简介概要

Preparation of 6066/SiCp composites by multilayer spray deposition

来源期刊:中国有色金属学报(英文版)2001年第2期

论文作者:康智涛 陈振华

文章页码:200 - 204

Key words:multi-layer spray deposition; 6066 aluminium alloy; SiC particulate reinforced MMCs

Abstract: SiC particulate reinforced 6066 aluminium alloy metal matrix composites (MMCs) were prepared by multi layer spray forming. The preparation technology and process parameters were discussed. It is shown that SiC particulate can be continuously and evenly fed and co-deposited in the spray forming process. The reciprocally scanning movement of spraying system can make the SiC particulates distribute homogeneously in the composite. The ratio of SiC particulates captured by the metal matrix is influenced by process parameters, especially the metal flow rate. 6066/SiCp composite preforms of d300 mm×540 mm and tubes with a size of up to d650/d300 mm×1 000 mm were made by the same process. After extrusion and T6 heat treatment, the multi-layer spray deposited 6066/SiCp composites can achieve improved properties.



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