热等静压参数对<strong>Ti<sub>2</sub>AlNb</strong>粉末合金力学性能的影响

热等静压参数对Ti₂AlNb粉末合金力学性能的影响

李冰冰, 徐磊, 尹一峰, 田晓生, 卢正冠, 吴杰

Effect of Process Parameters on Microstructure and Mechanical Properties of Hot Isostatic Pressing Powder Ti₂AlNb Alloy

LI Bingbing, XU Lei, YIN Yifeng, TIAN Xiaosheng, LU Zhengguan, WU Jie

表2 制备粉末Ti₂AlNb合金的HIP工艺参数

Table 2 HIP parameters of powder metallurgy Ti₂AlNb alloy

Process	Temperature	Pressure	Holding time	Cooling method
HIP1	1010 ^oC/1 h $\frac{3^{o} C / m i n}{}$ 1030 ^oC	140-150 MPa	3 h	Furnace cooling
HIP2	1010 ^oC/1 h $\frac{3^{o} C / m i n}{}$ 1050 ^oC	140-150 MPa	3 h	Furnace cooling
HIP3	1010 ^oC/1 h $\frac{3^{o} C / m i n}{}$ 1030 ^oC	140-150 MPa	5 h	Furnace cooling
Secondary HIP	930 ^oC/2 h $\frac{3^{o} C / m i n}{}$ 1010 ^oC	140-150 MPa	1 h	Controlled cooling