TC6钛合金棒材偏析缺陷分析  

Analysis of segregation defect of TC6 titanium alloy bar

作　　者：郑翠萍[1] 田园[1] 李雅馨 刘娅玲 高婷[1] 韩明臣[1] 舒滢[1] ZHENG Cui-ping;TIAN Yuan;LI Ya-xin;LIU Ya-ling;GAO Ting;HAN Ming-chen;SHU Ying(Northwest Nonferrous Metals Research Institute,Xi'an 710016,China)

机构地区：[1]西北有色金属研究院,陕西西安710016

出　　处：《世界有色金属》2020年第7期179-180,共2页World Nonferrous Metals

摘　　要：分析了TC6钛合金棒材中三种形式的偏析,探讨了其形成原因.研究发现偏析在组织形貌上一般以亮斑或黑斑形式存在,其形成主要与钛合金的制备过程有关.为了减少或消除偏析,应从原料选择、配料、电极制备、合金熔炼等工艺的优化、现场管理和过程控制着手.Three forms of segregation in TC6 titanium alloy bar are analyzed,and the reasons for its formation are discussed.It is found that the segregation usually exists in the form of bright spots or black spots,and the formation of segregation is mainly related to the preparation process of titanium alloy.In order to reduce or eliminate segregation,the optimization of raw material selection,batching,electrode preparation,alloy smelting and other processes,field management and process control should be taken into consideration.

关 键 词：TC6棒材 偏析 亮斑 暗斑 

分 类 号：TG146.23[一般工业技术—材料科学与工程]