| 纳米Ag-Fe合金的真空电弧特性 |
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| 引用本文： | 孔春才,刘轲,杨志懋. 纳米Ag-Fe合金的真空电弧特性[J]. 功能材料, 2009, 40(7) |
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| 作者姓名： | 孔春才 刘轲 杨志懋 |
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| 作者单位： | 西安交通大学理学院,物质非平衡合成与调控教育部重点实验室,陕西,西安,710049;西安交通大学理学院,物质非平衡合成与调控教育部重点实验室,陕西,西安,710049;西安交通大学理学院,物质非平衡合成与调控教育部重点实验室,陕西,西安,710049 |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助(2007AA03Z512);;国家自然科学基金重点资助项目(50834003,50537050) |
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| 摘 要： | 利用微乳液法制备出纳米复合Ag-Fe合金,在真空条件下,利用高速摄影机观测Ag-Fe系列合金的阴极斑点运动,采用示波仪记录放电电流曲线,并利用扫描电子显微镜观察电极表面烧蚀状况.研究结果表明:Fe纳米粒子的加入使得电弧分散,电孤的寿命增加,截流值降低.
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| 关 键 词： | 电弧 Ag-Fe合金 阴极斑点 |
Vacuum arc characteristics of nanosized Ag-Fe composite alloy |
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| KONG Chun-cai , LIU Ke , YANG Zhi-mao. Vacuum arc characteristics of nanosized Ag-Fe composite alloy[J]. Journal of Functional Materials, 2009, 40(7) |
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| Authors: | KONG Chun-cai LIU Ke YANG Zhi-mao |
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| Affiliation: | MOE Key Laboratory for Non-equilibrium Synthesis and Modutation of Condensed Matter;Key Laboratory of Ministry of Eduction;School of Science;Xi'an Jiaotong University;Xi'an 710049;China |
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| Abstract: | Nanosized Ag-Fe composite alloy was synthesized through reverse micelles microemulsion to measure the vacuum arc characteristics on this material.Vacuum arc cathode spots were observed by using high speed photography and oscillograph was used to record discharge current curve.The morphology of erosion on cathode after discharge was characterized by scanning electron microscopy(SEM).The result indicated that the arc spots was more dispersive,arc lifetime was more long,chopping current was smaller after iron ... |
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| Keywords: | vacuum arc Ag-Fe composite alloy cathode spots |
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