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Hardening (metallurgy)
About: Hardening (metallurgy) is a research topic. Over the lifetime, 25584 publications have been published within this topic receiving 376012 citations.
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TL;DR: In this paper, the authors investigated the temperature dependencies of true strain-hardening and plastic-instability properties for austenitic stainless steels; including annealed 304, 316, 316LN, and 20% cold-worked 316LNs, at test temperatures from −150 to 450 °C.
350 citations
TL;DR: In this paper, a new yield function for compressible P M materials has been derived based upon a yield criterion postulated by the authors, which was experimentally verified for the uniaxial state of compressive stress using the P M aluminum alloy X7091 as a model material, and excellent agreement was found between theoretical and experimental results for the density dependence of the yield and geometrical hardening.
350 citations
01 Jul 2004-Materials Science and Engineering A-structural Materials Properties Microstructure and Processing
TL;DR: In this paper, an overview of the strain hardening and strain rate hardening behavior of nanostructured and ultrafine-grained metals is presented, with some recent data for ultrafinegrained Cu presented as a model case.
Abstract: This paper presents an overview of the strain hardening and strain rate hardening behavior of nanostructured and ultrafine-grained metals. The experimental findings obtained in our laboratory are summarized, with some recent data for ultrafine-grained Cu presented as a model case. Due to the diminishing strain hardening capacity and inadequate strain rate hardening, plastic instabilities in the form of inhomogeneous and localized deformation such as necking and shear banding often contribute to the low ductility of nanostructured and ultrafine-grained metals at room temperature (RT). The observed grain size dependence of the strain rate sensitivity is also discussed in terms of its implications for new deformation mechanisms when the grain size is in the nanocrystalline (nc) and ultrafine regime.
348 citations
TL;DR: In this article, the ageing kinetics of a ternary Al-Zn-Mg alloy were investigated, and the coupling between prestraining and subsequent ageing was investigated in terms of competition between homogeneous precipitation and heterogeneous precipitation on dislocations.
343 citations
TL;DR: The work hardening properties of a friction stir welded (FSWed) magnesium alloy were evaluated using two modified equations of hardening capacity and strain hardening exponent where the elastic deformation stage was excluded.
338 citations