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temper embrittlement

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Published: 01 January 2002
Fig. 7 Plot showing the effect of temper embrittlement on the fracture toughness of a 1CrMoV steel. Source: Ref 8 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001004
EISBN: 978-1-62708-229-7
... bearing thread. Crack extension was the result of marked creep embrittlement and reverse temper embrittlement (RTE). Selected approaches were examined to assess the effects of RTE on the material toughness of selected studs. It was observed that Auger electron microscopy results which indicated the extent...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001079
EISBN: 978-1-62708-214-3
.... The material was found to be a typical Cr-Mo-V steel, and it met the property requirements. No evidence of temper embrittlement was found. The analyses showed that the observed flaws were present in the original forging and attributed them to lack of ingot consolidation. A series of actions, including...
Image
Published: 30 August 2021
Fig. 28 Scanning electron micrograph illustrating the characteristic rodlike artifacts associated with aluminum nitride embrittlement. This characteristic appearance is confirmation of aluminum nitride embrittlement as opposed to ferrite films or temper embrittlement, which also lead More
Image
Published: 01 January 2002
Fig. 51 Scanning electron micrograph illustrating the characteristic rodlike artifacts associated with aluminum nitride embrittlement. This characteristic appearance is confirmation of aluminum nitride embrittlement as opposed to ferrite films or temper embrittlement, which also lead More
Image
Published: 01 December 1992
Fig. 5 Typical “rock candy” fracture appearance with intergranular cracking exhibited by temper-embrittled materials. 136×. More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... the likelihood of overload fractures are included. The article focuses primarily on the contribution of embrittlement to overload failure. The embrittling phenomena are described and differentiated by their causes, effects, and remedial methods, so that failure characteristics can be directly compared during...
Image
Published: 01 December 1992
Fig. 6 Fracture surface of the ring sample material broken at low temperature. The fracture is essentially cleavage. There is no evidence of any temper embrittlement (rock candy appearance with intergranular cracking, as shown in Fig. 5 ). 408×. More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... of an overload failure. It also presents examples of thermally and environmentally induced embrittlement effects that can alter the overload fracture behavior of metals. atomic structure brittle cracking crack propagation crystalline structure ductile cracking ductility environmentally induced...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... to local overheating and possibly to distortion or cracking). Another type of heating problem is when improper thermal cycles produce unacceptable microstructural features or embrittlement. Examples of this include sensitization of stainless steels and various mechanisms of embrittlement during tempering...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0048674
EISBN: 978-1-62708-222-8
... to clamp onto the framework prior to springback. The heat treatment cycle of the fasteners consisted of austenitizing, quenching, tempering to obtain a tempered martensite microstructure, acid cleaning, zinc electroplating, coating with a clear dichromate and thereafter baking to remove the nascent...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... of other embrittling elements or microstructural phases The actual value of the tensile stress that creates a crack in a particular component depends on these factors. For example, prior temper embrittlement of high-strength alloy steels enhances hydrogen stress cracking. The threshold stress...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... that creates a crack in a particular component depends on these factors. For example, prior temper embrittlement of high-strength alloy steels enhances HSC. The threshold stress intensity for crack growth is lowered, and intergranular fractures occur. The influence of temper embrittlement on HSC...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... the grain boundaries completely; discontinuous films are sufficient. Some common examples of IG embrittlement by films or segregants include: Grain-boundary carbide films in steels Iron nitride grain-boundary films in nitrided steels Temper embrittlement of alloy steels by segregation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... result from use of materials having high ductile-to-brittle transition temperatures, low resistance to hydrogen embrittlement, temper embrittlement, or caustic embrittlement, or chemical compositions or mechanical properties other than those specified. In some instances, fractures may originate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0091009
EISBN: 978-1-62708-235-8
...-and-tempered steels containing vanadium, as well as HSLA steels with a vanadium addition, have been shown to be susceptible to this embrittlement. Manufacturers of susceptible steels recommend use of these materials in the as-welded condition. Selected Reference Selected Reference • Failures Related...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001173
EISBN: 978-1-62708-218-1
... for removing the blanking copper. Clearly, if this operation was carried out prior to the tempering, then the tempering operation would drive out the hydrogen thereby avoiding embrittlement problems no matter how quickly the ball joints are put into service after manufacture. The reason why previous samples...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... to eutectoid divorcement in low-carbon steels Grain-boundary hypereutecoid cementite in carburized or hypereutectoid steels Iron nitride grain-boundary films in nitrided steels Temper embrittlement in heat treated steels due to segregation of phosphorus, antimony, arsenic, or tin Embrittlement...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001613
EISBN: 978-1-62708-235-8
... coalescence in the center. The improper baking after electroplating of the screw led to H2-induced blistering/cracking. The high strength of the threaded region of the adjusting screw increased the failure propensity. Electroplating 16MnCr5 DIN 17210 Hydrogen damage and embrittlement Surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048147
EISBN: 978-1-62708-234-1
... Abstract The power-type counterbalance spring, formed from hardened-and-tempered carbon steel strip and subsequently subjected to phosphating treatment, fractured at the two locations during fatigue testing. A rust colored dark band at the inside edge of the fracture surface was disclosed...