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首页> 外文期刊>Tribology International >Effect of ultrasonic surface rolling process on impact-sliding wear behavior of the 690 alloy
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Effect of ultrasonic surface rolling process on impact-sliding wear behavior of the 690 alloy

机译：超声波表面轧制工艺对690合金冲击滑动行为的影响

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摘要

Various impact-sliding wear behaviors commonly occur among steam generator tubes and their supporters. The main purpose of this study is to investigate the effect of ultrasonic surface rolling process (USRP) on the impact-sliding wear behavior of Inconel 690 alloy tubes. A self-made two-dimensional cycling impact-sliding wear test rig was developed to realize multiple wear patterns by changing motion parameters in both impact and sliding directions. Tests were carried out under different impact and sliding velocities. Results indicated that USRP reduced the impact kinetic energy absorption rate, friction coefficient and increased the wear resistance of Inconel 690 alloy. These can be attributed to the USRP which decreased the grain size of 690 alloy, resulting in the increase of micro-hardness and compressive residual stress.
机译：各种冲击滑动磨损行为通常发生在蒸汽发生器管及其支撑件之间。 本研究的主要目的是探讨超声波表面轧制工艺（USRP）对690合金管的冲击滑动磨损行为的影响。 开发了一种自制的二维循环冲击滑动磨损试验台，通过改变冲击和滑动方向的运动参数来实现多种磨损图案。 在不同的冲击和滑动速度下进行测试。 结果表明，USRP降低了冲击动能吸收率，摩擦系数，增加了690合金的耐磨性。 这些可以归因于USRP，其降低了690合金的晶粒尺寸，导致微硬度和压缩残余应力的增加。

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