(1. 哈尔滨工业大学 材料科学与工程学院，哈尔滨 1500012. 佛山市地天泰新材料技术有限公司，佛山 528000)
摘 要:
关键字: Al-Sn预合金粉末；金刚石工具；热压性能
（1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;2. Foshan Ditiantai Advanced Materials and Technology Co., LTD, Foshan 528000, China）
Abstract:The Al-Sn pre-alloyed was prepared by close-coupled gas atomization technique. The morphology, hot press performance, oxidation resistance of Al-Sn pre-alloyed powder and its application in the diamond-grinding wheel was studied. The results show that the Al-Sn pre-alloyed powder is mainly spheroid, and its oxidation resistance is improved by two times compared with the Al and Sn mixed powder. The hot press temperature of the pre-alloyed powder is 50 ℃ lower than the mixed powder with the same composition. The structure of the Al-based diamond grinding wheel is uniform after hot press. The SEM observation shows that the elemental distribution is improved by using Al-Sn pre-alloyed powder.
Key words: Al-Sn pre-alloyed powder; diamond tool; hot press performance
