国内外钽及钽合金的研究现状与展望

Research Status and Prospect of Tantalum and Tantalum-based Alloy at Home and Abroad

摘要:

钽及钽合金因具有优异的化学稳定性、高温力学性能、耐腐蚀性能以及加工成形能力,目前已被应用于航空航天、冶金化工以及核工业等诸多高新技术领域。针对钽及其合金巨大的应用潜力,国内外学者对其进行了深入广泛的研究,取得了丰富的研究成果。本文系统总结了钽合金材料体系类型及其应用领域,并从现有合金制备技术及其优缺点、主要合金体系的力学性能及其影响因素、高温防护涂层的体系及其制备方法等方面进行了系统介绍。最后,针对目前钽及其合金研究中存在的短板,对其未来的研究方向进行了展望。

Abstract:

Ta and Ta alloys have been used in high-tech fields such as aerospace, metallurgical chemical industry and nuclear industry due to their excellent chemical stability, high temperature mechanical properties, corrosion resistance and processing and forming ability. In view of the huge application potential of Ta and its alloys, scholars have carried out extensive research on it, and have achieved rich research results. According to the existing research results, this paper systematically summarizes the material system types and application fields of Ta alloys, the existing alloy preparation methods and their advantages and disadvantages, the mechanical properties of the main alloy systems and their influencing factors, the high temperature protective coating system and its preparation methods. Finally, the future research directions are prospected according to the shortcomings of the current research.