在超声作用条件下以复合电镀法制备了Ni-ZrO2纳米复合镀层,用X射线衍射仪和扫描电镜分别对镀层的结晶取向和表面形貌等微观结构进行了分析,并对镀层的显微硬度进行了测试.结果表明:与不加超声相比,在超声作用下制备的Ni-ZrO2纳米复合镀层也在(2 0 0)晶面形成择优取向,但其晶面相对织构系数明显提高,达到93%;由于超声强力搅拌和超声空化效应,在超声作用下制备的Ni-ZrO2纳米复合镀层的晶粒尺寸细小、组织均匀致密;其显微硬度较高,达到602 HV,比无超声(497 HV)时的有大幅度提高.
所属栏目
纳米材料国家自然科学基金资助项目(50775067);教育部科学技术研究重点项目(208079)
收稿日期
2009/6/32009/12/29
作者单位
申晨:河南科技大学机电工程学院, 洛阳 471003
薛玉君:河南科技大学机电工程学院, 洛阳 471003河南省机械设计及传动系统重点实验室, 洛阳 471003
库祥臣:河南科技大学机电工程学院, 洛阳 471003
刘义:河南科技大学机电工程学院, 洛阳 471003
李济顺:河南科技大学机电工程学院, 洛阳 471003河南省机械设计及传动系统重点实验室, 洛阳 471003
备注
申晨(1985-),男,河南商丘人,硕士研究生.
引用该论文:
SHEN Chen,XUE Yu-jun,KU Xiang-chen,LIU Yi,LI Ji-shun.Effect of Ultrasonic on Microstructure and Microhardness of Ni-ZrO2 Nanocomposite Coating[J].Materials for mechancial engineering,2010,34(7):80～83
申晨,薛玉君,库祥臣,刘义,李济顺.超声波对Ni-ZrO2纳米复合镀层微观结构和显微硬度的影响[J].机械工程材料,2010,34(7):80～83
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