本SAE信息报告的范围是提供有关无损检测用磁粉性质和用途的一般信息。本文件无意提供详细的技术信息，但将作为磁粉检测理论和能力的介绍，并作为更广泛参考的指南。

The scope of this SAE Information Report is to provide general information relative to the nature and use of magnetic particles for nondestructive testing. The document is not intended to provide detailed technical information, but will serve as an introduction to the theory and capabilities of magnetic particle testing, and as a guide to more extensive references.