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首页> 外文会议>International Conference on Metal Forming >Filling of Surface Pores on Aluminum Foam with Aluminum Powder by Selective Laser Melting
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Filling of Surface Pores on Aluminum Foam with Aluminum Powder by Selective Laser Melting

机译：选择性激光熔化用铝粉填充铝泡沫表面孔隙

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摘要

To improve mechanical properties of a closed-cell type aluminum foam, the surface pores are filled with aluminum powder by selective laser melting (SLM). The relationship between the laser irradiation conditions and solidification characteristics of aluminum powder is investigated with one-line laser irradiation on the aluminum powder with a thickness of 5 mm. The aluminum powder is continuously melted and solidified with laser spot diameter of 0.6 mm and scanning speed of 10-20 mm/s. According to the successful melting and solidification conditions, the SLM is applied to the surface pores of a closed-cell type aluminum foam supplied with aluminum powder. The supplied aluminum powder is confirmed to be successfully melted and welded to the aluminum foam. As the result, the aluminum foam with nonporous surface layer (sandwich structure) is fabricated by the SLM with aluminum powder. The compressive behavior of the fabricated aluminum foam with nonporous surface layer is investigated.
机译：为了改善闭孔型铝泡沫的机械性能，通过选择性激光熔化（SLM），表面孔用铝粉填充。 用厚度为5mm的铝粉对铝粉的激光照射条件与铝粉凝固特性的关系。 铝粉末连续熔化并以激光点直径为0.6mm，扫描速度为10-20mm / s。 根据成功的熔化和凝固条件，SLM施加到用铝粉供应的闭孔型铝泡沫的表面孔。 确认供应的铝粉末成功熔化并焊接到铝泡沫中。 结果，通过用铝粉制造具有无孔表面层（夹层结构）的铝泡沫。 研究了具有无孔表面层的制造铝泡沫的压缩行为。

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