| 铝合金真空钎焊接头组织分析 |
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| 引用本文： | 曹秀丽,王承志,李亚江. 铝合金真空钎焊接头组织分析[J]. 沈阳理工大学学报, 2005, 24(3): 10-14 |
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| 作者姓名： | 曹秀丽 王承志 李亚江 |
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| 作者单位： | 1. 沈阳理工大学,材料科学与工程学院,辽宁,沈阳,110168
2. 山东大学 |
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| 摘 要： | LT-3铝合金是一种三层包覆合金，主要用于铝制冷却器、散热器的真空钎焊．利用金相显微镜观察了钎缝中生成的显微组织，利用显微硬度计对钎焊接头的显微硬度进行了测量，并进行了X射线衍射试验．试验结果表明，在钎缝中生成了网状的共晶组织，钎缝处的显微硬度比芯层的显微硬度高．
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| 关 键 词： | LT-3铝合金 真空钎焊 显微组织 显微硬度 |
| 文章编号： | 1003-1251(2005)03-0010-05 |
| 收稿时间： | 2004-10-20 |
| 修稿时间： | 2004-10-20 |
Microstructure Analysis of Aluminum Alloy Vacuum Brazing Joints |
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| CAO Xiu-li,WANG Cheng-zhi,LI Ya-jiang. Microstructure Analysis of Aluminum Alloy Vacuum Brazing Joints[J]. Transactions of Shenyang Ligong University, 2005, 24(3): 10-14 |
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| Authors: | CAO Xiu-li WANG Cheng-zhi LI Ya-jiang |
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| Affiliation: | 1. Shenyang Ligong University , Shenyang 100168 ,China; 2. Shandong University |
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| Abstract: | LT-3 aluminum alloy is a kind of three-layer cladding aluminum alloy. It is mainly used in the vacuum brazing of radiator and cooler. The microstructure characteristics in the vacuum-brazing joint of LT-3 aluminum alloy is analyzed by metallographical microscope and micro-hardness. The test results indicate that netshape eutectic structure is formed in the brazing beam. And the micro-hardness of the brazing beam is higher than that of the core layer metal. |
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| Keywords: | LT-3 aluminum alloy vacuum brazing microstructure micro-hardness |
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