本文關(guān)鍵詞：二維粗糙面間滑動(dòng)摩擦過(guò)程中平穩(wěn)性研究　出處：《機(jī)械設(shè)計(jì)與制造工程》2016年11期 　論文類(lèi)型：期刊論文

  更多相關(guān)文章： 分形表面 平穩(wěn)性 黏著 滑動(dòng)摩擦

【摘要】：基于現(xiàn)有的分形模型,考慮到黏著現(xiàn)象的普遍性,通過(guò)在界面引入黏著剪切強(qiáng)度并考慮材料斷裂,建立了考慮黏著、彈塑性變形影響的二維分形金屬粗糙面間的滑動(dòng)摩擦模型,并運(yùn)用有限元軟件進(jìn)行數(shù)值求解。通過(guò)設(shè)置不同界面剪切強(qiáng)度及滑動(dòng)速度參數(shù),研究了兩粗糙面間滑動(dòng)過(guò)程中的平穩(wěn)性。對(duì)建立的二維雙粗糙彈塑性分形模型的實(shí)例進(jìn)行分析,結(jié)果表明:當(dāng)界面剪切強(qiáng)度較小時(shí),法向速度波動(dòng)幅值增大;當(dāng)界面剪切強(qiáng)度增大到一定值后,法向速度波動(dòng)幅值迅速的減小,使滑動(dòng)較為平穩(wěn)�；瑒�(dòng)速度對(duì)平穩(wěn)性的影響較大,滑動(dòng)速度越大,滑動(dòng)過(guò)程中振動(dòng)越劇烈。
[Abstract]:Based on the existing fractal model, considering the universality of adhesion phenomenon, the adhesion is considered by introducing adhesive shear strength into the interface and considering the fracture of the material. The sliding friction model of two-dimensional fractal metal rough surface affected by elastic-plastic deformation is numerically solved by using finite element software. Different interface shear strength and sliding velocity parameters are set up. The stability of the sliding process between two rough surfaces is studied. An example of two-dimensional double rough elastoplastic fractal model is analyzed. The results show that the amplitude of normal velocity fluctuation increases when the shear strength of interface is small. When the shear strength of the interface increases to a certain value, the amplitude of the normal velocity fluctuation decreases rapidly, which makes the slip more stable. The greater the sliding velocity, the more violent the vibration in the sliding process.
【作者單位】： 四川文理學(xué)院智能制造學(xué)院;
【基金】：四川文理學(xué)院特色培育項(xiàng)目(2015TP005Y)
【分類(lèi)號(hào)】：TH117.1
【正文快照】： 摩擦磨損產(chǎn)生的根本原因在于接觸對(duì)受到接較準(zhǔn)確地模擬真實(shí)粗糙表面[7]。在滑動(dòng)過(guò)程中,觸表面力的相互作用,產(chǎn)生一系列的變化,如黏著、摩擦磨損與力的變化都主要發(fā)生在摩擦副元件的形變、疲勞與犁溝等。這些相互作用的結(jié)果都與接表層,文中通過(guò)在界面引入黏著剪切強(qiáng)度,考慮材觸，

本文編號(hào)：1435776