penetrant flaw detection meaning in English

渗透探伤

Nondestructive testing method for octg liquid penetrant flaw detection for nonferrous magnetic thread
油井管无损检测方法非铁磁体螺纹渗透探伤
In this paper , regarding nondestructive testing of surface defects ( for example , grinding - cracks of solid carbide cutting tools etc ) , we emphatically analyze post emulsification fluorescence penetrant flaw detection method and application in the field of quantity controlling for solid carbide cutting tools , and we put forward procedure process and procedure parameter of fluorescence penetrant flaw detection for cutting tools
摘要针对整体硬质合金刀具磨削裂纹等表面缺陷的无损检测，重点分析和讨论了后乳化型荧光渗透探伤法及其在整体硬质合金刀具质量保障技术领域中的应用情况，并确定了刀具的荧光渗透检测工艺流程和工艺参数。