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针对横波法探伤丝扣裂纹存在的主要矛盾,提出以丝扣波为基准的半波高度衰减法作为丝扣裂纹的判伤的起始灵敏度,探索这种方法的理论依据,并通过人工缺陷和实际裂纹的试验,使其可靠性得到了验证。
Aimed at the main contradiction of flaw detection by shear wave method, the half-wave height attenuation method based on suture wave is proposed as the initial sensitivity of the determination of flaw crack. The theoretical basis of this method is explored. The actual crack test, its reliability has been verified.