Research on thermoplastic formability and nanomoulding mechanism of lightweight Ti-based bulk metallic glasses

Pan Gong, Hongchao Kou, Sibo Wang, Lei Deng, Xinyun Wang, Junsong Jin

科研成果: 期刊稿件文章同行评审

13 引用 (Scopus)

摘要

The poor thermoplastic formability is one of the bottlenecks in restricting the wide application of Ti-based bulk metallic glasses. In this study, alloying method was adopted to improve the thermoplastic formability of a lightweight Ti–Zr–Be bulk metallic glass (BMG). Different combinations of alloying elements, alloying routes and alloying contents have been tried to optimize the alloy composition. S parameter was found to be an effective indicator for evaluating the thermoplastic formability of the studied Ti-based bulk metallic glasses. A Ti45Zr20Be30Fe5 alloy, which possesses unique thermoplastic formability, has been successfully developed. A nanomoulding processing map for Ti45Zr20Be30Fe5 alloy has been constructed. To reduce the capillary effect, a wetting layer has been introduced during the nanomoulding process. Finally Ti-based BMG nanorods have been successfully fabricated in air, which further confirms the effectiveness of the proposed processing map and the superior thermoplastic formability of developed Ti45Zr20Be30Fe5 BMG.

源语言英语
页(从-至)267-276
页数10
期刊Journal of Alloys and Compounds
801
DOI
出版状态已出版 - 15 9月 2019

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