Thermal cycle stability of Co64V15Si17Al4 high-temperature shape memory alloy

•A L21/D022 martensitic transformation is observed in Co64V15Si17Al4 alloy.•The Ms and As are high reach up to 589.6 °C and 649.1 °C in the alloy, respectively.•The addition of Al prevents the decomposition of the austenite phase.•The alloy shows high thermal stability upon cycling up to 200 thermal...

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Veröffentlicht in:	Materials letters 2020-02, Vol.260, p.126930, Article 126930
Hauptverfasser:	Zhang, Yanqing, Jiang, Hengxing, Liu, Xingjun, Huang, Lusheng, Yang, Shuiyuan, Wang, Cuiping
Format:	Artikel
Sprache:	eng
Schlagworte:	Heat resistant alloys High temperature High-temperature shape memory alloy Martensite Martensitic transformations Materials science Microstructure Phase transformation Room temperature Shape memory alloys Temperature Thermal cycle stability Thermal stability Thermal transformations Transformation temperature
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