热等静压温度和粉末粒度对Ti2AlNb合金组织与性能的影响
刘巧沐1,吴杰2,陈玉龙1,陈乾明1,裴会平1,徐磊2()
Effect of Temperature and Powder Particle Size on Mechanical Properties and Microstructure of PM Ti2AlNb Alloy Prepared via Hot Isostatic Pressing
Qiaomu LIU1,Jie WU2,Yulong CHEN1,Qianming CHEN1,Huiping PEI1,Lei XU2()

图4. 不同热等静压温度下的粉末Ti2AlNb合金经浸蚀后的显微组织

Fig.4. Microstructure of PM Ti2AlNb alloy after HIPing at (a) 920℃/130 MPa/3 h, (b) 980℃/140 MPa/3 h, (c) 1010℃/140 MPa/3 h, (d) 1030oC/140 MPa/3 h, (e) 1080℃/140 MPa/3 h, (f) 1165℃/140 MPa/3 h. PPB refers to previous particle boundary