In this article, three kinds of prealloy powder were developed by water atomization method.The base attribute, pattern, phase composition, differential thermal analysis of powder were researched.

• 本文采用水雾化法开发了三种预合金代钴粉末：对粉末的基本属性、形貌，粉末的相组成，粉末的差热性进行了分析研究；