镍铬合金表面的微弧氧化陶瓷膜对镍离子析出的影响

J4 ›› 2012, Vol. 50 ›› Issue (05): 1029-1032.

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Effect of |Microarc Oxidation Ceramic Membrane on NiCr Alloy on the Release of Ni Ions

YU Weixian^1,2, ZHANG Yufeng³, ZHANG Yingjie⁴, ZHANG Xinjia², WANG Wentian⁵, LIU Xinchan^6

1. Laboratory of Mechanism of Tooth Development and Bone Remodeling and Regeration, School of Stomatology, Jilin University, |Changchun 130021, China|2. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150090, China|3. Department of Prosthodontics, School of Stomatology, Jilin University, Changchun 130021, China|4. Department of Operating Room ChinaJapan Union Hospital, Jilin University, Changchun 130033, China|5. Department of Anesthesiology, School of Stomatology, Jilin University, Changchun 130021, China|6. School of Stomatology, Beihua University, Jilin 132013, Jilin Province, China

Received:2011-09-21 Online:2012-09-26 Published:2012-09-29
Contact: ZHANG Yingjie E-mail:zhangyingjie@163.com

Abstract

Abstract:

The effect of microarc oxidation ceramic membrane on NiCr alloy on the release of Ni ions by means of microarc oxidation was studied with NaAlO₂and Na₅P₃O₁₀ as electrolytes. The membrane was characterized by means of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The corrosion resistance and the release of Ni ions from NiCr alloy were analyzed by electrochemical test and ICP-OES. The results indicate that the major crystalline phase on NiCr alloy is γ-Al₂O₃, which can prevent Ni ions from release and improve the corrosion resistance of NiCr alloy.

Key words: NiCr alloy, microarc oxidation, ceramic coating, Ni ion, release, corrosion resistance

CLC Number:

TB383

XU Wei-Xian, ZHANG Yu-Feng, ZHANG Ying-Jie, ZHANG Xin-Jia, WANG Wen-Tian, LIU Xin-Chan. Effect of |Microarc Oxidation Ceramic Membrane on NiCr Alloy on the Release of Ni Ions[J].J4, 2012, 50(05): 1029-1032.

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Effect of |Microarc Oxidation Ceramic Membrane on NiCr Alloy on the Release of Ni Ions

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