本文主要介绍以MnO-SiO_2-FeO为渣系的陶质焊药的配制及其性能的鉴定与说明。该工作先后在大連机车车辆制造厂和鞍山金属结构厂进行过,在工作期间承蒙苏联专家斯卡昆的指导和中国科学院金属研究所斯重遥先生的帮助,特别是鞍山金属结构厂周祚多同志与试验室全体 This article mainly introduces the preparation of MnO-SiO_2-FeO slag-based ceramic welding agent and its performance identification and description. The work was successively carried out in Dalian Locomotive and Rolling Stock Works and Anshan Metal Structure Plant. During the working period, thanks to the guidance of Soviet expert Skakun and the help of Mr. Szhongyu from Institute of Metal Research, Chinese Academy of Sciences, the work of Anshan Metal Structure Factory, Comrade and laboratory all