环氧/聚氨脂梯度功能耐磨涂层性能的有限元分析
Finite Element Analysis of Wear-resistance of Epoxy/Polyurethane Functional Gradient Coating
摘 要
用有限元模拟纳米压痕和划痕试验,对Q235钢基体上制备的不同厚度环氧/聚氨脂梯度功能涂层的硬度和摩擦性能进行了分析.结果表明:涂层厚度对梯度功能涂层的性能有很大的影响,厚度为5.5 μm梯度功能涂层的性能要优于厚度为11.0 μm和22.0 μm的涂层;三种涂层的硬度分别为45.6,36.4和29.3 GPa,摩擦因数分别为0.024,0.036和0.057;涂层厚度越小,耐磨性能越好.
梯度功能材料
涂层
厚度
耐磨性能
epoxy/polyurethane
functional gradient material
coating
thickness
wear-resistance
Abstract
Finite-element method was used to simulate the nano-indentation and nano-scratch tests.The hardness and frictional behaviors of the epoxy/polyurethane functional gradient coatings with different thicknesses on Q235 steel substrate were comparatively investigated.The results showed that thickness palyed an important role in the properities of coating.The 5.5 μm coating had better propertices than the 11.0 μm and 22.0 μm coating.For the coating with different thicknesses of 5.5 μm,11.0 μm and 22.0 μm,the hardness was 45.6,36.4 and 29.3 GPa and the friction coefficient was 0.024,0.036 and 0.057,respectively.Coatings with thinner thickness had better wear-resisting properties.
中图分类号 TB332
所属栏目 物理模拟与数值模拟
基金项目 教育部重点科技研究资助项目(103144);四川省青年基金资助项目
收稿日期 2007/5/14
修改稿日期 2007/6/16
网络出版日期
作者单位点击查看
备注李慧君(1982-),女(白族),云南大理人,硕士研究生.
引用该论文: LI Hui-jun,XU Li,JIANG Xiao-yu. Finite Element Analysis of Wear-resistance of Epoxy/Polyurethane Functional Gradient Coating[J]. Materials for mechancial engineering, 2008, 32(7): 79～81
李慧君,许荔,江晓禹. 环氧/聚氨脂梯度功能耐磨涂层性能的有限元分析[J]. 机械工程材料, 2008, 32(7): 79～81
被引情况:
【1】张星,王鹤峰,袁国政,树学峰, "基于纳米压痕试验的316L不锈钢表面钛、TiN薄膜结合性能的有限元模拟",机械工程材料 37, 90-95(2013)
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【3】李云凯,王勇,韩文波.PSZ/Mo功能梯度材料的优化设计[J].机械工程材料,2003,27(2):14-16.
【4】夏永红,金卓仁,程继贵.梯度功能材料及其在机械工程中的应用[J].机械工程材料,2001,25(5):9-11.
【5】McCook N L,Burris D L.Wear resistant solid lubricant coating made from PTFE and epoxy[J].Tribology Letters,2005,18:119-24.
【6】Chiou Wen-Chin,Han Jin-Lin.Synthesis and characterization of composites of polyaniline and polyurethane-modified epoxy[J].Polymer International,2006,55(11):1222-1229.
【7】徐化兵,万隆,张志飞.金属表面环氧/聚氨脂梯度功能涂层的制备[J].材料保护,2006,39(3):43-45.
【8】Liu X Q,Wang Y S,Zhu J H.Epoxy resin/polyurethane functionally graded material prepared by microwave irradiation[J].Applied Polymer Science,2004,94:994-999.
【9】Houmid H,Ennani B,Takadoum J.Finite element model of elastic stresses in thin coatings submitted to applied forces[J].Surface and coatings Technology,1999,111(1):80-85.
【10】Babuka I,Strouboulis T.The finite element method and its reliability and theofanis[M].New York:Oxford University Press,2001:156-158.
【11】张泰华,杨业敏.纳米硬度技术的发展和应用[J].力学进展,2002,32(3):349-364.
【12】Jiang Xiaoyu,Bernd Lauke,Tobias Schueller.Frictional contact analysis of scratch test for elastic and elastic-plastic thin-coating/substrate materials[J].Thin Solid Films,2002,414(1):63-71.
【13】Kumar R R,Wang M.Functionally graded bioactive coatings of hydroxyapatite/titanium oxide composite system[J].Materials Letters,2002,55:133-137.
【14】张泰华,郇 勇,扬业敏,等.氮化钛沉积膜的摩擦性能研究[J].摩擦学学报,2003,23(5):367-370.
【15】Annett Dorner-Reisel,Christian Schürer,Eberhard Müller.The wear resistance of diamond-like carbon coated and uncoated Co28CrMo knee prostheses[J].Diamond and Related Materials,2004,13(4/8):823-827.
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