Ti-50.2Ni-5Zr Shape Memory Alloy Square Rots Production by the Casting Technique

• Kitamura, Kazuhiro

抄録

type:text

The purpose of this study is to make the Ti-Ni-Zr specimen using casting method from P/M ingot and evaluates the shape memory behavior. All samples were square rod shape made by centrifugal casting. The size of all samples was 1mm wide, 1.3mm height and 37.5mm length. The transformation behavior during cooling and heating was investigated using a differential scanning calorimeter(DSC). The phase constituent was determined by XRD analysis from 20˚C to 150˚C. Mechanical properties of the shape memory effects were measured using a tensile machine at 25˚C. The samples were annealed at 400˚C, 500˚C and 600˚C for 3.6ks followed by water quenching. After annealing, specimens were cold rolled at 0% (no rolling) and 10%. The Ti-Ni-Zr square rod specimens are fabricated by centrifugal casting using P/M ingot. All samples had shape memory behavior. From DSC measurement, the highest reverse martensitic transformation temperature is 120˚C. From tensile test, the Luders like deformation stress were not constant and dependence of heat treatment conditions was not clarified. However, 10% cold rolling specimen, shape memory characteristics were stabilized.

収録刊行物

• Materials Science Forum

  Materials Science Forum 783-786 2445-2449, 2014-05-24

  Trans Tech Publications

キーワード

• Ti-Ni-Zr shape memory alloy
• pulse-current pressure sintering
• Centrifugal casting

詳細情報

• CRID: 1050282813416344832
• NII論文ID: 120005842961
• NII書誌ID: AA10695957
• ISSN: 02555476
• ISSN: 16629752
• DOI: 10.4028/www.scientific.net/msf.783-786.2445
• Web Site: http://hdl.handle.net/10424/6745
• Web Site: https://www.scientific.net/MSF.783-786.2445.pdf
• 本文言語コード: en
• 資料種別: journal article
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