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strain-age embrittlement

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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
... Table 1 Summary of the types of embrittlement experienced by ferrous alloys Embrittlement type Susceptible steels Causes Result Strain-age embrittlement Low-carbon steel Precipitation after deformation processing Strength increases, ductility decreases Quench-age embrittlement Low...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380235
EISBN: 978-1-62708-456-7
... embrittlement, strain-age embrittlement, temper embrittlement, tempered martensite embrittlement, and thermal embrittlement. In addition, steels and other metals and alloys can be embrittled by environmental conditions (environmentally assisted embrittlement). The forms of environmental embrittlement include...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.9781627084567
EISBN: 978-1-62708-456-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030380
EISBN: 978-1-62708-282-2
... and nonferrous alloys) or after a coldworking operation (strain aging). The change in properties is often, but not always, due to a phase change (precipitation), but never involves a change in chemical composition of the metal or alloy. See also age hardening, arti cial aging, natural aging, overaging...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410405
EISBN: 978-1-62708-265-5
...., a decrease in flow stress with increasing strain rate, provides evidence for dynamic strain aging or carbon atom segregation to dislocations during testing. Dynamic strain aging is discussed in more detail in the next section of this chapter. Leslie and Sober recognized that rearrangement of carbon atoms...
Image
Published: 01 January 2015
Fig. 3.15 Notched stress-rupture properties under sustained loading. The Ti-8Mn sheet alloy is susceptible to the strain-aging type of hydrogen embrittlement. Notched tensile specimens were loaded to stresses below normal failure stress. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030148
EISBN: 978-1-62708-282-2
... °C (70 °F) Observed at –100 to 700 °C (–150 to 1290 °F); most severe near 20 °C (70 °F) Observed at –100 to 100 °C (–150 to 210 °F); most severe near 20 °C (70 °F) Observed at –100 to 700 °C (–150 to 1290 °F) … … … … … … Strain rate important; embrittlement more severe at low strain...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170234
EISBN: 978-1-62708-297-6
... is molybdenum, which upon aging initially forms Ni 3 Mo, with an orthorhombic Cu 3 Ti-type structure. The metastable Ni 3 Mo phase forms initially because of its better lattice fit with the bcc martensitic matrix. Growth of the Ni 3 Mo is restricted by coherency strains, and as such, further aging results...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080379
EISBN: 978-1-62708-304-1
... alloys. This type of brittle, intergranular cracking phenomenon has been described by different names, such as “reheat cracking,” “stress-relaxation cracking,” “strain-age cracking,” and “gamma-prime embrittlement.” This phenomenon typically occurs at the lower end of the intermediate temperature range...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
... it appears under various levels of magnification. It also discusses the ductile-to-brittle transition observed in steel, the characteristics of intergranular fracture, and the causes of embrittlement. brittle fracture crack nucleation crack propagation ductile fracture microvoid coalescence...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930113
EISBN: 978-1-62708-359-1
... Localized embrittlement in welded regions can occur by a number of mechanisms, and these can increase the risk of brittle fracture initiation. The three most common mechanisms are hydrogen embrittlement, strain aging, and temper embrittlement. Each of these mechanisms can reduce the toughness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... to be favored most under mode I loading. As originally suggested for the decohesion theory ( Ref 3.10 ), embrittlement is most likely to occur in a dilatant region or in a region of elevated hydrostatic tension stress (σ ii /3). For spherical strain centers in a dilute solution, Boltzmann statistics give ( Ref...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... metals for long-term elevated-temperature service. In a creep test, the time-dependent strain, or extension, is measured under long-term elevated temperature. A shorter test, the stress-rupture test, measures the time it takes to fail a metal at a given stress at elevated temperature. Engineering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180197
EISBN: 978-1-62708-256-3
... at ambient or moderately elevated temperatures after hot working or a heat treatment (quench aging in ferrous alloys, natural or arti cial aging in ferrous and nonferrous alloys) or after a cold working operation (strain aging). The change in properties is often, but not always, due to a phase change...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310161
EISBN: 978-1-62708-286-0
... in condition A. All aging treatments are above the temper embrittlement range to which these alloys are susceptible. Service temperatures in this range would result in embrittlement, so use above 350 °C (660 °F) should be avoided. Molybdenum-bearing grades should be selected to minimize this phenomenon if high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090317
EISBN: 978-1-62708-266-2
... avoidance must be given serious attention. Previous reviews of environmentally assisted cracking of uranium alloys have concentrated on presenting detailed data for stress-corrosion cracking (SCC) ( Ref 12.1 – 12.4 ) or hydrogen embrittlement ( Ref 12.2 , 12.5 – 12.7 ) in specific alloys and alloy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780295
EISBN: 978-1-62708-281-5
... is the main parameter that affects small-strain properties. In the aging range, all polymers age the same. The small-strain behavior of PS, for example, is similar to that of polycarbonate (PC) and other glassy structures. Aging is a general phenomenon; it has been observed in all glassy structures...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410579
EISBN: 978-1-62708-265-5
... detrimental to corrosion resistance or toughness. In austenitic stainless steels, strength is also developed by cold work and strain-induced martensite formation. Martensitic stainless steels can be heat treated by quench and tempering to high hardness and strength. Precipitation-hardening grades of stainless...