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网纹型表面微结构对Ti-6Al-4V水润滑摩擦学特性的影响
引用本文:徐鹏飞,周飞,王谦之,彭约钧,陈建宁,云乃彰. 网纹型表面微结构对Ti-6Al-4V水润滑摩擦学特性的影响[J]. 摩擦学学报, 2012, 32(4): 377-383
作者姓名:徐鹏飞  周飞  王谦之  彭约钧  陈建宁  云乃彰
作者单位:1. 南京航空航天大学机械结构力学与控制国家重点实验室,江苏南京210016/重庆大学机械传动国家重点实验室,重庆400030/南京航空航天大学机电学院,江苏南京210016
2. 南京航空航天大学机械结构力学与控制国家重点实验室,江苏南京210016/重庆大学机械传动国家重点实验室,重庆400030
3. 南京航空航天大学机械结构力学与控制国家重点实验室,江苏南京210016/南京航空航天大学机电学院,江苏南京210016
4. 南京航空航天大学机电学院,江苏南京,210016
基金项目:The project was supported by the Program for Program for New Century Excellent Talents in University (NCET-10-068) and The Research Fund for the Doctoral Program of Higher Education(20093218110026)and Aeronautical Science Foundation of China(2011ZE52054)and Natural Science Foundation of Jiangsu Province (NSFJS) (BK 2010074) and Funding of Jiangsu Innovation Program for Graduate Education(CXZZ11-0197) and Opening Funds of State Key Lab of Mechanical Transmission in Chongqing University (SKLMT-KFKT-201005). 本研究受教育部"新世纪优秀人才支持计划"(NECT-10-0068)、高等学校博士学科点专项科研基金资助项目(20093218110026)、航空科学基金项目(2011ZE52054),江苏省自然科学基金重点项目(BK2010074)、江苏省2011年度普通高校研究生科研创新计划项目(CXZZ11-0197)和重庆大学机械传动国家重点实验室2010年度开放基金(SKLMT-KFKT-201005)资助.
摘    要:研究了Ti-6Al-4V合金表面网纹型微结构与Si3N4小球对摩时的水润滑摩擦学性能.利用电火花加工技术在Ti-6Al-4V合金表面加工出不同尺寸的网纹结构,运用正交试验设计方法分析了网纹宽度、深度、间宽比和网纹角度对Ti-6Al-4V合金水润滑摩擦学性能的影响.结果表明:具有合适几何参数的网纹结构能够降低摩擦副在水润滑条件下的摩擦系数和磨损量.当网纹角度在45°时,摩擦副的摩擦系数和磨损量能同时降低.网纹宽度对稳态摩擦系数的影响最大,而网纹深度和夹角对摩擦副材料的磨损影响最大.

关 键 词:Ti-6Al-4V合金  网纹微结构  水润滑  摩擦学性能

Influence of Meshwork Pattern Grooves on the Tribological Characteristics of Ti-6Al-4V Alloy in Water Lubrication
XU Peng-fei,ZHOU Fei,WANG Qian-zhi,PENG Yue-jun,CHEN Jian-ning and YUN Nai-zhang. Influence of Meshwork Pattern Grooves on the Tribological Characteristics of Ti-6Al-4V Alloy in Water Lubrication[J]. Tribology, 2012, 32(4): 377-383
Authors:XU Peng-fei  ZHOU Fei  WANG Qian-zhi  PENG Yue-jun  CHEN Jian-ning  YUN Nai-zhang
Affiliation:1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;2. State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400030, China;3. College of Mechanical and Electrical Engineering , Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;2. State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400030, China;1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;2. College of Mechanical and Electrical Engineering , Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;2. College of Mechanical and Electrical Engineering , Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;College of Mechanical and Electrical Engineering , Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;College of Mechanical and Electrical Engineering , Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China
Abstract:The friction and wear properties of mesh pattern grooves on the Ti-6Al-4V surface as sliding against Si3N4 balls in water are investigated. The surface mesh pattern grooves with different sizes are manufactured using electrical discharge machining (EDM) on the surface of Ti-6Al-4V alloy. The influences of width, depth, interval/width ratio andangle for mesh pattern grooves on the tribological properties of Ti-6Al-4V alloy in water are analyzed with the orthogonal experiment method. The results show that the mesh pattern grooves with suitable geometric parameters could effectively reduce the friction coefficient and wear rate of tribopairs in water lubrication. When the angle of the mesh pattern groove is 45 degree, the friction coefficient and the wear of the tribopairs all decrease simultaneously. The width of the mesh pattern grooves is the major factor to influence the friction coefficient of tribopairs, while the depth and crosshatch angle of the mesh pattern grooves are the important factors to influence the wear ability of tribopairs.
Keywords:Ti-6Al-4V alloys  mesh pattern grooves  tribological properties  water lubrication
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