吴振强,夏原,关永军

• 1:中国科学院力学研究所
• 2:中国科学院力学研究所
• 3:中国科学院力学研究所 北京100080
• 4:北京100080

摘要(Abstract)：

采用有限元方法分析法向均布接触载荷作用下,铝层对热浸铝/等离子体电解氧化(HDA/PEO)复合涂层表面和界面处应力场的影响,并与梯度涂层和单层涂层作了对比分析。计算表明:铝层的存在,使复合涂层表面的拉应力有所增大,同时可缓解界面处的剪切应力。研究结果表明:固定陶瓷层和FeAl层厚度不变,当铝层与涂层总厚度比为0.06-0.1时,涂层表面拉应力和界面剪切应力值均较低,可改善复合涂层的综合力学性能。

关键词(KeyWords)： 钢基;铝层;复合涂层;界面应力;有限元分析

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50071066)

作者(Author): 吴振强,夏原,关永军

参考文献(References)：

• [1]Yerokhin A L,Nie X,et al.Plasma electrolysis for surface engineering[J].Surface and Coatings Technology,1999,122:73-93.
• [2]Wenbin Xue,Zhiwei Deng,et al.Growth regularity of ceramic coatings formed by microarc oxidation on Al-Cu-Mg alloy[J].Thin Solid Films,2000,372:114-117.
• [3]关永军,夏原.等离子体电解沉积的研究现状[J].力学进展,2004,34(2):237-250.Guan Yong-jun,Xia Yuan.Review on plasma electrolytic depositon[J].Advances in Mechanics,2004,34(2):237-250.
• [4]Yu Sheng-xue,Xia Yuan,et al.Formation and structure of composite coating of HDA and micro-plasma oxidation on A3 steel[C].Transaction of NonferrousMetals Society of China,2004,14,Suppl.2:310-314.
• [5]解世岳,王从曾,等.碳钢热浸铝及微弧氧化研究[J].轻合金加工技术,2003,31(9):35-38.Xie Shi-yue,Wang Cong-zeng,et al.Research of hot-dip aluminum and micro arc oxidation on surface of carbon steel[J].Light Alloy Fabrication Technology,2003,31(9):35-38.
• [6]Shen De-jiu,et al.Structure and properties characterization of ceramic coatings produced on steel using a combined technique[J].Trans Mater Heat Treat,2004,25(5):1076-1079.
• [7]夏原,姚枚,等.A3钢热浸铝镀层生长规律的影响因素[J].中国有色金属学报,1996,6(1):74-77.Xia Yuan,Yao Mei,et al.The affecting of temperature and time to the growth of hot-dip aluminizing coating on A3 steel[J].The Chinese Journal of NonferrousMetals,1996,6(1):74-77.
• [8]夏原,于升学,等.超声振动对热浸稀土铝表面厚度的动力学分析[J].钢铁研究学报,2003,15(6):67-70.Xia Yuan,Yu Sheng-xue,et al.Dynamics analysis of surface layer thickness growth of hot dip RE-Al coating under ultrasonic vibration field[J].Journal of Ironand Steel Research,2003,15(6):67-70.
• [9]夏原,董延,等.热浸铝过程中表面层厚度动态控制模型[J].中国有色金属学报,2003,13(5):1201-1205.Xia Yuan,Dong Yan,et al.Surface coating control model of hot dip aluminizing[J].The Chinese Journal of Nonferrous Metals,2003,13(5):1201-1205.
• [10]Van der Zwaag S,Field J E.The effect of thin hard coatings on the hertzian stress filed[J].Mag Al,1982,46:223-231.
• [11]Uhlmann E,Klein K.Stress design in hard coatings[J].Surface and Coatings Technology,2000,131:448-451.
• [12]Houmid H,Bennani,et al.Finite element model of elastic stress in thin coatings submitted to applied forces[J].Surface and Coatings Technology,1999,111:80-85.
• [13]Djabella H.Finite element comparative study of elastic stresses in single,double layer and mulitlayered coated systems[J].Thin Solid Film,1993,235:156-162.
• [14]Johnson K L.Contact Mechnics[M].Cambrige,1985.
• [15]Jfagan M,et al.Finite element analysis of the contact stresses in diamond coatings subjected to a uniform normal load[J].Diamond and Related Materials,2000,9:26-36.

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