Competing accommodation mechanisms of th
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T. Waitz; W. Pranger; T. Antretter; F.D. Fischer; H.P. Karnthaler
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Article
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2008
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Elsevier Science
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English
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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