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Microstructural characterization and enhanced hardness of nanostructured Ni3Ti-NiTi (B2) intermetallic alloy produced by mechanical alloying and fast microwave-assisted sintering process SCIE SCOPUS

Title
Microstructural characterization and enhanced hardness of nanostructured Ni3Ti-NiTi (B2) intermetallic alloy produced by mechanical alloying and fast microwave-assisted sintering process
Authors
Akbarpour, M.R.Alipour, S.Najafi, M.Ebadzadeh, T.Kim, H.S.
Date Issued
2021-04
Publisher
ELSEVIER SCI LTD
Abstract
In this paper, the rapid synthesis of nanostructured NiTi-Ni3Ti intermetallic alloy from titanium and nickel powders through mechanical alloying followed by microwave-assisted sintering process was investigated. The sintered samples at different temperatures exhibited major phases of NiTi-B-2 and Ni3Ti, and minor phases of NiTi-B19' and Ti2Ni. The density, porosity and microhardness of the sample varied based on the sintering temperature, in which the highest density and microhardness (similar to 750 H V) were obtained at sintering temperature of 1100 degrees C. Based on the results of this research, the microwave-assisted sintering can be applied to fabricate Ni-Ti alloys with improved mechanical properties for biomedical applications.
URI
https://oasis.postech.ac.kr/handle/2014.oak/105122
DOI
10.1016/j.intermet.2021.107119
ISSN
0966-9795
Article Type
Article
Citation
INTERMETALLICS, vol. 131, 2021-04
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김형섭KIM, HYOUNG SEOP
Ferrous & Eco Materials Technology
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