疲勞機制研究 (IMAGE)

City University of Hong Kong

疲勞機制研究

Caption

在最大應力為 260 MPa（R = 0.1）的條件下對試樣進行 107 次（1,000萬次）疲勞測試後的疲勞機制研究︰(A) 樣本在疲勞測試後未發現明顯裂紋；(B - C) 通過μ-CT引導的激光定位切削後，曝露出的P1橫切面；(D - H）孔洞周圍的亞微米共晶網絡基本保持完整，網絡結構內的位錯運動受到限制。

Credit

Dan, C. et al, source: https://doi.org/10.1038/s41563-023-01651-9

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