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preweld preparation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... composition account for numerous arc-weld failures. Other reasons for weldment failure include: Inappropriate joint design Improper weld size Unfavorable heat input Improper preweld and postweld heating Improper fit-up Incorrect parent (base) material composition Alloy segregation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
... deformation. The major advantages of the diffusion bonding process are: It allows the preparation of stress-relieved and, in many cases, primarily homogeneous joints on very different materials. It allows the welding of material combinations that cannot be joined by fusion welding. This applies...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... information on brazing processes, atmospheres, filler metals, and surface preparation procedures. It also includes examples of nickel-base welded components for aerospace use. brazing fusion welding solid-state welding superalloys transient liquid phase bonding Introduction General Aspects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930311
EISBN: 978-1-62708-359-1
... corrosion of the weld metal. This behavior is not true for the base metal, where retained beta is finely divided and discontinuous, and corrosive attack is slight. Filler metal with low iron content should be used, and all sources of iron contamination during preparation and welding should be avoided...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930365
EISBN: 978-1-62708-359-1
... thickness. Sensitive to cracking and require preweld and postweld heat treatment and selection of most suitable filler material. Solid solution strengthened alloys are more easily welded. Usual range of temperature, 1200–1400 °C. Limits the selection of filler materials and possible pre- and postweld...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
... levels to elevated temperatures when proper precautions are taken and correct preparations are made. Most welding techniques are available for titanium. Titanium alloys can be fusion and solid-state welded, as well as brazed. No fluxes are used when fusion or solid-state welding titanium and its alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.9781627083591
EISBN: 978-1-62708-359-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820177
EISBN: 978-1-62708-339-3
... in a variety of type 304 stainless steel pipe sizes using strain-gage and x-ray methods. Pipe girth welds were prepared using field welding procedures. A plot of peak axial stresses for welded pipes with diameters of 100, 254, and 660 mm (4, 10, and 26 in.) is shown in Fig. 10 . Axial stresses are responsible...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310201
EISBN: 978-1-62708-286-0
... filler metal (e.g., 2209 with 2205 base metal) should be used. Thus, joint preparation must be done correctly and not left to the welder to correct using time-consuming remedial procedures. Duplex stainless steels, because of their moderate thermal expansion and higher thermal conductivity, can...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170290
EISBN: 978-1-62708-297-6
...-strengthened materials, such additions are limited to very stable oxides, such as yttria, alumina, or, less frequently, thoria. These oxides, which are prepared by calcination of oxalate precipitates, consist of crystallites of about 50 nm agglomerated into pseudomorphs of about 1 μm. The only restriction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820077
EISBN: 978-1-62708-339-3
..., and corrosion resistance. Fig. 4 Cross sections of partial penetration gas-tungsten arc welds in high-purity Fe-28Cr-2Mo ferritic stainless steel. (a) Weld in warm-rolled sheet. (b) Weld in sheet which was preweld annealed at 1040 °C (1900 °F) for 60 min. Etched in 40% nitric acid electroetch. 11...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930329
EISBN: 978-1-62708-359-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220475
EISBN: 978-1-62708-259-4
.... This results in significant increase in the tensile yield and ultimate strengths. Welding reinforcing steels is becoming more relevant. Thus, weldability is very important. Welding is important not only during construction, as there has also been a significant increase in the use of prewelded reinforced bar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.9781627082679
EISBN: 978-1-62708-267-9
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310233
EISBN: 978-1-62708-326-3
... and contaminated air, seawater and salt spray, or other hostile environments. These alloys are based on discoveries made during studies to improve the life of heavy artillery barrels as the European nations prepared for World War I. The years from 1900 to 1915 were a time of great advances in the science...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
...). Repair of service-run vanes is routinely used to maximize their usefulness. Most of the alloys used are repairable by welding, although the difficulty increases, and the scope of repair becomes more limited, with the strength of the alloy. Occasionally a preweld heat treatment is necessary to return...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.9781627082976
EISBN: 978-1-62708-297-6