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Mechanism of reversible transformation-induced plasticity of Fe-Mn-Si shape memory alloys

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Takahiro Sawaguchi, Leandru-Gheorghe Bujoreanu, Takehiko Kikuchi, Kazuyuki Ogawa, Motomichi Koyama and Masato Murakami

Editorial: Elsevier, Scripta Materialia, 59(8), p.826-829, 2008.

Rezumat:

The mechanism of reversible transformation-induced plasticity of an Fe-30Mn-6Si (mass %) shape memory alloy, under tensile stress and subsequent compression, has been observed by optical and atomic force microscopy. The tensile stress-induced e (hexagonal close-packed) martensite reverts into c (face-centered cubic) austenite after compression to zero strain. Further compression to
negative strains induces a different e martensite variant from that of the tensile-stress-induced e martensite

Cuvinte cheie: Shape memory alloy; Martensitic phase transformation; Damping; Atomic force microscopy (AFM); Reversible transformation-induced plasticity

URL: http://www.sciencedirect.com/science?_ob=PublicationURL&_cdi=5606&_pubType=J&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=77a1463850e916700614b9c89cc4bd50&jchunk=59#59