<strong>Ti<sub>2</sub>AlNb</strong>异形粉末环件的轧制成形与性能研究

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4 Ti₂AlNb异形环的拉伸性能

Table 4 Tensile properties of Ti₂AlNb special shaped ring

Process	Temperature / ℃	σ_b / MPa	σ_0.2 / MPa	δ₅ / %	Ψ / %
HIP+rolled	23	1259	1091	5.5	6.0
		1217	1035	6.0	5.0
	650	950	722	10.5	8.0
		958	737	11.0	18.0
HIP+rolled+HT	23	1139	967	9.5	8.0
		1137	976	12.5	13.0
	650	848	687	10.5	15.0
		843	678	13.0	23.0