Ti65合金的初级蠕变和稳态蠕变

岳颗,刘建荣,杨锐,王清江

Primary Creep and Steady-State Creep of Ti65 Alloy

Ke YUE,Jianrong LIU,Rui YANG,Qingjiang WANG

表2 不同蠕变条件下蠕变应变与稳态蠕变速率的统计

Table 2 Statistics of creep strains and steady-state creep rates

Test conditions ?s/h,×10-6 εin/% εinter/% εp/% (tos, h) 600℃ 120 MPa 0.73 0.138 0.353 0.420 (931 h) 140 MPa 1.26 0.147 0.352 0.446 (746 h) 160 MPa 3.08 0.176 0.322 0.451 (420 h) 630℃ 120 MPa 2.62 0.137 0.362 0.515 (576 h) 140 MPa 6.02 0.150 0.366 0.652 (470 h) 160 MPa 15.9 0.181 0.363 0.639 (191 h) 650℃ 120 MPa 5.67 0.132 0.392 0.668 (487 h) 140 MPa 25.5 0.160 0.393 0.811 (159 h) 160 MPa 42.7 0.215 0.301 0.610 (72 h)