摘要
In this paper, SiC particle reinforced aluminum metal matrix composite (SiCp/Al MMC) is welded with high power continuous wave CO2 laser. Microstructure of the laser beam welded SiCp/Al MMC is characterized as functions of laser processing parameters (laser power density, welding speed, shielding gas flow direction, etc). Results show that sound weld with few porosity can be produced by laser beam welding, while needle-like aluminum carbide is formed in the weld. The size and volume fraction of aluminum carbide are proportional to the laser power density. Direction of shielding gas flow has significant effect on weld surface quality and weld microstructure.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 443-447 |
| 页数 | 5 |
| 期刊 | Proceedings of SPIE - The International Society for Optical Engineering |
| 卷 | 3862 |
| DOI | |
| 出版状态 | 已出版 - 1999 |
| 活动 | Proceedings of the 1999 International Conference on Industrial Lasers (IL '99) - Wuhan, China 期限: 22 10月 1999 → 27 10月 1999 |
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