Ti2AlNb异形粉末环件的轧制成形与性能研究

卢正冠,吴杰,徐磊,崔潇潇,杨锐

Ring Rolling Forming and Properties of Ti2AlNb Special Shaped Ring Prepared by Powder Metallurgy

Zhengguan LU,Jie WU,Lei XU,Xiaoxiao CUI,Rui YANG

表3 Ti2AlNb粉末合金与铸锭变形合金在不同变形条件下的峰值应力

Table 3 Peak stresses of Ti2AlNb PM alloy and wrought alloy under different deformation conditions

Temperature Type Strain rate / s-1 ℃ 0.001 0.01 0.1 1 930 HIP 143 248 363 562 Wrought 146 288 353 603 980 HIP 60 168 212 255 Wrought 49 172 182 222 1005 HIP 59 141 245 310 Wrought 54 149 251 337 1030 HIP 46 90 102 147 Wrought 43 95 95 154 1050 HIP 31 80 160 201 Wrought 31 103 153 223