烧结温度对TC4合金的微观结构和力学性能的影响

杨军,张家敏,马文瑾,杜立辉,易健宏,甘国友,游昕,李凤仙

Effect of Sintering Temperature on Microstructure and Mechanical Properties of TC4 Alloy

Jun YANG,Jiamin ZHANG,Wenjin MA,Lihui DU,Jianhong YI,Guoyou GAN,Xin YOU,Fengxian LI

表2 TiH2-6Al-4V试样的力学性能

Table 2 Tensile properties of TiH2-6Al-4V sample

Sintering conditions Rm/MPa RP0.2/MPa δ/% HV 1100℃-1.5 h 848.1 792.4 7.1 313.2 1150℃-1.5 h 914.1 861.8 7.6 355.5 1200℃-1.5 h 719.3 663.6 6.2 334.9 1100℃-2 h 902.4 852.7 6.2 345.8 1150℃-2 h 853.2 791.3 8.2 346.6 1200℃-2 h 769.0 696.2 8.7 337.3 1100℃-2.5 h 894.0 846.3 8.1 364.8 1150℃-2.5 h 909.1 854.0 9.4 353.3 1200℃-2.5 h 820.2 764.0 9.1 363.7