Role of Deformation Twinning on Strain Hardening in Cubic and Hexagonal Polycrystalline Metals | Zendy

Kalidindi S.R. | Zendy; Salem A.A. | Zendy; Doherty R.D. | Zendy

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Role of Deformation Twinning on Strain Hardening in Cubic and Hexagonal Polycrystalline Metals

Author(s) -

Kalidindi S.R.,

Salem A.A.,

Doherty R.D.

Publication year - 2003

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.200300320

Subject(s) - materials science , crystal twinning , slip (aerodynamics) , hardening (computing) , crystallite , hexagonal crystal system , softening , alloy , strain hardening exponent , metallurgy , condensed matter physics , deformation mechanism , deformation (meteorology) , composite material , crystallography , microstructure , thermodynamics , physics , chemistry , layer (electronics)

Three effects define deformation‐twinning based metal strengthening: reduction of the free slip distance (Hall‐Petch effect), transformation of glissile to sessile dislocations (Basinski mechanism), and, additionally, textural softening due to reorientation of the material to a favourable orientation for slip. The relative contributions of these mechanisms govern the hardening process and provide a basis for its prediction in alloy design.

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