[1]魏兵辉,孙琨,王云鹏,等.高速干滑动摩擦系数的有限元仿真计算研究[J].西安交通大学学报,2020,54(06):082-89.[doi:10.7652/xjtuxb202006011]
 WEI Binghui,SUN Kun,WANG Yunpeng,et al.Finite Element Prediction for Friction Coefficient of High Speed Dry Sliding[J].Journal of Xi'an Jiaotong University,2020,54(06):082-89.[doi:10.7652/xjtuxb202006011]
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高速干滑动摩擦系数的有限元仿真计算研究
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《西安交通大学学报》[ISSN:0253-987X/CN:61-1069/T]

卷:
54
期数:
2020年第06期
页码:
082-89
栏目:
出版日期:
2020-06-10

文章信息/Info

Title:
Finite Element Prediction for Friction Coefficient of High Speed Dry Sliding
文章编号:
0253-987X(2020)06-0082-08
作者:
魏兵辉1 孙琨1 王云鹏1 方亮1 陈诚2
1.西安交通大学金属材料强度国家重点实验室, 710049, 西安; 2.中国兵器工业试验测试研究院, 714200, 陕西华阴
Author(s):
WEI Binghui1 SUN Kun1 WANG Yunpeng1 FANG Liang1 CHEN Cheng2
1. State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China; 2. China Experimental and Testing Institute of Ordnance Industry, Huayin, Shaanxi 714200, China
关键词:
摩擦系数 分形理论 双粗糙表面 销盘磨损实验
Keywords:
coefficient of friction fractal theory double rough surface pin disk wear test
分类号:
TG115
DOI:
10.7652/xjtuxb202006011
文献标志码:
A
摘要:
针对高速运动下的摩擦副如滑靴与轨道之间存在摩擦磨损且实际工况下摩擦系数难以测定的难题,提出了一种利用有限元计算摩擦系数的数值研究方法。基于W-M函数法,利用MATLAB对不同粗糙度下的表面轮廓完成了数值模拟分析,采用ABAQUS二次开发,实现了在有限元中快速建立粗糙表面模型的功能。以此为基础,对滑靴在运行过程中摩擦系数的动态变化规律进行了研究,得到了摩擦系数与载荷、速度之间的数学关系模型。通过销盘磨损实验对其部分仿真结果进行验证,实验结果与公式预测误差在10%以内,证明了该数学关系模型的有效性,为高速下干滑动摩擦特性的研究奠定了基础。
Abstract:
Considering the difficulty of measuring friction coefficient under actual working conditions, a numerical method for calculating the friction coefficient with finite element analysis is proposed to solve the complex friction and wear phenomenon between the slipper and the track at high sliding speeds. By means of W-M function method, MATLAB is used to complete the numerical simulation analysis for surface contour under different roughness, then the function of quickly establishing rough surface model in the finite element is realized via secondary development of ABAQUS. The mathematical model of friction coefficient, pressure and velocity is obtained by analyzing dynamic variation law of friction coefficient during running of slipper. The simulation results are verified by the pin plate wear experiment and it is found that all errors are below 10%.

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备注/Memo

备注/Memo:
收稿日期: 2019-11-07。作者简介: 魏兵辉(1996—),男,硕士生; 孙琨(通信作者),男,副教授。基金项目: 国家自然科学基金资助项目(51475359); 中央高校基本科研业务费专项资金资助项目(xjj2013111); 陕西省自然科学基金资助项目(2014J M6219)。
更新日期/Last Update: 2020-06-10