第二代单晶高温合金高周疲劳行为研究
李嘉荣(
),谢洪吉,韩梅,刘世忠
),谢洪吉,韩梅,刘世忠
High Cycle Fatigue Behavior of Second Generation Single Crystal Superalloy
LI Jiarong(),XIE Hongji,HAN Mei,LIU Shizhong
),XIE Hongji,HAN Mei,LIU Shizhong
图9. 760和980 ℃条件下DD5合金疲劳断口纵剖面显微组织的SEM像
Fig.9. SEM images of longitudinal sections near the fatigue fracture surface of DD5 alloy specimens(a~c) 760 ℃, σa=400 MPa, Nf =1.41×106 cyc (d~f) 980 ℃, σa=400 MPa, Nf =8.48×106 cyc
