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约束阴极微弧氧化放电特性研究

张欣盟 田修波 巩春志 杨士勤

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约束阴极微弧氧化放电特性研究

张欣盟, 田修波, 巩春志, 杨士勤

Discharge characteristics of confined cathode micro-arc oxidation

Zhang Xin-Meng, Tian Xiu-Bo, Gong Chun-Zhi, Yang Shi-Qin
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  • 利用Na2SiO3-KOH溶液体系,以工业纯铝为基体材料对约束阴极微弧氧化的放电特性进行了研究.考察了恒压模式下电极距离对氧化电流、电位分布及起弧电压的影响,并对电极距离与微弧氧化电能利用率间的关系进行了分析. 结果表明:对于阴阳极等约束条件下,随阴阳极距离加大,工作电流逐渐减小. 而对于仅约束阴极情况,工作电流随着阴阳极间距增加而增大. 这是由于增加阴阳极间距时,虽然约束阴极正下方试样表面的电场强度降低,工作电流减小,但远离约束电极处,阳极表面电场强度却增加,工作电流增大. 起弧电压随电极间距离的增大而升高,但阳极表面电场强度几乎保持不变. 微弧氧化陶瓷层厚度由处理中心沿半径向外逐渐变薄,且中心处陶瓷膜厚度随电极距离的增大迅速减小,电能利用率随之降低.
    Confined cathode micro-arc oxidation (CCMAO) has been investigated in Na2SiO3-KOH solution with industrial pure aluminum as substrate materials. The effects of the electrode distance (ED) on working current, potential distribution, arcing voltage and so on have been focused on. The energy efficiency as a function of ED has also been evaluated. The results show the working current decreases with increasing ED for the same exposure area of confined cathode and anode. However, the working current increases with increasing ED with only the cathode confined. It is attributed to different electrical field on the anode surface. With increasing ED, the electrical field beneath the confined cathode decreases while that far from the cathode increases. This leads to a different total working current. The arcing voltage increases with increasing ED while the effective voltage on anode surface nearly keeps constant. The thickness of the ceramic coating produced at a small ED is much higher than that at a larger ED. The energy consumption per unit volume of oxides by CCMAO indicates that smaller ED leads to higher energy efficiency.
    • 基金项目: 国家自然科学基金(批准号: 50773015),教育部新世纪优秀人才支持计划(批注号: NCET-05-0349),哈尔滨市科技创新人才研究专项基金(批注号: 2006RFXXS012)资助的课题.
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    Curran J A,Clyne T W 2005 Surf. Coat. Technol. 199 177

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    Han Y,Yan Y Y,Lu C G,Zhang Y M, Xu K W 2009 J. Biomed. Mater. Res. 88A 117

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    Li Y,Lee I S,Cui F Z,Choi S H 2008 Biomaterials 29 2025

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    Wu H H,Wang J B,Long B Y,Lü X Y, Long B H, Jin Z S, Bai Y Z, Bi D M 2005 Acta Phys. Sin. 54 5743 (in Chinese) [吴汉华、汪剑波、龙北玉、吕宪义、龙北红、金曾孙、白亦真、毕冬梅 2005 物理学报 54 5743]

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    Xue W B, Wang C, Li Y L, Deng Z W, Chen R Y, Zhang T H 2002 Mater. Lett. 56 737

    [13]

    Gu W C,Lü G H,Chen H,Chen G L,Feng W R,Zhang G L,Yang S Z 2007 Acta Phys. Sin. 56 2337 (in Chinese) [顾伟超、吕国华、陈 睆、陈光量、冯文然、张谷令、杨思泽 2007 物理学报 56 2337]

    [14]

    Zozulin A J,Bartak D E 1994 Met. Finish. 92 39

    [15]

    Wang Y M,Jiang B L,Lei T Q 2004 Mater. Lett. 58 1907

    [16]

    Butyagin P I,Khokhryakov Y V,Mamaev A I 2003 Mater. Lett. 57 1748

    [17]

    Yerokhin A L,Snizhko L O,Gurevina N L,Leyland A,Pilkington A,Matthews A 2003 J. phys. D: Appl. Phys. 36 2110

    [18]

    Wang L S,Pan C X,Cai Q Z,Wei B K 2007 Acta Phys. Sin. 56 5341(in Chinese) [王立世、潘春旭、蔡启舟、魏伯康 2007 物理学报 56 5341 ]

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    Kalkanci H,Kurnaz S C 2008 Surf. Coat. Technol. 203 15

  • [1]

    Yerokhin A L,Nie X,Leyland A, Matthews A,Dowey S J 1999 Surf. Coat. Technol. 122 73

    [2]

    Chen F,Zhou H,Yao B, Qin Z, Zhang Q F 2007 Surf. Coat. Technol. 201 4905

    [3]

    Barik R C,Wharton J A,Wood R J K, Stokes K R,Jones R L 2005 Surf. Coat. Technol. 199 158

    [4]

    Jiang B L, Zhang X F 2005 Rare Metal Materials and Engineering 34 393 (in Chinese) [蒋百灵、张先锋 2005 稀有金属材料与工程 34 393]

    [5]

    Yerokhin A L,Shatrov A,Samsonov V,Shashkov P,Pilkington A,Leyland A,Matthews A 2005 Surf. Coat. Technol. 199 150

    [6]

    Wang Y,Wang M L,Zhou F, Ding H Y,Dai Z D 2007 Chin. J. Nonferr. Met. 17 1266 (in Chinese) [王 远、 王美玲、周 飞、丁红燕、戴振东 2007 中国有色金属学报 17 1266]

    [7]

    Ryu H S,Song W H,Hong S H 2005 Curr. Appl. Phys. 5 512

    [8]

    Curran J A,Clyne T W 2005 Surf. Coat. Technol. 199 177

    [9]

    Han Y,Yan Y Y,Lu C G,Zhang Y M, Xu K W 2009 J. Biomed. Mater. Res. 88A 117

    [10]

    Li Y,Lee I S,Cui F Z,Choi S H 2008 Biomaterials 29 2025

    [11]

    Wu H H,Wang J B,Long B Y,Lü X Y, Long B H, Jin Z S, Bai Y Z, Bi D M 2005 Acta Phys. Sin. 54 5743 (in Chinese) [吴汉华、汪剑波、龙北玉、吕宪义、龙北红、金曾孙、白亦真、毕冬梅 2005 物理学报 54 5743]

    [12]

    Xue W B, Wang C, Li Y L, Deng Z W, Chen R Y, Zhang T H 2002 Mater. Lett. 56 737

    [13]

    Gu W C,Lü G H,Chen H,Chen G L,Feng W R,Zhang G L,Yang S Z 2007 Acta Phys. Sin. 56 2337 (in Chinese) [顾伟超、吕国华、陈 睆、陈光量、冯文然、张谷令、杨思泽 2007 物理学报 56 2337]

    [14]

    Zozulin A J,Bartak D E 1994 Met. Finish. 92 39

    [15]

    Wang Y M,Jiang B L,Lei T Q 2004 Mater. Lett. 58 1907

    [16]

    Butyagin P I,Khokhryakov Y V,Mamaev A I 2003 Mater. Lett. 57 1748

    [17]

    Yerokhin A L,Snizhko L O,Gurevina N L,Leyland A,Pilkington A,Matthews A 2003 J. phys. D: Appl. Phys. 36 2110

    [18]

    Wang L S,Pan C X,Cai Q Z,Wei B K 2007 Acta Phys. Sin. 56 5341(in Chinese) [王立世、潘春旭、蔡启舟、魏伯康 2007 物理学报 56 5341 ]

    [19]

    Kalkanci H,Kurnaz S C 2008 Surf. Coat. Technol. 203 15

计量
  • 文章访问数:  8019
  • PDF下载量:  1395
  • 被引次数: 0
出版历程
  • 收稿日期:  2009-05-31
  • 修回日期:  2009-09-21
  • 刊出日期:  2010-04-05

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