损伤容限钛合金的研究进展及应用现状  

Research Development and Application of Damage Tolerance Titanium Alloy

作　　者：房卫萍[1,2] 陈沦[3] 史耀武[1] 虞文军[4] 毛智勇[2] 唐振云[2] 

机构地区：[1]北京工业大学材料科学与工程学院,北京100124 [2]北京航空制造工程研究所高能束流加工技术重点实验室,北京100024 [3]驻成都飞机工业集团有限责任公司海军代表室,成都610092 [4]成都飞机工业集团有限责任公司,成都610092

出　　处：《材料工程》2010年第9期95-98,共4页Journal of Materials Engineering

摘　　要：本文综述了Ti-6Al-4V ELI,TC4-DT,TC21和TA15 ELI四种损伤容限钛合金的研究新进展及其应用。指出Ti-6Al-4V ELI损伤容限合金在国外已经成功应用于飞机制造中,而TC4-DT,TC21,TA15 ELI三种损伤容限钛合金在国内处于开发研究阶段。重点介绍了TC4-DT,TC21,TA15 ELI的断裂韧性、疲劳裂纹扩展速率等损伤容限性能及其影响因素,指出片层组织有利于损伤容限性能的提高。The damage tolerance titanium alloys,such as Ti-6Al-4V ELI,TC4-DT,TC21 and TA15 ELI alloys,were summarized.The development process and the new study of damage tolerance titanium alloy were introduced.It pointed out that Ti-6Al-4V ELI alloy was successfully used in the airplane manufacture industry in foreign countries.However,TC4-DT,TC21 and TA15 ELI alloys were still under research in our country.The fracture toughness and fatigue crack propagation rate properties of TC4-DT,TC21 and TA15 ELI alloys were importantly discussed in detail.The lamellar microstructure was beneficial to improve the damage tolerance properties of titanium alloys.

关 键 词：钛合金 损伤容限 研究 应用 

分 类 号：TG146.23[一般工业技术—材料科学与工程]