magnetic particle inspection

基本解释

The design, structure, development, test and application of standard test blocks types B and E for magnetic particle inspection were described.
介绍磁粉检验用B型和E型标准试块的设计、结构、研制、试验和应用。
It is solving these key problems that makes a new way for automatically distinguishing defects on test workpiece surface with magnetic particle inspection.
这些技术关键的解决，为实现试件缺陷的全自动辨识提供了依据和途径。
The common methods of drilling rods testing include magnetic particle inspection, permeability testing, radial testing and ultrasonic testing, but these methods all have considerable deficiencies.
检测钻具缺陷的常用方法有磁粉探伤、渗透检测、射线检测、超声波检测，都存在不足。

a method of testing for cracks and other defects in a magnetic material, such as steel, by covering it with a magnetic powder and magnetizing it: any variation in the concentration of the powder indicates a flaw in the material