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| testing无损检测中的渗透剂法 (一种基本上不需要仪器，也不依赖辐射的无损检测法。在被测物体上任意涂一层特殊的渗透材料，它可以渗透到细小的裂纹中。然后,清除物体所有表面的渗透剂，再涂上一层显影剂。显影剂干燥后形成白色的薄膜上形成亮红色或荧光色指示。缺陷的大小可以用颜色的深浅、流出的速度以及可观察到的尺寸来指示。又称 dye penetrate testing (染料渗透剂检测)) | |||
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penetrate method of nondestructive : 2 phrases in 1 subject |
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