摘要
以金属橡胶隔振构件疲劳试验数据为基础，将柱-块摩擦样品表面刻槽以嵌入并固定钢丝，在SRV高温摩擦磨损试验机上评价φ0.3mm的冷拉拔1Cr18Ni9不锈钢钢丝在不同载荷下的微动摩擦磨损性能，用激光扫描共焦显微镜对其磨痕表面进行分析．结果表明：冷拉拔不锈钢丝的表面粗糙度尺。值为3．447μm；在磨损初期阶段，需要约28s打磨其表面的凹凸体；由不锈钢丝“微动单元”的摩擦曲线可以将其磨损过程划分为表面打磨、接触面黏着、第三体床形成以及稳定磨损4个阶段，其中稳定磨损阶段的摩擦系数相对平稳，磨痕表面光滑程度高于基体的原始表面，磨痕深度介于50～60μm之间．
Based on the data of metal rubber vibration fatigue experiment, dry fretting experiments of 0.3 mm diameter cool-drawn 1 Cr18Ni9 stainless steel wires at different loads were made on SRV high temperature wear machine by cutting and fixing wires on traditional column-block samples. Friction coefficients were collected and fret traces were studied by LSCM. The original surface of wire is 3. 447 μm in roughness Rn, it spent 28 s for polishing the surface in early wear phase. According to friction coefficient, wear process could be catagrarized quantificationally as four phases as polish, adherence, forming of the third body and stabilization. The stabilization phase, in which the friction coefficients were stable, dominated the whole course. Value of Ra on contact interface was lower than that of the original surface of wires. Wear depth was between 50 to 60μm.
出处
《摩擦学学报》
EI
CAS
CSCD
北大核心
2008年第3期248-253,共6页
Tribology
基金
装备预研项目资助(51312040405)
