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Published: 01 January 2006
Fig. 26 Deformation mechanism maps for (a) zinc-aluminum and (b) lead-tin in terms of grain size versus stress. According to the dislocation mechanisms of superplasticity, a transition from superplasticity to dislocation creep should occur when d /b ≅ 10 μ/τ. This is approximately observed More
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Published: 01 January 2005
Fig. 26 Deformation mechanism maps for (a) zinc-aluminum and (b) lead-tin in terms of grain size versus stress. According to the dislocation mechanisms of superplasticity, a transition from superplasticity to dislocation creep should occur when d /b ≅ 10 μ/τ. This is approximately observed More
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Published: 01 December 1998
Fig. 45 Deformation-mechanism maps for (a) thoria-dispersed nickel and (b) type 316 stainless steel. Diffusional flow is a type of creep that occurs at very high temperatures and very low stresses. More
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Published: 30 August 2021
Fig. 2 Deformation mechanism maps for MAR-M 200 alloy at a grain size of (a) 100 μm and (b) 1 cm (0.4 in.) More
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Published: 01 December 2009
Fig. 9 Ashby deformation mechanism map for pure nickel with a grain size of 0.1 mm. L.T., low temperature; H.T., high temperature More
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Published: 30 November 2018
Fig. 19 Deformation mechanism map of aluminum alloy 5083 with superplastic forming, quick plastic forming, and hot stamping. GBS = grain boundary sliding, SD = slip deformation, PLB = persistent Lüders, or slip, bands. Source: Ref 10 More
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Published: 30 August 2021
Fig. 2 Deformation mechanism map for the cast nickel-base superalloy MAR-M200 with a grain size of 100 μm. Source: Ref 3 More
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Published: 01 January 2000
Fig. 8 Deformation mechanism map for creep of pure alumina (Al 2 O 3 ) with a grain size ( d ) of 100 μm. Source: Ref 12 More
Book Chapter

By Sammy Tin
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005404
EISBN: 978-1-62708-196-2
..., diffusional creep, twinning during creep deformation, and deformation mechanism maps. It discusses the creep-strengthening mechanisms for most structural engineering components. The article provides a description of the microstructural modeling of creep in engineering alloys. creep deformation...
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Published: 01 January 2002
Fig. 25 Deformation map for various failure mechanisms as a function of temperature and sulfur contents for preoriented polyisoprenes. Source: Ref 41 More
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Published: 15 January 2021
Fig. 26 Deformation map for various failure mechanisms as a function of temperature and sulfur contents for preoriented polyisoprenes. Source: Ref 17 More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003287
EISBN: 978-1-62708-176-4
... present compelling evidence that dislocations interact strongly with particles on a very local scale. Deformation Mechanism Maps The mechanisms of dislocation glide, dislocation climb, and diffusional flow exhibit different stress and temperature dependencies. Thus, the relative contribution...
Book Chapter

By George E. Dieter
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009003
EISBN: 978-1-62708-185-6
... encountered in multiaxial stress states. The construction of a processing map based on deformation mechanisms is also discussed. ductile fracture multiaxial stress stress-strain curve workability WORKABILITY refers to the relative ease with which a metal can be shaped through plastic deformation...
Book Chapter

By Y. Bhambri, V.K. Sikka
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003993
EISBN: 978-1-62708-185-6
... superalloys, namely, iron-nickel superalloys, nickel-base alloys, cobalt-base alloys, and powder alloys. The article discusses the microstructural mechanisms during hot deformation and presents processing maps for various superalloys. It concludes with a discussion on heat treatment of wrought heat-resistant...
Book Chapter

By G.G. Trantina
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002477
EISBN: 978-1-62708-194-8
..., there are two competing failure modes: ductile and brittle ( Fig. 6 ). With increasingly constrained stress states (uniaxial → biaxial → triaxial), the tendency for brittle failure tends to increase. Brittle failure occurs when the brittle failure mechanism occurs prior to ductile deformation ( Fig. 6...
Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003288
EISBN: 978-1-62708-176-4
... from data in order to calculate absolute values of creep rates (see “Deformation-Mechanism Maps” in this article for a discussion on how the power-law regime may vary for a material). Creep deformation results also indicate that the values for n and Q in Eq 2 are both variable with respect...
Book Chapter

By Giovanni Straffelini
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
...(a) it is predicted that wear is largely dominated by plastic deformation. The mapping approach is quite useful for understanding the wear mechanisms and transitions for steels commonly used for wheels and rails. Figure 11 shows the wear map for a BS11 wheel steel (with a hardness of ~250 kg/mm 2 ) ( Ref 25...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006140
EISBN: 978-1-62708-175-7
.... Frost H.J. and Ashby M.F. , Deformation Mechanism Maps , Pergamon Press , UK , 1982 27. Ashby M.F. , A first report of sintering diagrams , Acta Metall. , Vol 22 , 1974 , p 275 – 284 28. Arzt E. , Ashby M.F. , and Easterling Practical K.E...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001348
EISBN: 978-1-62708-173-3
... considering the compression needed to bond dissimilar materials, the deformation-mechanism map work of Frost and Ashby ( Ref 65 ) is helpful. The maps are in a stress/temperature space in which a single deformation mechanism is dominant. The stress used is a normalized tensile stress (tensile stress/shear...
Book Chapter

By S.C. Lim
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006396
EISBN: 978-1-62708-192-4
... on steel ( Ref 42 ). Later, scratching and deformation maps for polymers such as ultrahigh-molecular-weight polyethylene and polymethyl methacrylate, under abrasive wear, were proposed ( Ref 43 ). The usefulness of wear-mechanism maps is not restricted to describing the wear characteristics of bulk...