Cyclic deformation mechanisms in precipitated NiTi shape memory alloys
β Scribed by K Gall; H.J Maier
- Book ID
- 108491926
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 899 KB
- Volume
- 50
- Category
- Article
- ISSN
- 1359-6454
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## Abstract This paper takes into account the localized deformation behaviour of a pseudoelastic NiTi shape memory alloy with finite element method. A threeβdimensional micromechanical model has been developed, in which the difference between the elastic properties of austenite and martensite is co
Two competing mechanisms that compensate the transformation strains of the martensite are observed by transmission electron microscopy studies of nanocrystalline NiTi alloys. A single variant of compound twinned martensite forms below a critical grain size of about 100 nm. In larger grains, a herrin