1) wear scar
磨痕
1.
It has been discovered that (1) in the region between 100 ℃～350 ℃ the friction coefficient is lowering along with the rising of temperature; (2) the friction coefficient is the highest at the temperature of 500 ℃, and adhesive wear occurred; (3) the global graphite grain layer appeared at the surface of wear scar at 450 N and 300 ℃, and played an extremely good effect of lubricati.
发现 :(1)在 10 0℃～ 3 5 0℃区间 ,随温度的升高 ,摩擦因数在降低 ;(2 )在 5 0 0℃时 ,摩擦因数最高 ,且发生了粘着磨损 ;(3 )在 45 0N ,3 0 0℃时 ,磨痕表面出现了球状的石墨颗粒层 ,这起到了极好的润滑作用 ,使得 3 0 0℃时 ,磨损较低。
2.
The wear scar after 15 000 cycles was analyzed by SEM.
在PlintTE77高温疲劳试验机上对该材料进行了高温磨损性能测试 ,工况分别为 :室温 ,10 0℃ ,2 0 0℃ ,3 0 0℃ ,3 5 0℃ ,5 0 0℃ ;法向载荷为 :2 0 0N ,45 0N ,等12种工况 ;振动频率为 :4Hz ;移动幅值为 :± 5mm ;并对摩擦后的磨痕进行了SEM分析 ,发现 :(1)在 2 0 0N ,3 0 0℃时出现了粘压的多源弧形裂纹 ,这和冲击时的沿树枝晶裂纹截然不同 ;(2 )在 45 0N ,3 0 0℃时 ,磨痕表面出现了球状的石墨颗粒层 ,这起到了极好的润滑作用 ,使得 3 0 0℃时磨损较低。
3.
The formation and evolution of ridges of the wear scar in soft materials have been studied.
利用自行研制的多功能微磨损试验机,研究了软材料的微磨损问题,如Cu、Al、镁合金、45钢等,并与硬度相对较高的Ni60B涂层和TiN涂层进行对比,描述了软材料磨痕形貌中隆脊的发生及发展过程,讨论了隆脊的形成机理,分析了隆脊形成的影响因素,并提出了软材料微磨损试验的优化试验条件。
2) wear scar diameter(WSD)
磨痕宽(WSD)
3) surface topography
磨痕形貌
1.
In order to clarify the progress of the surface topography with and without squeal,two kinds of brake blocks generally used in practice were subjected to squeal-forming tests under reciprocating sliding.
为了进一步认识在有摩擦噪声期间磨痕形貌与噪声之间的关系, 采用两种常用的铁路车辆制动闸瓦材料进行摩擦噪声试验。
4) microscopic trace
微观磨痕
1.
The potential was observed during the abrasion, and the microscopic traces of these samples were analyzed.
结果表明:当载荷恒定时,随摩擦速度增加在细颗粒磨料低应力环境下,材料表面电位先下降后上升,其微观磨痕主要为犁沟、擦伤、飞边塑性流变及小磨屑脱落塑变特征;而在粗颗粒磨料较高应力环境下,材料表面电位出现起伏变化,微观磨痕主要为大块的脆性磨屑。
5) wear away measurement
磨痕测量
1.
The paper introduces the method of wear away measurement in four_balls machine testing make use of image processing,and system formation.
介绍了利用图像处理技术在四球机试验中进行磨痕测量的方法和系统组成。
6) worn-out surface
磨痕表面
补充资料：痕痕
1.犹言一道道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条