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.
参考文献
| [1] | A. L. Yerokhin;X. Nie;A. Leyland;A. Matthews;S. J. Dowey .Plasma electrolysis for surface engineering[J].Surface & Coatings Technology,1999(2/3):73-93. |
| [2] | Wenbin Xue;Zhiwei Deng;Ruyi Chen;Tonghe Zhang .Growth regularity of ceramic coatings formed by microarc oxidation on Al-Cu-Mg alloy[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2000(1/2):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(02):237-250. |
| [4] | YU Sheng-xue,XIA Yuan,CHEN Ling,GUAN Yong-jun,YAO Mei.Formation and structure of composite coating of HDA and micro-plasma oxidation on A3 steel[J].中国有色金属学会会刊（英文版）,2004(z1):310-314. |
| [5] | 解世岳,王从曾,寇斌达,苏学宽,马捷.碳钢热浸镀铝及微弧氧化研究[J].轻合金加工技术,2003(09):35-38. |
| [6] | SHEN De-jiu,WANG Yu-lin,Gu Wei-Chao,XING Guang-zhong.Structure and Properties Characterization of Ceramic Coatings Produced on Steel Using a Combined Technique[J].材料热处理学报,2004(05):1076-1079. |
| [7] | 夏原,姚枚,张瑞平.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(01):74-78. |
| [8] | 夏原,于升学,姚枚.超声振动场对热浸镀稀土铝表面层厚度影响的动力学分析[J].钢铁研究学报,2003(06):67-70. |
| [9] | 夏原,董延,李东风.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(05):1202-1205. |
| [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] | E. Uhlmann;K. Klein .Stress design in hard coatings[J].Surface & Coatings Technology,2000(1/3):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 Films,1993,235:156-162. |
| [14] | Johnson K L.Contact Mechnics[M].Cambrige,1985 |
| [15] | M.J.Fagan;S.J.Park .Finite element analysis of the contact stresses in diamond coatings subjected to a uniform normal load[J].Diamond and Related Materials,2000(1):26-36. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%