高强β钛合金的研究现状与展望  

Research status and prospect of high-strengthβ-titanium alloy

作　　者：王安东 相志磊[1] 周宗熠 马小昭 韩竟俞 陈子勇[1] Wang Andong;Xiang Zhilei;Zhou Zongyi;Ma Xiaozhao;Han Jingyu;Chen Ziyong(College of Materials Science and Engineering,Faculty of Materials and Manufacturing,Beijing University of Technology,Beijing100124,China;AVIC Manufacturing Technology Institute,Beijing100015,China)

机构地区：[1]北京工业大学材料与制造学部材料科学与工程学院,北京100124 [2]中国航空制造技术研究院,北京100015

出　　处：《钢铁钒钛》2023年第6期46-57,共12页Iron Steel Vanadium Titanium

基　　金：国家自然科学基金项目(51871006)。

摘　　要：对于钛合金来说,合金元素的种类以及含量对合金性能有很大的影响。而对于β钛合金,主要问题是如何选择β稳定元素以及控制β稳定元素的添加量。综述了不同合金元素对β钛合金的影响,并总结了国内外高强β钛合金的发展过程及现状。重点介绍了美国的Ti-1023、β21-S和俄罗斯的BT22、Ti-5553以及中国的Ti-5523合金。此外,从添加小尺寸间隙元素来控制合金相的大小、形态及种类的角度,对提升β钛合金强度进行了展望,以期使β钛合金的强度进一步提高。最后总结了β钛合金发展过程中遇到的困难及β钛合金可能的发展方向。For titanium alloys,the type and content of alloying elements have a great impact on the properties of the alloy.Forβ-titanium alloy,the main problem is how to selectβ-stable elements and control the addition ofβ-stable elements.In this paper,the influence of different alloyed elements onβ-titanium alloy is reviewed,and the development process and current situation of high-strengthβ-titanium alloy at home and abroad are summarized.The American Ti-1023,β21-S,Russian BT22,Ti-5553and Chinese Ti-5523 are mainly introduced.In addition,from the perspective of controlling the size,shape and type of the alloy phase by adding small size gap elements,the improvement of the strength ofβ-titanium alloy is prospected,in order to further improve the strength ofβ-titanium alloy.Finally,the difficulties encountered in the development ofβ-titanium alloy and the possible development direction ofβ-titanium alloy are summarized.

关 键 词：Β钛合金 微合金化 β稳定元素 间隙元素 力学性能 

分 类 号：TF823[冶金工程—有色金属冶金] TG146.23[一般工业技术—材料科学与工程]