Fluorescent magnetic particle detection is a NDT method that often used for testing trivial flaws on the surface of ferromagnetic materials in order to control the qualities of product.

• 荧光磁粉探伤是一种常用的无损检测方法，用于检测钢制零件的表面及近表面的裂纹缺陷，长期以来一直被认为是表面裂纹检测最灵敏的方法之一。