An indentation method using a rigid ball to determine the brittleness of nitrided la yer was studied and compared with that of the tradition al method by evaluation of the impression made by a Vicker pyramid.

• 研究了用刚性球体压入渗氮层表面测定渗氮层脆性的方法，并与传统的维氏硬度压痕法进行了对比。