Deformation nanotwins suppress shear banding during impact test of CrCoNi medium-entropy alloy
نویسندگان
چکیده
منابع مشابه
Exceptional damage-tolerance of a medium-entropy alloy CrCoNi at cryogenic temperatures
High-entropy alloys are an intriguing new class of metallic materials that derive their properties from being multi-element systems that can crystallize as a single phase, despite containing high concentrations of five or more elements with different crystal structures. Here we examine an equiatomic medium-entropy alloy containing only three elements, CrCoNi, as a single-phase face-centred cubi...
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Combinations of high strength and ductility are hard to attain in metals. Exceptions include materials exhibiting twinning-induced plasticity. To understand how the strength-ductility trade-off can be defeated, we apply in situ, and aberration-corrected scanning, transmission electron microscopy to examine deformation mechanisms in the medium-entropy alloy CrCoNi that exhibits one of the highes...
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Mesh-free approximation is used in numerical simulations of strain localization under large deformation. An explicit displacement based mesh-free formulation is used in both two-dimensional and three-dimensional computations. The spatial isotropy of mesh-free interpolant is demonstrated through the numerical example to show that mesh-free methods possess certain ``mesh objectivity'' that allevi...
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ژورنال
عنوان ژورنال: Scripta Materialia
سال: 2020
ISSN: 1359-6462
DOI: 10.1016/j.scriptamat.2019.12.017