最近二十年来,合金钢中的碳化物受到许多科学工作者的重视和研究,这促进了我们对于现有合金钢的了解,并为发展新钢种提供了有用的数据。本文综合报导作者在这方面的研究工作的主要结果;首先综述过渡族金属的碳化物及在碳钢回火过程中所生成的铁碳化合物,继之间明在低合金钢中合金元素在渗碳体和铁素体两相中的分配,最后讨论在高合金钢中合金碳化物的生成及其与次生硬化的关系。 Carbides in alloy steels have been valued and researched by many scientists for the last two decades, which has contributed to our understanding of existing alloy steels and provided useful data for the development of new steels. This article comprehensively reports the main results of the author’s research work in this field. Firstly, the carbides of transitional metals and the iron-carbon compounds generated during the tempering of carbon steel are reviewed. Then the alloying elements in the low-alloy steel Carbon and ferrite phase distribution, and finally discuss the formation of alloy carbides in high-alloy steel and its relationship with secondary hardening.