Improving the ductility of amorphous alloys via severe plastic deformation

通过剧烈塑性变形提高非晶合金的延展性

• 批准号: DP150101121
• 负责人: Prof Xiaozhou Liao
• 金额: $ 24.16万
• 依托单位: The University of Sydney
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2015
• 资助国家: 澳大利亚
• 起止时间: 2015-01-01 至 2018-08-31
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP150101121
• 关键词: Improving; ductility; amorphous; alloys; via

Amorphous alloys are the strongest metallic materials. However, the brittle nature of the materials has significantly limited their applicability in reliability-critical structural applications. Despite significant worldwide efforts, improvement of the ductility has been limited to amorphous alloys with only a few specific compositions. This project aims to develop a universal approach to substantially enhancing the ductility of amorphous alloys through the application of severe plastic deformation, to explore the effect of severe plastic deformation on structure, and to reveal the fundamental mechanisms of the mechanical behaviour of amorphous alloys. The results are expected to enable structural design of amorphous alloys with excellent ductility.

无定形合金是最强的金属材料。但是，材料的脆性大大限制了其在关键性结构应用中的适用性。尽管全球范围内的巨大努力，但延展性的改善仅限于仅具有少量特定组成的非晶合金。该项目旨在开发一种普遍的方法，通过应用严重的塑性变形，从而实质上增强了无定形合金的延展性，以探索严重的塑性变形对结构的影响，并揭示非晶合金机械行为的基本机制。预计该结果将实现具有出色延展性的无定形合金的结构设计。