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irreversible plastic deformation

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Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005592
EISBN: 978-1-62708-174-0
... how the solid-phase transformations that occur during the thermal cycle produced by welding lead to irreversible plastic deformation known as transformation plasticity. Residual stress and welding distortion are also discussed. References References 1. Hibbitt H. and Marcal P.V...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... resembles that in metals, as a propagating crack in a polymer is usually preceded by a zone of transformed material (i.e., a plastic zone). This may involve any of the known irreversible deformation mechanisms. In most cases, a zone of crazes precedes crack propagation, as in PP ( Fig. 12 ) or in PS ( Fig...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003024
EISBN: 978-1-62708-200-6
... creep deformation rates remain relatively the same for these types, but the time of failure is of course considerably reduced. In addition, third-stage creep deformation characteristics now differ considerably. The ductile plastic exhibits typical ductile yielding or irreversible plastic deformation...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005405
EISBN: 978-1-62708-196-2
... Deformation , Mech. Materials , Vol 35 , Nos. 3–6 , 2003 , p. 295 – 311 32. Dunne F.P.E. , Wilkinson A.J. , and Allen R. , Experimental and Computational Studies of Low Cycle Fatigue Crack Nucleation in a Polycrystal , Int. J. Plasticity , Vol 23 , 2007 , p. 273 – 295 33...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002417
EISBN: 978-1-62708-193-1
... ductile metals and brittle solids is the generation of permanent strains in the vicinity of the notch tip by kinematically irreversible deformation. The mechanisms of this permanent deformation can be as diverse as dislocation plasticity, microcracking, martensitic transformations, creep, interfacial...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002413
EISBN: 978-1-62708-193-1
... stress extreme and leads to transgranular failure mechanism, while diffusional creep is characteristic at lower stresses. In general, the total deformation is composed of elastic, recoverable inelastic, and plastic portions. The irreversible (plastic) deformation is responsible for damage processes...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005715
EISBN: 978-1-62708-171-9
... the particles strike the substrate. The action of the abrasive media causes irreversible plastic deformation of the surface material. The material beneath the deformed surface material remains elastic and tries to return the deformed surface material to its original (shorter) length. The resulting balance...
Book Chapter

By Bruce Craig
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003634
EISBN: 978-1-62708-182-5
... alloys. Hydrogen environment embrittlement occurs during the plastic deformation of alloys in contact with hydrogen-bearing gases or a corrosion reaction and is therefore strain-rate dependent. The degradation of the mechanical properties of ferritic steels, nickel-base alloys, titanium alloys...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006674
EISBN: 978-1-62708-213-6
... … … Engineering Plastics , Vol 2, Engineered Materials Handbook Platinum 9 25 75 CRC Handbook of Chemistry and Physics , 59th ed. Polycarbonate 68 … … Engineering Plastics , Vol 2, Engineered Materials Handbook Polyethylene terephthalate 65 … … Engineering Plastics , Vol 2, Engineered...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003237
EISBN: 978-1-62708-199-3
... as the high-frequency stress waves generated by the rapid release of strain energy that occurs within a material during crack growth, plastic deformation, phase transformation, etc. This energy may originate from stored elastic energy as in crack propagation, or from stored chemical-free energy as in phase...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003237
EISBN: 978-1-62708-199-3
...-frequency stress waves generated by the rapid release of strain energy that occurs within a material during crack growth, plastic deformation, phase transformation, etc. This energy may originate from stored elastic energy as in crack propagation, or from stored chemical-free energy as in phase...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... of unnotched high-purity metals and alloys has shown that repeated plastic deformation can result in localization of permanent microstructural changes. For example, under inelastic cyclic loading, bands of intense slip known as persistent slip bands form in individual crystals of pure fcc metals...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
...-concentration effect permits local permanent plastic deformation at nominal stresses below yield. Initiation frequently occurs near free surfaces, because nominal stresses are often higher there (e.g., bending and torsion). Geometric variations at surfaces can locally elevate stresses and strains, and processes...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002355
EISBN: 978-1-62708-193-1
... of cyclic plastic deformation. The way that these necessary conditions are achieved seems to be of less importance. In some models, microcrack formation is identical with continuous growth of intrusions. Growth may occur by repeated slip on one or more slip systems. The basic idea for the one-slip...
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
... at elevated temperature, the initial response of the material will be to undergo an initial reversible elastic deformation. Following this, the material will gradually extend plastically, which would be considered to be permanent or irreversible deformation. With respect to engineering applications, the main...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001094
EISBN: 978-1-62708-162-7
.... For example, the irreversible loss at −57 °C (−70 °F) is 3% when the L / D ratio is 0.09; however, when the L / D ratio is 0.50, no loss occurs. Typical properties are given in Tables 3 and 4 and in the demagnetization curves in Fig. 6(c) . Although the ( BH ) max of the ferrites is relatively low...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006442
EISBN: 978-1-62708-190-0
.... and Moilanen M. , Detection of Plastic Deformation during Fatigue of Mild Steel by the Measurement of Barkhausen Noise , NDT Int ., Vol 12 ( No. 2 ), 1979 , p 51 – 55 10.1016/0308-9126(79)90015-4 10. Hsu A. , “Stress Effects on Magnetic Barkhausen Noise Measurements from Magnetized...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003279
EISBN: 978-1-62708-176-4
... in plastic deformation and fracture with the transfer of detached material to the opposing surface  Fretting wear Wear arising from short-amplitude oscillations or tangential contact vibrations  Fatigue wear Wear involving the nucleation and propagation of surface and/or subsurface cracks under...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003550
EISBN: 978-1-62708-180-1
... effects on polymeric materials cover a broad range of different behaviors. Plasticization, solvation, and swelling, involving diffusion of the chemicals into the polymer, do not alter the molecular structure irreversibly. Their effects can be reversed if the chemical is removed from the material...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006307
EISBN: 978-1-62708-179-5
... experiments of lamellar graphite iron, compacted graphite iron, spheroidal graphite iron, and austempered ductile iron materials. Elastic deformation, which is reversible Plastic deformation, which is irreversible cast iron chemical composition coarseness elastic modulus finite-element...