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(Pt, Ir)-50 at%Tiにおける形状記憶効果の可能性

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J. Jpn Inst. Metal 69(8) 634.pdf582.74 kBPDFView/Open
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Title: (Pt, Ir)-50 at%Tiにおける形状記憶効果の可能性
Other Titles: Potentials of Shape Memory Effect in (Pt, Ir)-50 at%Ti
Authors: 御手洗, 容子1 Browse this author
原, 徹2 Browse this author
三浦, 誠司3 Browse this author →KAKEN DB
細田, 秀樹4 Browse this author
Authors(alt): Yamabe-Mitarai, Yoko1
Hara, Toru2
Miura, Seiji3
Hosoda, Hideki4
Keywords: high-temperature shape memory alloys
martensitic transformation
Issue Date: 1-Aug-2005
Publisher: 日本金属学会
Journal Title: 日本金属学会誌
Journal Title(alt): Journal of the Japan Institute of Metals
Volume: 69
Issue: 8
Start Page: 634
End Page: 642
Publisher DOI: 10.2320/jinstmet.69.634
Abstract: It is known that some of platinum group metals base intermetallics have shape memory effect. We note PtTi because its phase transformation temperatures is at around 1273 K. The phase transformation of PtTi and the effect of Ir on the phase transformation were investigated by X-ray diffractometry (XRD), differential thermal analysis (DTA), in-situ surface observation in laser microscope, and microstructure observation in transmission electron microscopy (TEM). The shape recovery was investigated by dilatometry. Microstructure suggests martensitic phase transformation occurs in PtTi and (Pt, Ir)Ti. The shape recovery was found in some of the tested alloys. Potential of platinum group metals base intermetallics as high temperature shape memory alloys is discussed in this paper.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 三浦 誠司

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