TC4合金微动腐蚀行为的研究
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摘要
研究TC4合金在氯化钠溶液中的微动磨损行为,分析不同摩擦副材料下载荷与磨损形貌、摩擦系数和磨损量的关系。结果表明,微动磨损机制是粘着磨损-疲劳脱层-磨粒磨损和腐蚀磨损;腐蚀介质下摩擦系数曲线比干空气的低且平稳;Al_2O_3/TC4摩擦系数曲线波动较大,载荷较大时由微动转为往复滑动。Si_3N_4/TC4磨损量和磨损率均比GCr15/TC4的大,GCr15/TC4耐磨性优于Si_3N_4/TC4,GCr15球作摩擦副材料时磨损性能最好。TC4在氯化钠溶液中的失重是由机械磨损、腐蚀和磨损的交互作用造成的。
Fretting wear test of TC4 alloy in sodium chloride solution were studied, and the effects of loads on wear scars, friction coefficient and wear resistance were investigated under different friction counterparts. Results show that the wear mechanism attributes adhesive wear to fatigue and peeling with abrasive wear, and corrosion wear appears on the surface. The friction coefficient decreases under the sodium chloride solution and the curves keeps stable. The friction coefficient curves of Al_2O_3/TC4 fluctuates greatly and the wear mechanism turns fretting into reciprocating sliding under the large loads. The wear rate and wear resistance of Si_3N_4/TC4 is larger than those of GCr15/TC4, which means the abrasion performance of GCr15/TC4 is better than that of Si_3N_4/TC4 and GCr15 ball performs the best wear properties under the corrosive wear. The agravity of TC4 alloy is caused by wear and the interaction of wear and corrosion in sodium chloride solution.
Fretting wear test of TC4 alloy in sodium chloride solution were studied, and the effects of loads on wear scars, friction coefficient and wear resistance were investigated under different friction counterparts. Results show that the wear mechanism attributes adhesive wear to fatigue and peeling with abrasive wear, and corrosion wear appears on the surface. The friction coefficient decreases under the sodium chloride solution and the curves keeps stable. The friction coefficient curves of Al_2O_3/TC4 fluctuates greatly and the wear mechanism turns fretting into reciprocating sliding under the large loads. The wear rate and wear resistance of Si_3N_4/TC4 is larger than those of GCr15/TC4, which means the abrasion performance of GCr15/TC4 is better than that of Si_3N_4/TC4 and GCr15 ball performs the best wear properties under the corrosive wear. The agravity of TC4 alloy is caused by wear and the interaction of wear and corrosion in sodium chloride solution.
引文
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[2]Ding J,Leen S B,McColl I R.International Journal of Fatigue[J],2004,26(5):521
[3]Zhang Yuanbin,Lu Liantao,Gong Yubin et al.Wear[J],2017,384-385:131
[4]Varenberg M,Etsion I,Halperin G.Tribology Letters[J],2005,18(4):493
[5]Wu Chengjian(吴承建),Chen Guoliang(陈国良),Qiang Wenjiang(强文江).Metal Material Science(金属材料学)[M].Beijing:Metallurgical Industry Press,2009:229
[6]Han Jianye(韩建业),Luo Jinghua(罗锦华),Yuan Sibo(袁思波)et al.Titanium Industry Progress(钛工业进展)[J],2016,33(3):1
[7]Zhang Meijuan(张美娟),Nan Hai(南海),Ju Zhongqiang(鞠忠强)et al.Journal of Aeronautical Materials(航空材料学报)[J],2016,36(3):13
[8]Lu R Y,Karoutas Z,Sham T L.JOM[J],2011,63:53
[9]Pina V G,Amigo V,Mu?oz A I.Corrosion Science[J],2016,109:115
[10]Wang Yong(王勇),Ren Pingdi(任平弟),Zhu Minhao(朱旻昊)et al.Journal of Shanghai Jiaotong University(上海交通大学学报)[J],2005,39(9):1437
[11]Zhao Wei(赵威),He Ning(何宁),Li Liang(李亮).Tribology(摩擦学学报)[J],2006,26(5):439
[12]Liu Yong(刘勇),Yang Dezhuang(杨德庄),He Shiyu(何世禹)et al.Rare Metal Materials and Engineering(稀有金属材料与工程)[J],2005,34(1):128
[13]Ding Hongyan(丁红燕).Thesis for Doctorate(博士论文)[D].Nanjing:Nanjing University of Aeronautics and Astronautics,2007
[14]Ding Hongyan(丁红燕),Dai Zhendong(戴振东),Xu Tao(徐洮).Lubrication Engineering(润滑与密封)[J],2005(6):28
[15]Zhuo Hong(卓洪),Guo Jun(郭俊),Liu Qiyue(刘启跃).Lubrication Engineering(润滑与密封)[J],2006(9):87
[16]Landolt D,Mischler S,Stemp M et al.Wear[J],2004,256(5):517
[17]Liu Ming(刘明),Wang Zhenguo(王振国),Hu Yi(胡毅).Lubrication Engineering(润滑与密封)[J],2014,39(7):88
[18]Jiang Xiaoxia(姜晓霞),Li Shizhuo(李诗卓),Li Shu(李曙).Corrosive Wear of Metals(金属的腐蚀磨损)[M].Beijing:Chemical Industry Press,2003:198
[19]Wang Zhigang(王志刚),Li Jiuqing(李久青),Wu Yinshun(吴荫顺).Journal of University of Science and Technology Beijing(北京科技大学学报)[J],2000,22(2):138
[20]Wang Yong(王勇).Thesis for Master(硕士论文)[D].Chengdu:Southwest Jiaotong University,2005