Effects of electron beam surface remelting and solidification on the microstructure and hardness of Crl2MoV steel are studied by means of an optical microscope and a Vickers hardness tester.

• 本文采用电子束对Cr12MoV模具钢进行表面熔凝处理,并利用光学显微镜及显微硬度计等研究了材料在电子束表面熔凝处理后的显微组织及硬度变化规律。