俄罗斯高强度低膨胀合金研发动态  

Development of high-strength an low-expansion alloys in Russia

作　　者：张敬霖 严飞 于一鹏[3] 张羊换[1] 张建福[3] 王焰[3] ZHANG Jing-lin;YANG Fei;YU Yi-peng;ZHANG Yang-huan;ZHANG Jian-fu;WANG Yan(Inner Mongolia University of Science and Technology,Baotou 014010,Nei Mongol,China;The First Military Office of the Beijing Bureau of the Sea Department in Tianjin,Tianjin 300131,China;Research Institute of Functional Material,CISRI,Beijing 100081,China)

机构地区：[1]内蒙古科技大学,内蒙古包头014010 [2]海装北京局驻天津地区第一军代表室,天津300131 [3]钢铁研究总院功能材料研究所,北京100081

出　　处：《金属功能材料》2019年第6期58-62,共5页Metallic Functional Materials

摘　　要：介绍了俄罗斯低膨胀合金Fe-Ni-Co-C和FeNi30Co10Ti3合金研发概况。开发的铸造型Fe-Ni-Co-C用于宇宙飞行器头部的导流锥,用于石英或玻璃陶瓷封接的关键大尺寸异性金属框架,其典型合金居里温度为352℃,在300℃的平均线膨胀系数低于3.5×10-6 K-1。变形FeNi30Co10Ti3属于高强度低膨胀合金,采用真空感应熔炼+热变形+冷变形的工艺,采用热膨胀仪研究了过饱和固溶体的析出行为,以及时效处理对合金硬度、磁性、电导率的影响。The development situation of low-expansion alloys Fe-Ni-Co-C and FeNi30Co10Ti3 alloy in Russia is introduced.The developed cast Fe-Ni-Co-C is used for diversion cone in aircraft as key large-size heterogeneous metal frame for quartz or glass-ceramic sealing.Its typical alloy Curie temperature is 352℃.The TEC of 300℃ is lower than 3.5×10-6 K-1.Deformed FeNi30Co10Ti3 is a high-strength low-expansion alloy,which is melted by VIM furnace,then forged and cold-rolled.The precipitation behavior of supersaturated solid solution is studied studied by thermal dilameter,also the effect of aging treatment on hardness,magnetic properties and electrical conductivity of the alloy are studied.

关 键 词：低膨胀合金 发展动态 热处理 

分 类 号：TG132.1[一般工业技术—材料科学与工程] V252[金属学及工艺—合金]