对我国A-USC汽轮机用Ni基合金铸件研发的建议  

Suggestions for the Research and Development of Ni-base Alloy Castings for A-USC Steam Turbine in China

作　　者：刘新新[1] 彭建强[1] LIU Xin-xin;PENG Jian-qiang(Harbin Turbine Company Limited？Harbin 150046？ China)

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2018年第5期397-400,324,共5页Turbine Technology

基　　金：国家能源应用技术研究及工程示范项目--700℃超超临界机组汽轮机高温铸件研制(NY20150102)

摘　　要：在论述国内外汽缸、阀壳等A-USC汽轮机高温部件用大型厚壁Ni基合金铸件研发现状的基础上,总结了大型厚壁Ni基合金铸件研发的难点,结合我国Ni基合金研发的现状,对我国A-USC汽轮机用Ni基合金铸件研发提出了建议。Based on the description of the state of art of heavy-walled large Ni-base alloy castings for high temperature parts such as casing for A-USC steam turbine,this paper summarized the difficulties for the research and development for the heavy-walled large Ni-base alloy castings,and gives suggestions for the Research and Development of Ni-base alloy castings for A-USC steam turbine in China,considering the state of art of Ni-base alloy castings in China.

关 键 词：Ni基合金铸件 蠕变持久强度 二次精炼 无损检测 焊接 

分 类 号：TK265[动力工程及工程热物理—动力机械及工程]