Ti55粉末合金的拉伸性能和薄壁筒体结构的成型

徐磊, 郭瑞鹏, 陈志勇, 贾清, 王清江

Mechanical Property of Powder Compact and Forming of Large Thin-Wall Cylindrical Structure of Ti55 Alloys

XU Lei, GUO Ruipeng, CHEN Zhiyong, JIA Qing, WANG Qingjiang

表2 不同热等静压温度下Ti55粉末合金的拉伸性能

Table 2 Tensile properties of Ti55 powder compacts HIPed at 940℃ and 970℃

HIPing temperature 20oC 550oC UTS/MPa YS/MPa El./ % R.A./% UTS/MPa YS/MPa El./% R.A./% 940 oC 974 921 16.0 28.4 624 499 14.4 22.9 970 oC 1002 941 11.5 18.6 641 515 13.2 19.1