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俞树荣,孙璐,宋伟,何燕妮,景鹏飞.TC4合金微动腐蚀行为的研究[J].稀有金属材料与工程(英文),2019,48(4):1183~1188.[Yu Shurong,Sun Lu,Song Wei,He Yanni and Jing Pengfei.Study on Fretting Corrosion Wear Behaviors of TC4 Alloy[J].Rare Metal Materials and Engineering,2019,48(4):1183~1188.]
Study on Fretting Corrosion Wear Behaviors of TC4 Alloy
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Received:August 28, 2017  Revised:October 25, 2017
Key words: TC4 alloy  fretting wear  fretting corrosion  sodium chloride solution  synergy
Foundation item:国家自然科学基金资助项目(项目号51275225)
Author NameAffiliation
Yu Shurong,Sun Lu,Song Wei,He Yanni and Jing Pengfei  
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      Abstract: Fretting wear test of TC4 alloy in sodium chloride solution are studied, the effects of loads on wear scars, the friction coefficient and the wear resistance are 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 Al2O3\TC4 fluctuates greatly and the wear mechanism turns fretting into reciprocating sliding under the large loads. The wear rate and wear resistance of Si3N4\TC4 is larger than that of GCr15\TC4, which means the abrasion performance of GCr15\TC4is better than that of Si3N4\TC4 and GCr15 ball performed 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.