositions is comprehensively studied. The effects of the thickness, composition, deposition conditions, and design of coatings based on ...

A study was conducted on hard, abrasion-resistant coatings obtained by the chemical vapor deposition of titanium carbonitrides. By using amines as a source of carbon and nitrogen, uniform and adherent coatings were obtained at a deposition temperature of ...

Because Duplex coatings containing silicone oils encapsulated with hard Thermoset wall materials exhibit poor abrasion resistance and a high degree of fouling, two microcapsule manufacturers have been identified for preparation of gel wall microencapsulat...

with High Solar Transmittance Sol-Gel coating based on alcoholic dilutions with SiO 2 nano particles high abrasion resistance Only glass: With AR-coating : ? = 92% ? > 96% Lul...

... Aluminum-bronze alloy and 18-8 stainless steel were ... 15 zinc-aluminum and pure zinc surfaces received ... were each sealed and coated with three ...

Sol-gel film coatings are considered as candidate abrasion resistant and anti-reflection coatings for photovoltaic concentrator solar cells. The studies described in this report concern the electrical breakdown potential as a function of processing in amm...

The report describes a process for electrodepositing lustreless conductive coatings on various alloys of aluminum, steel and copper. Initial work was plating over steel. The emphasis of the internal study was the plating of aluminum alloys. Alloys of alum...

A survey of abrasion resistant materials is presented. Sections are included on abrasion-resistant cast steels, abrasion-resistant wrought steels, alloy white irons, composite abrasion-resistant castings, grinding media, and development prospects. (JRD)

... zirconia abrasive. Surface-active materials such as barium, phosphate and sulfate ions were used in the coatings. The ...

High wear resistance Al-based composite coatings were prepared by laser cladding using powder mixtures of Al-12 wt. % Si+40 wt. % TiC and Al-40 wt. % Si+40 wt. % TiC. In the case of the coatings containing 12 % Si, the microstructure consists essentially of TiC particles dispersed in a matrix of primary ?-Al dendrites and ...

This work provides readers with practical advice on the selection of wear resistant materials for specific engineering purposes. Contents include: general review of wear; nature of wear; fretting; three body abrasion; gouging wear; low stress abrasion; erosion; corrosive wear; wear resistant surfaces and ...

Microstructure of WC reinforced Ni-based self-fluxing alloy composite coating sprayed and fused by oxy-acetylene flame was investigated by scanning electron microscopy and energy dispersive X-ray Spectrometry, X-ray diffraction, and transmission electron microscopy. The wear performance of the coating was studied by a MLS-225 wet sand rubber wheel ...

Abrasion and impact resistance are a prime requirement for many materials applications. To best protect plastic or metal-based composites from abrasion and impact, a surface coating that is simultaneously very hard and highly yielding is necessary. Both these requirements can be met by a dense pattern of emergent ...

In the area of antiwear coatings, carbide-containing coatings and oxide ceramic coatings are applied using different thermal spray processes in the form of individual layers. In many industries these coatings have become technically significant on components where wear and friction can cause critical damage in the ...

... Accession Number : AD0097103. Title : RESEARCH AND DEVELOPMENT OF ABRASION RESISTANT TREATMENTS FOR DACRON WEBBINGS. ...

Carbide layer was formed on the surface of Ti by heating in hydrocarbon atmosphere (benzene C6H6) at 1000-1400 degrees C using a high frequency induction heating method. Physical and mechanical properties of carbide-coated Ti were investigated to examine its potential as an abrasion-resistant implant material. Scanning electron microscopy (SEM) showed that ...

... 89264107 Material - Fabrics - Alumniized Light Trismittance Ana Abrasion Resistance ... Light Trunsmittance And Abrasion Resistance AbsP.tra-ct ...

Four North Sea pipelines, in two bundles, were internally coated after fabrication using the in situ technique of multiple passes of a slug of paint locked between two pigs. One coat was applied to 9 km of pipeline in 30 min. The entire pipeline was heated by electrical resistance. Extensive laboratory and field testing showed the ...

The application of dry milling technology has completely eliminated the pollution of cutting fluid in machining. However, dry milling sets very high requirements on milling process and milling cutters, which has become the bottleneck in the popularization of dry milling technology. This research on the abrasion mechanism of TiAlN coated cutters for ...

This report is of a test of the pollution prevention capabilities of a polyamide-epoxy-silicone modified paint coating. It was analyzed for volatile organic emissions, hazardous air pollutants, film thickness, gloss, appearance, MEK rub resistance, abrasion resistance and other ...

This study investigated the effect of board type (unmodified vs. MAPE modified) on the surface quality and thickness swelling-water absorption properties of recycled high density polyethylene (HDPE) based wood plastic composites. Additionally, two commercially available coatings (cellulosic coating and polyurethane lacquer coating) ...

This study investigated the effect of board type (unmodified vs. MAPE modified) on the surface quality and thickness swelling-water absorption properties of recycled high density polyethylene (HDPE) based wood plastic composites. Additionally, two commercially available coatings (cellulosic coating and polyurethane lacquer coating) ...

We studied the resistance of the coatings to abrasive and unlubricated sliding wear of 40 WC/Co coatings applied by high velocity oxygen fuel (HVOF), high-energy plasma spray (HEPS), and high velocity plasma spray (HVPS), using commercial and nanostructured experimental powders. The hardness of the ...

The article deals with the evaluation of abrasive wear resistance and adhesive strength of thermally sprayed coatings. The main attention was paid to differences between low- and high-stress abrasive conditions of the measuring. Conclusions include the evaluation of specific properties of the WC-Co and the ...

These proceedings collect papers on lasers. Topics include: design requirements for high power lasers, modular optics, free-electron laser photoelectric injectors, liquid crystal optics for laser systems, nonlinear optical properties, and abrasion-resistant porous silica antireflective coatings.

The effects of Ion Assisted Deposition (IAD) of thin film coatings is reported. Increased durability and abrasion resistance were obtained for films deposited at room temperature when IAD was employed, and the adhesion of films deposited onto plastic subs...

The Bureau of Mines reviewed the chemical vapor deposition (CVD) literature of the group IVB, VB, and VIB elements. This review was used in the Bureau's research to provide erosion-, abrasion-, and corrosion-resistant coatings for valve components used in...

Wear-resistant hard-alloy coatings (facings) of high-carbon iron-based alloys, with a composition close to that of tool steels, are used to increase the abrasive-wear resistance of working friction surfaces of products. The authors aim here is to study the mechanical properties of the deposited metal after ...