Current-Carrying Friction and Wear Performance of Carbon CeramicComposites in Rain Water Environment
摘 要
采用销-盘摩擦磨损试验机对制动闸片用碳陶复合材料开展了雨水环境下的载流摩擦磨损试验,研究了不同摩擦条件下碳陶复合材料的摩擦磨损性能。结果表明:在无载流的雨水环境中,随着雨水流量由0增大到1 mL·min-1,碳陶复合材料的表面粗糙度显著下降,摩擦因数和磨损率小幅度降低,磨损机理主要为剥落和轻微的氧化磨损;在无雨水的载流条件下,随着电流强度由0增加到100 A,表面粗糙度和摩擦因数均显著下降,磨损率明显升高,主要磨损机理为剥落、磨粒磨损、黏着磨损和电弧烧蚀;相对于单因素作用,在载流和雨水的共同作用下,表面粗糙度和摩擦因数明显降低,但磨损率随着雨水流量或电流强度增加的规律不明显,磨损机理为剥落、氧化磨损、磨粒磨损和黏着磨损。
Abstract
The current-carrying friction and wear tests of carbon ceramic composite for brake disc were carried out by the pin-disk friction and wear testing machine, and the friction and wear properties of carbon ceramic composite under different friction conditions were studied. The results show that in rainwater environment without current-carrying, with rainwater flow rate increasing from 0 to 1 mL·min-1, the surface roughness of carbon ceramic composite decreased significantly, while the friction coefficient and wear rate decreased slightly; the wear mechanism included spalling and slight oxidation wear. Under the current-carrying condition without rainwater, with current intensity increasing from 0 to 100 A, the surface roughness and friction coefficient decreased significantly, and the wear rate increased obviously; the wear mechanism included spalling, abrasive wear, adhesive wear and arc ablation. Compared with those affected by the single factor, the surface roughness and friction coefficient decreased significantly under the combined action of current carrying and rainwater, but the law of the wear rate increasing with the rainwater flow or the current intensity was not obvious; the wear mechanism was spalling, oxidation wear, abrasive wear and adhesive wear.
中图分类号 TH117.1 DOI 10.11973/jxgccl202301014
所属栏目 材料性能及应用
基金项目
收稿日期 2021/9/8
修改稿日期 2022/11/8
网络出版日期
作者单位点击查看
备注任育博(1997-),男,甘肃庆阳人,硕士研究生
引用该论文: REN Yubo,PENG Jinfang,CAO Chao,TANG Pan,SHEN Changhui,FANG Jingting,ZHU Minhao. Current-Carrying Friction and Wear Performance of Carbon CeramicComposites in Rain Water Environment[J]. Materials for mechancial engineering, 2023, 47(1): 93~99
任育博,彭金方,曹超,唐攀,申长慧,方婧婷,朱旻昊. 雨水环境下碳陶复合材料的载流摩擦磨损性能[J]. 机械工程材料, 2023, 47(1): 93~99
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【2】蒋廉华, 唐亮, 曾春军, 等.中低速磁浮列车制动系统设计与研究[J].电力机车与城轨车辆, 2017, 40(3):18-22. JIANG L H, TANG L, ZENG C J, et al.Design and research on braking system of mid-low speed maglev train[J].Electric Locomotives & Mass Transit Vehicles, 2017, 40(3):18-22.
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【4】钱坤才, 吴射章, 乔青锋, 等.高寒雨雪气候下高速动车组盘片摩擦副摩擦性能[J].西南交通大学学报, 2017, 52(6):1188-1192. QIAN K C, WU S Z, QIAO Q F, et al.Friction performance of brake disks and blocks for high-speed EMU trains in cold, rainy, and snowy weather[J].Journal of Southwest Jiaotong University, 2017, 52(6):1188-1192.
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【17】李专, 肖鹏, 岳静, 等.C/C-SiC材料不同制动速率下的湿式摩擦磨损性能[J].材料工程, 2013, 41(3):71-76. LI Z, XIAO P, YUE J, et al.Wet friction and wear properties of C/C-SiC composites during different braking speeds[J].Journal of Materials Engineering, 2013, 41(3):71-76.
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【21】韩晓明, 高飞, 宋宝韫, 等.水分对铜基摩擦材料摩擦磨损性能的影响[J].大连交通大学学报, 2010, 31(2):38-40. HAN X M, GAO F, SONG B Y, et al.Effect of water on tribological characteristics of copper based friction materials[J].Journal of Dalian Jiaotong University, 2010, 31(2):38-40.
【22】李韶林, 国秀花, 宋克兴, 等.载流摩擦用铜基复合材料的研究现状及展望[J].材料热处理学报, 2021, 42(4):1-16. LI S L, GUO X H, SONG K X, et al.Research progress and prospect of copper matrix materials for current-carrying friction[J].Transactions of Materials and Heat Treatment, 2021, 42(4):1-16.
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