通过改变焊缝夏比冲击试样的缺口取向，研究了缺口位向对多层焊缝金属韧性及断裂过程的影响。

By changing the nolch local ion of Charpy impact test specimens studied the effect of nolch location on toughness and cracking process in multi-layer welds.

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对夏比摆锤式冲击试验，一组三个试样的试验结果不符合要求，仅一个较低值低于70%，应取三个试样进行附加试验。

For Charpy impacts tests, where the results from a set of three specimens do not comply with the requirements, with only one lower value below 70 %, three additional specimens shall be taken.

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夏比(V型缺口)冲击试验：用规定高度的摆锤对处于简支梁状态的V型缺口试样进行一次性打击，测量试样折断时冲击吸收功的试验。

Charpy impact test (V gap) : the specified height of pendulum of the one-time blow to V notched specimens in beam state, test specimen is broken by the impact absorbing energy.

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