| 激光熔覆修复铜合金零件的工艺研究 |
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| 引用本文： | 葛志军,邓琦林,宋建丽,陈畅源. 激光熔覆修复铜合金零件的工艺研究[J]. 电加工与模具, 2007, 0(1): 39-40,68 |
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| 作者姓名： | 葛志军 邓琦林 宋建丽 陈畅源 |
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| 作者单位： | 上海交通大学机械与动力工程学院,上海,200240;上海交通大学机械与动力工程学院,上海,200240;上海交通大学机械与动力工程学院,上海,200240;上海交通大学机械与动力工程学院,上海,200240 |
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| 摘 要： | 研究了铜合金表面激光熔覆修复工艺和熔覆层组织.结果表明,采用优化的激光功率和扫描速度,可在黄铜基体表面熔覆与基体呈冶金结合、无裂纹的锡青铜合金修复涂层;其熔覆层组织具有快速凝固特征,熔覆层从下到上分别为细小胞状晶、粗大树枝晶、细小枝晶和胞状晶组织.
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| 关 键 词： | 激光熔覆 修复 铜合金 锡青铜 |
| 修稿时间： | 2006-09-19 |
Technological Research on Repairing the Damaged Copper Alloy Parts by Use of Laser Cladding |
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| Ge Zhijun,Deng Qilin,Song Jianli,Chen Changyuan. Technological Research on Repairing the Damaged Copper Alloy Parts by Use of Laser Cladding[J]. Electromachining & Mould, 2007, 0(1): 39-40,68 |
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| Authors: | Ge Zhijun Deng Qilin Song Jianli Chen Changyuan |
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| Affiliation: | Shanghai Jiaotong University, Shanghai 200240, China |
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| Abstract: | The craft and microstructure of laser cladding on copper alloy surface were studied. The result indicated that a non-crack tin bronze coating which has a metallurgy union with the substrate was obtained on the brass substrate by using the optimal laser power and scanning velocity. And the clad coating has a character of rapid solidification structure. The distribution of the structure is fine butcher shape crystal, thick branch crystal , thin branch crystal and butcher shape crystal from the bottom to the top of the cladding coating. |
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| Keywords: | laser cladding repairing copper alloy tin bronze |
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