GH4099粉末合金EBW接头的力学性能

冒桧萍, 杨姝, 杨嘉, 卢正冠, 徐磊

Microstructure and Mechanical Properties of Electron Beam Welded Joints of Powder Metallurgy Alloy GH4099

MAO Huiping, YANG Shu, YANG Jia, LU Zhengguan, XU Lei

表2 GH4099变形合金材料的拉伸性能[22]

Table 2 Tensile properties of GH4099 deformed alloy materials[22]

State Temperature / oC σb/ MPa σp0.2/ MPa δ5/ % Cold-rolled plate RT ≤ 1130 - 35 900 375 - 15 Hot-rolled bar(HT) RT 1030 665 25 900 345 - 28 Forged bar (HT) RT 980 measure 15 900 637 measure 10