Effects of Mechanical Alloying on microstructure and microhardness of Nanocrystalline Ni–50at.% Ti Shape Memory Alloy’

In this work, nanostructured NiTi shape memory alloy with equal atomic percentage was produced through mechanical alloying. The result exhibited that after 60 h of mechanical alloying of high purity elemental powder mixtures of nickel and titanium by a planetary high-energy ball mill, the Ti dissolv...

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Bibliographic Details
Main Authors: Morteza Ghadimi, Ali Shokuhfar
Format: Article
Language:English
Published: Islamic Azad University-Isfahan (Khorasgan) Branch 2012-12-01
Series:International Journal of Advanced Design and Manufacturing Technology
Online Access:https://admt.isfahan.iau.ir/article_534812_f38d025f74480f8112e78377aeeea04d.pdf
Description
Summary:In this work, nanostructured NiTi shape memory alloy with equal atomic percentage was produced through mechanical alloying. The result exhibited that after 60 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 (B2) 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.
ISSN:2252-0406
2383-4447