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temper embrittlement

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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
... stress 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...
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...
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
... for reducing 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...
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
... the root cause 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...
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
... compressed 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...
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0091009
EISBN: 978-1-62708-235-8
...Abstract Abstract A thick-walled tube that was weld fabricated for use as a pressure vessel exhibited cracks. Similar cracking was apparent at the weld toes after postweld stress relief or quench-and-temper heat treatment. The cracks were not detectable by nondestructive examination after...
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
.... Such fractures 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 Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... of this include sensitization of stainless steels and various mechanisms of embrittlement during tempering, such as temper embrittlement, sigma-phase embrittlement, and 475 °C embrittlement Successful heat treatment relies on the proper combination of time and temperature to achieve uniformity of temperature...
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 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...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001731
EISBN: 978-1-62708-217-4
...Abstract Abstract Service failures have occurred in a number of aircraft parts made of quenched and tempered steel heat treated to ultimate tensile strengths of 260,000 to 280,000 psi. Some of these failures have been attributed to “delayed cracking” as a result of hydrogen embrittlement...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001707
EISBN: 978-1-62708-217-4
... total hydrogen levels than the levels measured in crack-free parts. Furthermore both components underwent the same processing by being heat treated to high strength levels (i.e. H950 and H1000 tempers) and subsequently chromium plated. This evidence led to the conclusion that hydrogen embrittlement...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001379
EISBN: 978-1-62708-215-0
... inspection of the bolts after tempering is ensured. Also, dull cadmium plate or an alternative to the electro deposition process, such as vacuum cadmium plate or ion-plated aluminum, should be utilized to mitigate the potential for delayed failures due to HE or SCC. After plating, a 24-hour embrittlement...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... (Adapted from <xref rid="a0006810-ref1" ref-type="bibr">Ref 1</xref>) Investigation Toughness and Transition Temperature Temper Embrittlement Effect of Surface Coatings Visual Examination Metallographic Examination Conclusions Recommendations Grain Size, Composition...
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
... with very high yield strength from tempering for short times at low temperatures and lower-yield-strength steels from high-temperature tempering (at 600 to 700 °C, or 1110 to 1290 °F). In the latter, embrittlement occurs when the steel is subjected to an additional isothermal treatment near 500 °C (930 °F...
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
... the chances of hydrogen embrittlement problems. To minimize the chance of hydrogen embrittlement, always temper the parts after hardening heat treatments, or anneal or perform a thermal stress relief after severe cold forming. Residual stresses from hardening and cold forming are key factors that could...
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
..., inexpensive commodity components, it is difficult to convince the parties who have suffered the loss to invest in an Auger analysis, even if a clean-enough part is obtained. Thermal exposures can also cause intergranular fracture, such as the well-known temper embrittlement of low-alloy steels. Some...
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
... regimes: steels with very high yield strength from tempering for short times at low temperatures, and lower-yield-strength steels from high-temperature tempering (at 600 to 700 °C, or 1110 to 1290 °F). In the latter, embrittlement occurs when the steel is subjected to an additional isothermal treatment...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... are used Blacking scab, wash scab D 240: Oxides adhering after heat treatment (annealing, tempering, malleablizing) by decarburization D 241 Adherence of oxide after annealing Oxide scale D 242 Adherence of ore after malleablizing (white heart malleable Adherent packing material...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
... temper condition is in the range of temper embrittlement, as highlighted by the sample containing arsenic. Fracture toughness data, Ref. [<xref rid="c9001780-ref23" ref-type="bibr">23</xref>] Table 6 Fracture toughness data, Ref. [ 23 ] Added element content (wt.%) Tempering temperature ( o...