中国变形高温合金研制进展  

Development of Wrought Superalloy in China

作　　者：杜金辉[1] 赵光普[1] 邓群[1] 吕旭东[1] 张北江[1] 

机构地区：[1]钢铁研究总院高温材料研究所,北京100081

出　　处：《航空材料学报》2016年第3期27-39,共13页Journal of Aeronautical Materials

基　　金：国家科技部973计划(2010CB631203)

摘　　要：概述了近10年来我国变形高温合金的研制情况。介绍了航空发动机用涡轮盘材料718Plus,GH4720Li,GH4065合金的特点,燃烧室用GH3230合金以及燃气轮机用GH4706合金的研制进展。并对变形高温合金热加工新技术进行了总结,包括针对易偏析材料开发的ERS-CDS新工艺,改善变形高温合金棒材组织的反复镦拔工艺,提升高性能难变形高温合金热塑性的缓冷处理和热机械循环处理技术。最后,展望了我国变形高温合金产业的未来。Wrought superalloy development in China was reviewed in recent ten years.The achievement of basic research and development of industrial manufacture technologies were systematically described from the aspects of new alloys,new technologies of hot deformation.New alloys include;new disc materials 718 Plus,GH4720Li and GH4065 alloy,combustion chamber alloy GH3230,and GH4706 alloy for gas turbine engines.New technologies include;ERS-CDS new technology of easy segregation materials,multi upsetting-drawing for improving the microstructure uniformity of bars,slow cooling and multi-cycle thermomechanical treatment for increasing hot plasticity of hard-to-work alloys.Finally,the further development of wrought superalloys was prospected.

关 键 词：变形高温合金 缓冷处理 热机械循环 双相超塑性 

分 类 号：TG132.2[一般工业技术—材料科学与工程]