کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8019972 1517257 2014 13 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of deformation on the stability of stress-induced martensite in nanocrystalline NiTi shape memory alloy
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
Effect of deformation on the stability of stress-induced martensite in nanocrystalline NiTi shape memory alloy
چکیده انگلیسی
A nanocrystalline Ni-49.8 at%Ti alloy with an average grain size of about 16 nm was acquired by cold-drawing and low-temperature annealing. The stability of stress-induced martensite of the nanocrystalline NiTi alloy was investigated by a differential scanning calorimeter (DSC). The results show that stress-induced B19′ martensite was preserved when the samples were subjected to 14% and 16% prestrain. The DSC measurements reveal that the prestrained samples experience two-stage B19′→B2 transformation upon the first heating process and the transformation temperature increases with an increasing prestrain.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Letters - Volume 131, 15 September 2014, Pages 233-235
نویسندگان
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