应力比对含缺陷选区激光熔化TC4合金稳态疲劳裂纹扩展速率的影响 |
戚钊, 王斌, 张鹏, 刘睿, 张振军, 张哲峰 |
Effects of Stress Ratio on the Fatigue Crack Growth Rate Under Steady State of Selective Laser Melted TC4 Alloy with Defects |
QI Zhao, WANG Bin, ZHANG Peng, LIU Rui, ZHANG Zhenjun, ZHANG Zhefeng |
图8 SD试样在R = 0.1、0.3和0.5时,ΔK = 10和15 MPa·m1/2处疲劳断口的SEM像 |
Fig.8 SEM images of fractographies of SD specimens at ΔK = 10 MPa·m1/2 (a, c, e) and 15 MPa·m1/2 (b, d, f) with R = 0.1 (a, b), 0.3 (c, d), and 0.5 (e, f) |
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