Preparation of large size aluminium alloy cylindrical preforms by multi-layer spray deposition
Preparation of large size aluminium alloy cylindrical preforms by multi-layer spray deposition作者机构：Cent S Univ Technol Non Equilibrium Mat Res Inst Changsha 410083 Peoples R China
出 版 物：《中国有色金属学会会刊：英文版》 (Transactions of Nonferrous Metals Society of China)
年 卷 期：2000年第10卷第2期
页 面：196-199页
核心收录：
学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）]
主 题：multi-layer spray deposition vertical spray tilted spray
摘 要：Preparation of large scale aluminium alloy cylindrical preforms have been studied by the methods of vertical spray deposition and tilted spray deposition respectively. The results show that aluminium alloy cylindrical preforms of a size up to d 320 mm×500 mm can take shape well by applying multi layer tilted spray deposition technology if the process is controlled properly. The spray system scans in a radius ranging from the center to the rim of the preform, and the velocity is inversely proportional to the displacement. The multi layer deposited preforms exhibit high cooling rate. The larger the diameter is and the higher the cooling rate and yield are.
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