NiAl shape memory alloy by powder metallurgy method
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Author(s)
Detail(s)
Original language | English |
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Pages (from-to) | 497-500 |
Journal / Publication | Materials Science Forum |
Volume | 327 |
Publication status | Published - 2000 |
Conference
Title | Proceedings of the 1999 International Symposium and Exhibition on Shape Memory Materials (SMM'99) |
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City | Kanazawa, Jpn |
Period | 19 - 21 May 1999 |
Link(s)
Abstract
Mechanical alloying in high-energy ball-milling machine was used to fabricate the NiAl shape memory alloy. The effect of milling time on the mechanical properties was investigated. The microstructures and phase transformations of NiAl were studied by scanning electron microscope (SEM), x-ray diffraction (XRD), differential scanning calorimetry (DSC) and dynamic thermal analysis (DTA). Lamella micro-structures was found in the SEM examination and they were confirmed to have the martensite structure by XRD analysis. Results from DSC thermal analysis revealed that the sintered-compact exhibited thermoelastic transformation. Besides, the martensitic transformation was found to have suppressed by the presence of Ni5Al3 precipitates in some of the ball-milled specimens.
Citation Format(s)
NiAl shape memory alloy by powder metallurgy method. / Man, C. H.; Chung, C. Y.
In: Materials Science Forum, Vol. 327, 2000, p. 497-500.
In: Materials Science Forum, Vol. 327, 2000, p. 497-500.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review