热处理对医用TLM钛合金硬度及成形性能的影响  

Effect of heat treatment on hardness and formability of biomedical TLM titanium alloy

作　　者：麻西群[1] 于振涛[1] 牛金龙[1] 刘汉源[1] 张亚峰[1] 

机构地区：[1]西北有色金属研究院,陕西西安710016

出　　处：《金属热处理》2015年第11期157-160,共4页Heat Treatment of Metals

基　　金：陕西省工业科技攻关项目(2015GY160);西部材料创新基金(XBCL03-18);科技部国际科技合作项目(2014DFA30880);国家重点基础研究发展计划(973计划)(2012CB619102)

摘　　要：对TLM钛合金进行了不同热处理条件下的室温硬度测试、杯突试验和弯曲试验。结果表明,固溶处理后合金板材的杯突值IE为4.7-5.8 mm,最大弯曲角为180°,显微硬度为226-236 HV0.1。时效处理后板材的杯突值IE为1.9-3.1 mm,最大弯曲角为77°-153°,显微硬度为240-403 HV0.1。同时,结合文献还定性地得到了相组织对板材硬度及成形性能的影响关系。Hardness test,cupping test and bending test were carried out on TLM alloy sheet under different heat treatment conditions.Results show that under solution treatment conditions,the cupping test value（ IE） is 4.7-5.8 mm,the max bending angle is up to 180°,and the hardness is 226-236 HV0.1,however,under aging conditions,the IE value of the sheet is 1.9-3.1 mm,the maximum bending angle is only 77°-153° and the hardness is 240-403 HV0.1.Moreover,effect of microstructure on the hardness and formability of the TLM alloy were analyzed qualitatively to reference the literatures.

关 键 词：钛合金 热处理 显微硬度 成形性能 

分 类 号：TG146.23[一般工业技术—材料科学与工程]