| 复合材料导电铝涂层的表面喷丸 |
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| 引用本文： | 王志平,王虎,丁坤英.复合材料导电铝涂层的表面喷丸[J].焊接技术,2011,40(2):5-7. |
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| 作者姓名： | 王志平 王虎 丁坤英 |
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| 作者单位： | 中国民航大学,理学院,天津,300300 |
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| 摘 要： | 在火焰喷涂过程中,金属Al的熔滴表面被氧化,在涂层中凝固时形成一层电绝缘的氧化物(Al2O3).同时涂层中的空隙都会影响Al涂层的导电性能.本文通过对涂层表面进行喷丸处理,从而细化熔滴颗粒,降低涂层孔隙率.提高涂层的导电性能.经过喷丸处理后的涂层,电阻可以减小至0.043mΩ,与未经过喷丸处理的涂层比较,电导率提高至1...
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| 关 键 词： | 火焰喷涂 复合材料导电涂层 氧化物 导电性能 |
Surface shot peening of Al conductive coating on composite materials |
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| WANG Zhi-ping,WANG Hu,DING Kun-ying.Surface shot peening of Al conductive coating on composite materials[J].Welding Technology,2011,40(2):5-7. |
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| Authors: | WANG Zhi-ping WANG Hu DING Kun-ying |
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| Affiliation: | WANG Zhi-ping,WANG Hu and DING Kun-ying (College of Science,Civil Aviation University of China,Tianjin 300300,China) |
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| Abstract: | The surfaces of Aluminum melt drops had been oxidized during the process of flame-spraying,a layer of nonconductive oxide(Al2O3) was formed while melt-drops solidified in the coating.Meanwhile,the voids in the coating had an effect on the conductive property of Al coating.In this paper,the melt-drop grains were refined by shot peening treatment on the coating surface,porosity of coating got minimized,and conductive property was also improved.Compared with un-shot peened coatings,the resistance of shot peene... |
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| Keywords: | flame-spraying composite materials conductive coating oxide conductive property |
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