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2 Ti2AlNb异形粉末环坯与圆柱包套在室温和650 ℃的拉伸性能

Table 2 Tensile properties of Ti2AlNb special shaped ring billet and cylindrical billet

Material Temperature / ℃ σb / MPa σ0.2 / MPa δ5 / % Ψ / % Ring billet 23 1104 925 6.5 9.0 650 788 623 13.5 11.0 Cylindrical billet 23 1158 952 8.0 6.0 650 802 595 12.0 22.0