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Repair welding

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... casting, investment casting, hot isostatic pressing, weld repair, and heat treatment -- along with related equipment, process challenges, and achievable properties and microstructures. It also explains how titanium parts are produced from powders and how the different methods compare with each other...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... Welding Solid-State Welding Pressure Welding Friction Stir Welding Weld Defects Dissimilar-Metal Joints Quality Control Repair Welding Stress Relieving Mechanical Properties Chemical and Metallurgical Characteristics Surface Preparation Shielding Induction Brazing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... or repair jobs. Usually not economical on standard thick welds or on repetitive jobs that can be mechanized. Relatively versatile. Equipment more costly, complex, and less portable than SMAW. Easily mechanized. A clean process with higher deposition rates and efficiencies than SMAW. Relatively versatile...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270189
EISBN: 978-1-62708-301-0
... and fractured the cantilever portion of the vane ( Fig. CH52.1 ). This fracture surface showed clear beach marks, indicative of delayed failure. Further, it was observed on the same runner, the vane diametrically opposite the fractured vane had developed a similar crack, about 3 in. in length, which was repair...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
... of Titanium and Its Alloys Plasma Arc Welding Plasma Arc Welding of Titanium and Its Alloys Procedures for Repair of Arc Welds Electron Beam Welding Electron Beam Welding of Titanium and Its Alloys Laser Beam Welding Laser Beam Welding of Titanium and Its Alloys Resistance Spot Welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460277
EISBN: 978-1-62708-285-3
... Widener C. , “ Repair and Refurbishment Lessons Learned Using Cold Spray ,” https://www.google.com 11.15 “ Cold Spray Enables Welding of Crack-Sensitive Alloys, Case Study 521 ,” TWI Ltd., http://www.twi-global.com/news-events/case-studies 11.16 Gabriel C.B. , Trexler M...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... of the inspection interval. (a) Case 1 of Fig. 11 . (b) Case 2 of Fig. 11 . Source: Ref 1 Fig. 6 Catastrophic brittle fracture of a 660 cm (260 in.) diameter solid propellant rocket motor case made of 18% Ni, grade 250, maraging steel. The case fractured at a repaired weld imperfection during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
.... Gas tungsten arc welding or electron beam welding can be used to repair weld cobalt-base and solution-hardened nickel-base superalloys for nonrotating components. IN-738LC precipitation-hardened nickel-base superalloy has been welded successfully for land-based gas turbine applications but requires...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... in the upper burner area, horizontal or slanted tubes, and the heat-transfer regions at or adjacent to the welds are prone to hydrogen damage. Hydrogen attack or hydrogen damage is different from hydrogen embrittlement. Hydrogen attack is a high-pressure, high-temperature service-related failure, whereas...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... ground out and rewelded. The repair welds reportedly cracked after only a few days in service. A visual examination revealed that neither the original welds nor the repair welds penetrated through to the inside of the pipe. The cracking consisted primarily of circumferential cracks down the center...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250257
EISBN: 978-1-62708-345-4
... hardened region of tooth. Large ferrite indicates that complete austenitization was not obtained during heat treating. 2% nital, original magnification at 200× When gears fail, there may be incentive to repair or replace failed components quickly and return the gear system to service. However...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630081
EISBN: 978-1-62708-270-9
... of the tube is deformed and torn in a ductile manner. Fig. 8 (a) Catastrophic brittle fracture of a 260 in. diam solid-propellant rocket motor case made of 18% Ni, grade 250, maraging steel. The case fractured at a repaired weld imperfection during a hydrostatic pressure test. Fracture occurred...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... developed numerous additional specifications related to the joining of superalloys. These specifications may be quite general or very specific, often describing in detail the fabrication or weld repair of an individual component. While there is a continuing trend to standardization of specifications, unique...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720021
EISBN: 978-1-62708-305-8
... of natural stress concentration? Are the cracks associated with welding, for either fabrication or repair? Are the cracks associated in any way with evidence of corrosion, e.g., corrosion product, corrosion pitting? If cracking is observed during the inspection of raw materials or in materials in process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820177
EISBN: 978-1-62708-339-3
... Research Institute , 1980 23. Flache H. and Ettemeyer R. , Piping Repair Case Study at KRB Unit A , Trans. Am. Nucl. Soc. , Vol 35 , 1980 , p 487 24. Hull F.C. , Effect of Delta Ferrite on the Hot Cracking of Stainless Steel , Weld. J. , Vol 46 ( No. 91 ), 1967 , p...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270005
EISBN: 978-1-62708-301-0
... of the prosthesis and failure analysis, it was found that a crack had nucleated on a microweld on the surface of the implant and propagated by fatigue. It was found that the prosthesis had been made by an ordinary casting process and the surface porosity was covered by repair welding. Defective repair welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090349
EISBN: 978-1-62708-266-2
... BWR pipe repair and replacement operations. Intergranular SCC of weldments in austenitic stainless steel BWR piping systems is currently under control. Weld residual stresses, both surface and through-wall, were measured in a variety of type 304 stainless steel pipe sizes using strain-gage...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120039
EISBN: 978-1-62708-269-3
... Casting Technology Design Considerations Effect of Weld Repair Hot Isostatic Pressing Heat Treatment Cast Titanium Applications Cost Comparisons Mechanical Properties Casting Concerns Casting Processes There are a number of broad guidelines to be followed when designing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
..., and repair welding them, then joining the segments by welding, it has been indicated that cast aluminide technology can be extended to more massive sections of commercial and military gas turbines. A number of gas turbine engine components have been identified as potential applications for the gamma...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
... processes such as quenching or normalizing or during fabrication or repair welding, may result in changes in hardness, hardness gradients, or localized hard zones. Existing refinery experience indicates that if hardness values exceed 200 HB, carbon steel may be subject to cracking in aqueous alkaline...