... Accession Number : ADD101152. Title : ATMOSPHERIC CORROSION OF BUTT WELDED JOINTS,. Corporate Author : ...
DTIC Science & Technology
... Title : RESIDUAL STRESS IN BUTT WELDED 5083 ALUMINUM ALLOY-- STUDIES ON RESIDUAL STRESSES IN WELDED JOINTS OF ...
... Accession Number : AD0194806. Title : EFFECT OF DISCONTINUITIES IN FUSION WELDED BUTT JOINTS. Corporate Author : ...
... Accession Number : ADD115243. Title : BRAZING OF HASTELLOY X WITH WIDE CLEARANCE BUTT JOINTS,. Corporate Author : ...
ITER Central Solenoid uses butt joints for connecting the pancakes in the CS module. The principles of the butt joining of the CICC were developed by the JAPT during CSMC project. The difference between the CSMC butt joint and the CS butt joint is that ...
Energy Citations Database
... Accession Number : ADA953588. Title : Welding Test 238. Scalloped Grooved Butt Joints in Special Treatment Steel. Corporate ...
... Title : Improvement of Ultrasonic Characteristics in Butt-Welded Joint of Austenitic Stainless Steel Using Magnetic Stirring Method,. ...
... Accession Number : ADD122247. Title : Hardmetal Interlayered Butt-Joints Made by Diffusion Bonding and Pressure Bonding,. Corporate Author : ...
... Accession Number : ADD339657. Title : Defects Discovering in the Welded Electroslag Butt Joints Before and After Heat Treatment,. ...
... Accession Number : ADA068254. Title : Brazing of Hastelloy X with Wide Clearance Butt Joints. Descriptive Note : Final rept. Jan 77-Jul 78,. ...
...jacket must be a fusion double welded butt joint. (b) The closure for openings...shell joints, may be a single welded butt joint using a backing strip on the inside of the joint. (c) Each joint must be welded in accordance with the...
Code of Federal Regulations, 2010
... Title : EFFECT OF LOW TEMPERATURE QUENCHING CONDITIONS ON THE FATIGUE STRENGTH IMPROVEMENT OF BUTT WELDED JOINT,. ...
The Serpentine end-matched (Sem) joint is a precisely machined butt joint with a sine wave shape. The joint is not readily visible to the eye and performs ... ...
NBII National Biological Information Infrastructure
... Accession Number : ADD125836. Title : The Tensile Strength of Stainless Steel Wire and Rod Butt Joints as a Function of the Brazing Alloy,. ...
... Title : Special Features of Eddy Current Inspection of Butt Welded Joints in Containers of Chemical Plant Made of Austenitic Steels,. ...
... full penetration butt-welded joints in ... originating at internal weld flaws ... Descriptors : , (*STEEL, WELDS), (*WELDS, FATIGUE(MECHANICS)), METAL ...
The use of ultrasonic testing for insuring quality butt welded joints is discussed. The assurance of the quality of butt welded joints is presently obtained by radiographic inspection on all California Division of Highways fabricated steel structures. An ...
National Technical Information Service (NTIS)
The validation of a proposed fatigue life prediction methodology was sought through the use of aluminum butt and scarf joint and graphite/epoxy butt joint specimens in a constant amplitude fatigue environment. The structural properties of the HYSOL 9313 a...
Wide clearance butt joints of Hastelloy X base metal were vacuum furnace brazed by first sintering a nickel base powder of high melting point (sinter filler metal) in the joint. This was followed by filling the powder interstices with a nickel base brazin...
A butt joint method of HTc superconductor has been investigated for a concept of remountable superconducting (SC) magnets infusion reactors. Through numerical analysis of the present study, it is clarified that the degradation of SC tape near the surface had influences on the joint performance. This degradation of SC tape gives the ...
... Title : Properties of Flash Butt Welded Joints of Ti-6Al-4V Alloy Bar,. Corporate Author : DAIDO STEEL CO LTD NAGOYA (JAPAN)*. ...
... Title : THE TRANSVERSE DEFORMATIONS DURING THE ELECTRON-BEAM AND ARGON TIG WELDING OF BUTT JOINTS IN THE AMG(6 ...
... Accession Number : ADD303729. Title : THE RADIOGRAPHIC EXAMINATION OF FUSION WELDED BUTT JOINTS IN STEEL. Corporate Author : ...
... SURFACE TO SURFACE MISSILES, RESISTANCE WELDING, PHOTOMICROGRAPHY, INERT GAS WELDING, PRESSURE, ELECTRIC ...
Additional Interface Corner Toughness Data for an Adhesively-Bonded Butt Joint Abstract. Over a period of 15 months, five sets of adhesively-bonded butt joints were fabricated and tested. This previously unreported data is used to assess the variability o...
... stresses, etc., which does not make it possible to evaluate the composite material (weld joint of the metal with the anticorrosion surfacing) from the ...
... methodology through the use of aluminum butt and scarf joint and graphite/epoxy structural properties of a HYSOL 9313 adhesive system were ...
... Abstract : An investigation was made to determine the fatigue and static properties of butt-welded joints in A-242 steel and to compare, quantitatively ...
of Brazed Joints in Metal-Composite System. M. Singh and G.N. Morscher ..... Mechanical Testing of Brazed Joints. Tube Tensile Test. Butt Strap Tensile Test ...
NASA Website
Solid state welding of a butt joint is described. It is accomplished by fusion welding the peripheral surfaces to form a seal, autogentically cleaning the faying or mating surfaces of the joint, and heating to the diffusion welding temperature in air.
... The authors tested argon arc welding of an aluminum ... Butt welds made in this manner on material ... 1. Configuration of a weld joint of an aluminum ...
The weld specimenis modeledusing the finite-elementcodeABAQUS. ...... Butt-weld joints are most commonly designed into pressure vessc.lswhich then become as ...
An effective, formed-in-place joint seal will respond with elastic or viscoelastic behavior over a reasonable design life to any large movement of the joint without adhesive or cohesive failure. For a given joint movement, seals with lower stiffness are m...
The report presents the results of an analytical study of hybrid steel butt joints of A36, A440 and A514 steel. The joints were fastened by either A325 or A490 bolts. The studies were designed to determine the effect of various variables on the joint stre...
...Nonacceptable joints. Single welded butt joints with backing ring left in place...nondestructive testing of circumferentially welded joints must comply with § 56.95-10...and nondestructive testing of welded joints must comply with §...
... PIOO-11O18-J 2.4 WELDING PROCEDURE P80 ... FOR AXIAL LOADING OF WELDED JOINTS "3.1 TYPICAL ... OF TRANSVERSE BUTT WELD IN 3/4 ...
The main objective of this project was the development of welding techniques and procedures to economically weld fabricate pipe. X-ray quality full penetration square butt weld joints were expected. Significant cost savings can be achieved through the red...
Mechanical property data are reported for Epon 828/T403, an amine-cured epoxy adhesive. Data include compression modulus, compression yield strength and compression stress relaxation as a function of stress level, strain rate, and temperature and Mode I fracture toughness as a function of temperature. This data was generated to support a study investigating how temperature effects ...
DOE Information Bridge
... Title : Welding Test Number 184 and Welding Test Number 185, An Investigation to Determine the Physical Properties of Welded STS Butt Joints. ...
... Corporate Author : Personal Author(s) : KOLB ,VON KLAUS ; WOLFEL,MARTIN. Report Date : MAY 1976. Pagination or Media Count : 4. ...
... ARCS,. Corporate Author : Personal Author(s) : Zhukov,MB. Report Date : OCT 1976. Pagination or Media Count : 3. Abstract ...
An airfoil configuration and manufacturing process is described for reducing or eliminating air turbulence created by surface irregularities in the metal due to rivets, wrinkles, butt-joints, and the like. An article adapted for relative motion with a flu...
An airfoil configuration and manufacturing process was designed to reduce or eliminate air turbulence created by surface irregularities in metal due to rivets, wrinkles, and butt-joints. The metal surface of an airfoil was cleaned, then coated with a thin...
... Title : Spot Welding of Armor: A Study of Ballistic Properties and Metallurgical Characteristics of Butt Strap Joints in 1/4 in Face Hardened and 1/4 in ...
... sacrificing the reliability of welded joints, the Air Force has been evaluating various high speed or high deposition rate inert gas welding processes. ...
... LACK OF PENETRATION IN ALUMINUM FUSION WELDS,. ... in butt joints in aluminum alloys fusion welded from both ... density variations in weld areas ...
... INSPECTION OF FUSION WELDED BUTT JOINTS FOR STEEL PLATES UP TO 50 MM (2 IN.) THICK - ISO RECOMMENDATION ISO R 1106. ...
... Next is a specific examination of the welding phenomena occurring at tack weld sites in steel butt joints. Experimentally, tack welds are shown to be ...
... Corporate Author : Personal Author(s) : Shirahata, Hiromi ; Miki, Chitoshi ; Shiozaki, Masakatsu. Report Date : 1997. Pagination or Media Count : 8. ...
... Department of Defense (DoD) Issuances (current and cancelled), Joint Staff and other US Military (ie, Army, Navy, Air Force) service publications ...
... Title : Holographic Interferometry Used to Investigate the Deformation of Butt Welded Joints in Heat Resistant 15Kh2MFA Steel When Heated,. ...
... illustrates how the alternating of passes from one side of a double-vee butt joint to the other side can be used to minimize angular distortion. ...
... Title : FATIGUE OF IRON BASE ALLOYS HY-80 STEEL CAST TEES BUTT WELDED TO ROLLED SECTION SINGLE AND DOUBLE WELD JOINT ...
... of 5083 aluminum alloy plates containing transverse welded butt joints ... on the toe regions of welds may increase ... in the notch effect at weld toes due ...
... ferritic weld specimens, from -75 F to -110 F. Descriptors : *Armor plate, *Electrodes, *Butt welding, *Welded joints, Toughness, Austenite, Welds, ...
... in butt joints that are CO (sub 2) laser-welded. ... 805 watts, and the resultant weld bead profile ... equations were derived for laser-beam spinning speed ...
... joint coupling. The latter scheme provides several advantages as compared to the vertical integration. Firstly, the lateral ...
... Title : An Elastic -Plastic Fracture Mechanics Analysis of Weld -Tow Surface Cracks in Fillet Welded T-Butt Joint,. Corporate Author : ...
... Title : A Study on Arc Sensor Algorithm for Weld Seam Tracking in Gas Metal Arc Welding of Butt Joints. Descriptive Note : Journal article,. ...
... Warm Springs Reservation of Oregon (CTWSRO), who are joint licensees (Licensees). The license requires fish passage over the Pelton Round Butte Project and incorporates the terms of a S...
Wide-clearance butt joints of Hastelloy X base metal are vacuum furnace brazed by sintering a nickel-base powder of high melting point (sinter filler metal) in the joint, followed by filling the powder interstices with a nickel-base brazing filler metal and a diffusion treatment. A technique is developed for brazing high-quality ...
Butt joint tool vacuum vessel has been built at C&H Enterprise, Inc. Leak checking and loading tests were taken place at the factory. The conductor could not be pumped down better than to 500 mtorr and therefore we could not check the sealing mechanism of the seal around conductor. But the rest of the vessel, including the flat gasket, one of the ...
The results of axial fatigue tests of transverse butt welded joints in HY-80 steel containing internal defects are reported. The tests were conducted on 3/4 in. and 1-1/2 in. thick material under stress cycles of zero-to-tension and complete reversal. The...
: Natural gas Pressure: 50 pounds per square inch, gauge Failure Type: Butt-fusion joint leak Component was directly over the failed pipe on the front lawn. After the explosion, National Fuel excavated the front lawn. The excavation revealed a leaking butt-fusion joint in a 2-inch-diameter plastic main line pipe
E-print Network
Fatigue tests were carried out on tube to node butt welds under axial loads. Results indicate that the joints can be treated as Class F in the BS 5400 fatigue design rules for welded joints. Pressure drop and leak detection systems for crack detection dur...
Over a period of 15 months, five sets of adhesively-bonded butt joints were fabricated and tested. This previously unreported data is used to assess the variability of measured interface corner toughness values, K{sub ac}, as well as the dependence of K{sub ac} on surface preparation. A correlation between K{sub ac} and the size of the adhesive failure ...
Multipass fillet welding in different welding positions was studied. The effects of gaps and position errors of the welding head were evaluated. Weld starting and crater filling procedures were tested. The welding of T-joints and butt joints were compared...
A study on evaluation of weld defects in aluminium butt joints was made in a comparative way through the radiographic and ultrasonic testing. This work was conducted with pipes 5 IPS (6,35 mm thickness) of 6063 aluminium alloy, circumferential TIG welded,...
Butt-weld joints are most commonly designed into pressure vessels which then become as reliable as the weakest increment in the weld chain. In practice, weld material properties are determined from tensile test specimen and provided to the stress analyst ...
The welding of butt joints in 1100, 6061, 7075 aluminum by the hot pressure welding process with a vacuum atmosphere has been studied. Solid cylinders were welded in a closed die. The tensile strength joint efficiency of 1100 aluminum welds was 100% at a ...
Solid state welding a butt joint by fusion welding the peripheral surfaces to form a seal is described along with, autogenetically cleaning the faying or mating surfaces of the joint by heating the abutting surfaces to 1,200 C and heating to the diffusion...
The diffusion brazing of butt joints in 6061 and 7075 aluminum alloys in a vacuum atmosphere with mechanical pressure perpendicular to the joint was investigated. Filler metals included silver, gold, copper, magnesium, zinc, Al12Si and Ag28Cu in the form ...
... Radiographic and ultrasonic examination of welded joints must be as described in PW-11 of section I...headers, and tubes containing only circumferentially welded butt joints, must be nondestructively examined as...
The authors describe work carried out with the object of introducing the method of welding along a narrow gap into the industry producing petrochemical machinery in connection with equipment made of widely used low-alloy steels. For testing the welding technology in narrow gaps of longitudinal and annular butt joints, a welding stand was designed and built ...
The resistance of superconducting joints within MICE coils is an important issue particularly for the coupling coils. The MICE tracker solenoids have only two superconducting joints in the three spectrometer set (end coil 1, the center coil and end coil 2). The AFC magnets may have only a single joint within the coil. The coupling ...
A method is described for the butt-welding of a relatively heavy mass to a relatively small mass such as a thin-wall tube. In butt-welding heat is normally applied at the joint between the two pieces which are butt-welded together. The application of heat at the joint results in ...
DOEpatents
The impact tensile properties of structural epoxy adhesive butt joints are determined with a modified version of the split Hopkinson pressure bar using a hat-shaped joint specimen. A typical two-component structural epoxy adhesive and two different adherend materials (Al alloy 7075-T6 and 99% pure titanium) are used in the adhesion ...
NASA Astrophysics Data System (ADS)
Explicit piping design procedures are not provided in the ASME Code for structural evaluation of ovalization and fabrication effects at the butt-welded end of an elbow. This paper presents a conservative semi-analytical procedure that can be used with elastic as well as inelastic analysis to evaluate an elbow cross section welded to a straight pipe. The concept of carry-over ...
The weldability of W-Cu composite sheet was investigated using simulated and welded joints. The welded joints were produced in a vacuum hot press. Tensile test results showed that simulated joints can provide strength and failure mode data which can be us...
The topography and morphology of hot cracks in welded joints of a high temperature nickel alloy in the nickel chromium molybdenum system was refined. The crack resistance of welded joints in an experimental Hastelloy N alloy was studied. Butt joints of ri...
The mechanical properties of wide-clearance brazed butt joints in ALLOY 713C are reported. The joints vary in clearance from 10 to 70 mils and are made by a two-step technique. The joint is first filled with a powdered metal which has a relatively high me...
...2010-10-01 false Piping joints: Welded and screwed couplings. 154...Systems § 154.524 Piping joints: Welded and screwed couplings. Pipe...the following: (a) A butt welded joint with complete penetration at...
Studies at the Pacific Northwest National Laboratory (PNNL) in Richland, Washington, are being conducted to evaluate nondestructive examinations (NDE) coupled with mechanical testing of butt fusion joints in high density polyethylene (HDPE) pipe for assessing lack of fusion. The work provides information to the United States Nuclear Regulatory Commission ...
Studies at the Pacific Northwest National Laboratory in Richland, Washington, are being conducted to evaluate nondestructive examination approaches for inspecting butt fusion joints in high density polyethylene (HDPE) pipe for lack of fusion (LOF). The work provides information to the United States Nuclear Regulatory Commission on the effectiveness and ...
The ITER Central Solenoid (CS) requires compact and reliable joints for its Cable-in-Conduit Conductor (CICC). The baseline design is a diffusion bonded butt joint. In such a joint the mating cables are compacted to a very low void fraction in a copper sleeve and then heat treated. After the heat treatment the ends ...
A theory of the effect of geometry on the mechanical properties of a butt weld joint is worked out based upon the soft interlayer weld model. Tensile tests of 45 TIG butt welds and 6 EB beads-on-plate in 1/4-in. 2219-T87 aluminum plate made under a wide r...
report, find a full model "MLR" estimate of the mean strength of butt/pine joints. Then use the parameter estimates part of the report to find an estimate of the average of the 3 butt means, " $ "" "# "$ "�a b in turn should be the average of the row sample means. Use the JMP "custom test"$ " facility to find
An evaluation of the axial fatigue behavior of plain plates and full penetration butt-welded joints in HY-130(T) steel is presented. Fatigue tests were conducted with sound weldments and weldments containing internal defects including slag, porosity and l...
An ultrasonic inspection device has been developed which can be used to identify defective butt fusion joints in polyethylene gas pipelines. Three gas utilities, Columbia Gas of Ohio, Consumers' Gas, and Wisconsin Gas, prepared samples of both good and ba...
This revolutionary, solid state welding process has the potential to change ... joint efficiency and process robustness, as well as a greater range of applicable ... distortion welds are achieved with relatively low costs, use simple energy efficient ... A simple butt joining weld configuration can be used with no ...
In this paper, a theoretical analysis of the effect of residual stresses on the fatigue behavior of welded butt joints was developed by using linear elastic fracture mechanics (LEFM), superposition principle and finite element approaches. Various configurations of residual stresses in welded butt joints were ...
Because of the possibility of reducing welding costs without sacrificing the reliability of welded joints, the Air Force has been evaluating various high speed or high deposition rate inert gas welding processes. A brief investigation was conducted to det...
Contents: Lowering the residual stresses in weld joints of forge-welded vessels by hydrocompression; Contact-reactive ceramic-metal brazing; Butt welding of titanium alloy VT5-1 rings; Vacuum-diffusion welding unit.
Feb 15, 2007... sand dunes and buttes among a background of light-toned (tan-colored) bands and ... Supplement 5shows a high-density population of joints. NASA's Jet Propulsion Laboratory, a division of the California Institute of ...
of stress-corrosion cracking in the heat- affected zone of a circumferential butt joint in. Type. 316 stainless steel. (specimen ...
Slotted Bolted Connections (SBCs) are modified bolted, butt jointed, shear splice connections. The modification consists primarily of slotting or elongating the holes in one of the plates of the connection. These connections dissipate energy by means of f...
For long installations, vacuum jacketed piping often comes in 40 foot sections that are butt welded together in the field. A short can is then welded over the bare pipe connection to allow for insulation to be protected from the environment. Traditionally...
Feb 15, 2007... sand dunes and buttes among a background of light-toned (tan-colored) bands and ... Supplement 5 shows a high-density population of joints. NASA's Jet Propulsion Laboratory, a division of the California Institute of ...
The results of both analytical and experimental studies of the behavior of constructional alloy (A514) butt splices which use A490 fasteners are reported. Based on the results of previous theoretical work, the parameters that might be expected to affect t...
...85-10 for any of the materials to be welded or the temperature established in...Local postheat treatment of butt welded joints must be performed on a circumferential... Local postheat treatment of welded branch connections must be...
...In welded wall construction employing stub and welded wall panels which are field welded, approximately 10 percent of the field welds... (d) Nondestructive testing of the butt welded joints shall meet the requirements of §...
at about one spark per eight inch weld ( 40kV, 10 mA and 10 in/min). Operating in this regime, a sheared butt joint showed a few sparks. Intentionally ...
This report summarizes a literature survey on the detection of imcomplete penetration in butt joints in aluminum .... These methods involve the use of penetrants, anodic electroluminescence, radio- .... Welds are machined to uniform thickness .... of investigation. Since many structures undergo tensile loading ...
Butt joints between materials having different coefficients of thermal expansion are prepared having a reduced probability of failure of stress facture. This is accomplished by narrowing/tapering the material having the lower coefficient of thermal expansion in a direction away from the joint interface and not joining the ...
...class Longitudinal joint factor (E) ASTM...Electric resistance welded 1.00 Furnace...00 Submerged arc welded 1.00 Furnace butt welded .60 Other ...type of longitudinal joint cannot be...
...examination. (c) A butt welded joint with one plate edge...used for circumferential joints of Class II and Class...the ASME Code, and are welded from one side only...by welding the minimum joint requirements shall be...
The tensile strength and energy absorption for dissimilar metal friction welds between 6061 Al alloy and Type 304 stainless steel at high rates of loading are determined using the split Hopkinson bar. Cylindrical tensile specimens machined from as-welded butt joints of 13 mm in diameter are used in both static and impact tests. Friction welding is ...
This student learning guide contains 30 modules for completing a course in welding. It is designed especially for use in secondary schools in Palm Beach County, Florida. Each module covers one task, and consists of a purpose, performance objective, enabling objectives, learning activities keyed to resources, information sheets, student self-check with answer key, performance test, instructional ...
ERIC Educational Resources Information Center