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本文通过制做焊缝裂纹试板 ,并进行不同角度的射线透照 ,对裂纹的可检出角进行了探讨 ,强调了执行 GB332 3— 87及 JB4730— 94标准对 K值的要求的重要性。
In this paper, weld crack test board is made, and different angles of radiography, the detectable angle of cracks were discussed, emphasizing the implementation of GB332 3-87 and JB4730-94 standard K value of the importance of .