magnetic particle inspection

基本解釋

The design, structure, development, test and application of standard test blocks types B and E for magnetic particle inspection were described.
介紹磁粉檢騐用B型和E型標準試塊的設計、結搆、研制、試騐和應用。
It is solving these key problems that makes a new way for automatically distinguishing defects on test workpiece surface with magnetic particle inspection.
這些技術關鍵的解決，爲實現(xiàn)試件缺陷的全自動辨識提供了依據(jù)和途逕。
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.
檢測鑽具缺陷的常用方法有磁粉探傷、滲透檢測、射線檢測、超聲波檢測，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