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51问答网 > 超声波探伤探头的主要性能指标有哪些？

超声波探伤探头的主要性能指标有哪些？

2025-03-15 02:11:32

推荐回答（1个）

回答1：

（1）斜探头的入射点：是指其主声束轴线与探测面的交点，入射点至探头前沿的距离称为探头前沿长度，测定入射点和前沿长度是为了便于对缺陷定位和测定年产值头的K值。
（2）斜探头K值和折射角βs：斜探头K值是指被探工件中横波折射角βs的正切值，K=tgβs。
（3）探头主声束偏离：是指探头实际主声束与其理论几何中心轴线的偏离程度，常用偏离角来表示。

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