Buried flaw was found in FCB weld. CTOD test was performed on the weld sample.
用FCB法对船板钢进行焊接试验，发现在焊缝中存在内埋裂纹。
The CTOD toughness can be used as the basis to amend the conventional impact toughness criterion.
CTOD性能可作为修订常规冲击韧性标准的依据。
The dynamic plastic fracture toughness CTOD and its variation with different. crack propagation speeds.
塑性动态断裂韧性CTOD，及其在不同裂纹扩展速度下变化规律的测试。
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