K4169相关论文
Effects of grain reifnement on cast structure and tensile properties of superalloy K4169 at high pou
In order to improve the ifling ability of large complex thin wal castings, the pouring temperature should be increased, ......
采用50%返回料+50%新料的新工艺熔炼镍基K4169合金,进行了4次返回料的熔炼试验。采用金相显微镜及扫描电镜对新料合金及返回料合金......

