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dissimilar metal joining

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0048808
EISBN: 978-1-62708-228-0
... “Hardfacing, Weld Cladding, and Dissimilar Metal Joining” in Welding, Brazing, and Soldering , Volume 6 of the ASM Handbook ). The precipitates followed the austenitic regions into the duplex structure and eventually disappeared. They undoubtedly contributed to the cracking that occurred...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001749
EISBN: 978-1-62708-215-0
... to make the connection. Use of the adapter which joined with a brass nipple, created an unacceptable dissimilar metal joint. The steel also provided a source for the generation of sparks. Loctite, a hydrocarbon sealant that is highly flammable and explosive in contact with pure oxygen, had been used...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001311
EISBN: 978-1-62708-215-0
... stainless steel tubes. Visual and stereoscopic examination revealed three types of corrosion on the inside surfaces of the tubes: uniform attack, deeper localized corrosive attack, and accelerated uniform attack. Metallographic analysis indicated that pronounced dissimilar-metal corrosion had occurred...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0089730
EISBN: 978-1-62708-233-4
... elements in areas adjacent to that area. In addition, the intersection of the two welds contained cracks similar in appearance to those normally formed when variations in thermal expansion and contraction are encountered when welding dissimilar metals. A microhardness traverse across the weld area...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001054
EISBN: 978-1-62708-214-3
... of joining dissimilar metals that are difficult or impossible to join by common fusion processes because of their physical properties and geometrical configurations. The process for joining uranium to another metal (such as stainless steel or beryllium) involves cleaning the surfaces to be joined by ion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0091362
EISBN: 978-1-62708-220-4
..., it is important to remember that corrosion resistance is not the only criterion when evaluating these new ferritic stainless steels. Welds must also be tough and ductile. Lastly, dissimilar weld filler metals can be successfully used. To avoid premature failure, the dissimilar combination should be corrosion...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... dissimilar metals Ability to join porous metal components Ability to fabricate large assemblies in a stress-free condition Ability to preserve special metallurgical characteristics of metals Ability to join fiber- and dispersion-strengthened composites Capability for precision production...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001030
EISBN: 978-1-62708-214-3
... propagated by stress-corrosion cracking. The cause of cracking was twofold: use of interference-fit fasteners exposed to moisture intrusion from a marine environment and poor hole quality. Failure was intensified by dissimilar-metal contact in the presence of weak acidic electrolyte (dissociated MoS2...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001352
EISBN: 978-1-62708-215-0
... Cracks(fracturing) Dissimilar metals, welding Weld defects Welded joints Welding parameters AFNOR Z30C13 Joining-related failures Background High-Pressure ball valves made from AFNOR Z30C13 martensitic stainless steel failed repeatedly while operating in a chemical plant. The ball valve...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001570
EISBN: 978-1-62708-220-4
... if the temperature is sufficiently high. The formation of titanium hydrides becomes significant as the hydrogen content increases above approximately 20 ppm 7 . The hydriding of titanium occurs at higher rates with increasingly higher titanium-dissimilar metal area ratio in the galvanic couple 9...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001648
EISBN: 978-1-62708-234-1
... in a freshwater environment alone, and the system contained no obvious dissimilar metal couples. An effect of biological organisms on the process of corrosion is to create a local environment that is conducive to corrosion. The operative corrosion mechanism is dependent on the type of organism involved...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... at the weld toe Cracks—hot or cold, longitudinal or transverse, crater and at weld toe Gas porosity Arc strike Spatter Backing piece left on: failure to remove material placed at the root of a weld joint to support molten weld metal Subsurface features that are causes for rejection...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... are much more susceptible as the film breaks down and creates an active metal area. Galvanic Corrosion When dissimilar metals are in contact or are electrically connected together, galvanic corrosion results because of the electrical potential existing between the two metals. Current thus produced...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
... or rejection in new construction inspection are also discussed. The article discusses the types of base metal cracks and metallurgical weld cracking. The article discusses the processes involved in the analysis of in-service weld failures. It briefly reviews the general types of process-related discontinuities...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... that, in the presence of oxygen, form protective passive surface films are much more susceptible, because the film breaks down and creates an active metal area. Galvanic Corrosion When dissimilar metals are in contact or are electrically connected, galvanic corrosion results because of the electrical potential...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
.... The piping system was completely surveyed to ensure that only the specified metal was used. Replacements were made when the wrong metal was found. Fig. 1 A specimen from a low-carbon steel nipple showing fissuring at grain boundaries (top) caused by hydrogen attack. 80× A common experience...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... treated with copper preservatives can be corrosive to certain nails. Aluminum cladding can also be at risk. (g) Contact of two metals through a fluid trap can be avoided by using a drain, collection tray, or a deflector. Where dissimilar materials are to be joined, it is advisable to use a more...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
.... Aluminum cladding can also be at risk. (g) Contact of two metals through a fluid trap can be avoided by using a drain, collection tray, or a deflector. Where dissimilar materials are to be joined, it is advisable to use a more noble metal in a joint ( Fig. 5a , b). Unfavorable area ratios should...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... of dissimilar, difficult-to-join materials, fine-tuning the process conditions, and selecting materials to prevent failure. Integral finning on the tube inside diameter can also enhance heat transfer by adding turbulence to the fluid flow. Corrosion Resistance To meet corrosion requirements, heat...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001769
EISBN: 978-1-62708-241-9
... various sources viz., soil, caves, and teeth pulp stone [ 18 – 21 ]. Recently, Chen et al. [ 19 ] investigated bacteria-mediated ( Proteus mirabilis ) synthesis of metal carbonate minerals with unusual morphologies and structures. To the best of our knowledge, there are almost no reports...