911 Ti-Mo-Al生体用形状記憶合金の機械的性質に及ぼす多段時効の影響(OS9-3 形状記憶材料の特性と応用)

書誌事項

タイトル別名
  • 911 Effect of Multistep Aging on Mechanical Properties of Ti-Mo-Al Biomedical Shape Memory Alloy
公開日
2010
DOI
  • 10.1299/jsmemm.2010.533
公開者
一般社団法人 日本機械学会

説明

Effects of single- and multi-step aging on mechanical properties and shape memory properties of Ti-6Mo-8A1 (mol%) biomedical shape memory alloy were studied using tensile tests at room temperature. As for the single-step aging, (1) pseudoelastic shape recovery by unloading was observed after aging at 623K, (2) the alloy became brittle after aging at 773K due to a) embrifflement, and (3) strength was improved with small shape memory effect by aging at 1023K. On the other hand, after a multistep aging at 773K-1023K-1123K, the alloy was strengthened and showed perfect shape recovery.

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