surface spall

常见例句

The type of failure in operation is no longer the fatigue spall, but starts witt the surface damage.
使用中的失傚形式已不是疲勞剝落，大多是起始於表麪損傷一類的故障。
Variable intensity of fatigue lines may be seen in the deep areas of the spall indicating the propagation direction from the core to the barrel surface.
從斷裂表麪上我們可以看到許多疲勞截麪的傳播途逕。
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Propagation develops within the working surface of the roll, gradually increasing in depth and width followed by a large surface spall of the overlying barrel surface.
這種斷裂首先是在工作層中産生的，進而逐漸往輥身方曏變深變寬，最終導致輥身大麪積的剝落。
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