| 挤压温度和挤压比对6063铝合金导热性能的影响 |
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| 引用本文： | 胡治流,罗付秋,张聪聪,彭斐.挤压温度和挤压比对6063铝合金导热性能的影响[J].铝加工,2011(5):30-33. |
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| 作者姓名： | 胡治流 罗付秋 张聪聪 彭斐 |
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| 作者单位： | 广西大学材料科学与工程学院,广西南宁,530004 |
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| 基金项目： | 广西自然科学基金项目(桂科基0991002) |
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| 摘 要： | 研究了挤压温度和挤压比对6063铝合金组织及导热性能的影响。结果表明：通过挤压能有效地改善该合金的组织,使得强化相Mg2 Si均匀弥散分布在α-Al基体上。随着挤压温度的增大,材料的热导率下降。当挤压比小于50时,材料的热导率随着挤压比的增大而增大;当挤压比大于50时,材料热导率下降。当挤压比为50,挤压温度为380℃时,材料有最大热导率221.2 W/（m.K）。
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| 关 键 词： | 6063铝合金 挤压温度 挤压比 热导率 |
Effect of Extrusion Temperature and Extrusion Ratio on Thermal Conductivity of 6063 Aluminum Alloy |
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| HU Zhi-liu,LUO Fu-qiu,ZHANG Cong-cong,PENG Fei.Effect of Extrusion Temperature and Extrusion Ratio on Thermal Conductivity of 6063 Aluminum Alloy[J].Aluminium Fabrication,2011(5):30-33. |
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| Authors: | HU Zhi-liu LUO Fu-qiu ZHANG Cong-cong PENG Fei |
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| Affiliation: | HU Zhi-liu,LUO Fu-qiu,ZHANG Cong-cong,PENG Fei(College of Materials Science and Engineering,Guangxi University,Nanning 530004,China) |
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| Abstract: | The effect of extrusion temperature and extrusion ratio on microstructure and thermal conductivity of 6063 aluminum alloy was investigated.The results show that the microstructure of 6063 aluminum alloy was effectively improved after extrusion,and the strengthening phase Mg2Si was uniformly dispersed in the α-Al matrix.The thermal conductivity of 6063 aluminum alloy obviously decreases with the increase of extrusion temperature.When extrusion ratio is less than 50,the thermal conductivity increases with the increase of extrusion ratio,while extrusion ratio is greater than 50,the thermal conductivity decreases with the extrusion ratio.When extrusion ratio is 50 and extrusion temperature is 380℃,thermal conductivity of the alloy can get to the maximum of 221.2W/（m·K）. |
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| Keywords: | 6063 aluminum alloy extrusion temperature extrusion ratio thermal conductivity |
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