一种含复合夹杂物的贝马复相钢疲劳开裂机制
Mechanism of Fatigue Crack Initiation Induced by Complex Inclusions in Bainite-Martensite Dual-phase Steel
一种含复合夹杂物的贝马复相钢疲劳开裂机制 |
| 谢贞俊, 朱艳坤, 赵振凯, 陆彦地, 周相海, 曹明, 张鹏, 张哲峰 |
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Mechanism of Fatigue Crack Initiation Induced by Complex Inclusions in Bainite-Martensite Dual-phase Steel |
| XIE Zhenjun, ZHU Yankun, ZHAO Zhenkai, LU Yandi, ZHOU Xianghai, CAO Ming, ZHANG Peng, ZHANG Zhefeng |
| 图7 表面夹杂诱导裂纹萌生样品断口的SEM图像(σa = 560 MPa, Nf = 639427) |
| Fig.7 SEM micrographs of the fracture surface showing surface inclusion-induced crack initiation (σa = 560 MPa, Nf = 639427) (a) macroscopic fracture morphology, (b) morphology of the inclusion at the crack initiation site, (c) EDS analysis result of the inclusion |
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