Recent research and developments related to near-equiatomic titanium-platinum alloys for high-temperature applications

Abdul Wadood, Yoko Yamabe-Mitarai

研究成果: Article査読

11 被引用数 (Scopus)

抄録

The potential of near-equiatomic titanium-platinum (NiTi) alloys for high-temperature applications were studied. Alloys were created by arc melting, homogenized at 1250°C for 3 h, and then quenched with ice water. The phase transformation temperatures were investigated using differential thermal analysis (DTA) between 600°C to 1100°C at a heating and cooling rate of 10°C min-1 using a Shimadzu DTA-50 device. X-ray diffraction analysis was conducted at room temperature to high temperature from 20°-90° in 2θ using a Rigaku TTR-III X-ray diffractometer with CuKα radiation. The higher strength and shape memory properties for were related to the combined effects of solid solution strengthening and (Ti,Zr)Pt3 precipitation. It was also reported that the crystal structure of orthorhombic martensite (B19) changed to tetragonal structure with increasing Ir content in Ti50(Pt,Ir)50 alloys.

本文言語English
ページ(範囲)61-67
ページ数7
ジャーナルPlatinum Metals Review
58
2
DOI
出版ステータスPublished - 2014
外部発表はい

ASJC Scopus subject areas

  • 金属および合金

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