Effects of Mechanical Alloying on microstructure and microhardness of Nanocrystalline Ni–۵۰at.% Ti Shape Memory Alloy’
Publish place: International Journal of Advanced Design and Manufacturing Technology، Vol: 5، Issue: 5
Publish Year: 1391
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ADMTL-5-5_004
تاریخ نمایه سازی: 18 اردیبهشت 1400
Abstract:
In this work, nanostructured NiTi shape memory alloy with equal atomic percentage was produced through mechanical alloying. The result exhibited that after ۶۰ h of mechanical alloying of high purity elemental powder mixtures of nickel and titanium by a planetary high-energy ball mill, the Ti dissolved into Ni lattice and NiTi (B۲) phase with was obtained. The XRD investigations, SEM observations, TEM examinations and microhardness results concluded that this method is a powerful and high productive process for preparing NiTi shape memory alloy with nanocrystalline structure and appropriate morphology.
Authors
Morteza Ghadimi
Faculty of Mechanical Engineering, K.N. Toosi University of Technology
Ali Shokuhfar
Faculty of Mechanical Engineering, K.N. Toosi University of Technology