【摘要】：錫界面層(或稱(chēng)鍍錫層)在鋼套(低碳鋼)與內(nèi)襯(巴氏合金)結(jié)合性方面起著至關(guān)重要的作用,最佳的錫界面層厚度可以使得鋼套與內(nèi)襯界面獲得最佳的結(jié)合強(qiáng)度�？紤]錫界面層厚度的影響因素,設(shè)計(jì)多因素水平的正交試驗(yàn),得到錫界面層厚度關(guān)于表面粗糙度、鍍錫溫度、鍍錫時(shí)間、鍍錫次數(shù)等的函數(shù)關(guān)系式;運(yùn)用分子動(dòng)力學(xué)對(duì)鋼套與內(nèi)襯的界面結(jié)合能進(jìn)行模擬分析,得到界面結(jié)合能關(guān)于錫層比例(錫層與巴氏合金層比例的簡(jiǎn)稱(chēng))的函數(shù)方程,再根據(jù)實(shí)際軸瓦尺寸及錫界面層厚度關(guān)系式確定錫界面層最佳厚度與工藝控制參數(shù);試驗(yàn)與模擬結(jié)果表明,錫界面層厚度為40μm時(shí),其界面結(jié)合性能最好,界面結(jié)合強(qiáng)度最大,模擬結(jié)果與試驗(yàn)相符。錫界面層厚度關(guān)系式可直接適用于油膜軸承系列化產(chǎn)品的制造與修復(fù)應(yīng)用中。
[Abstract]:Tin interfacial layer (or tin coating) plays an important role in the bonding between steel sleeve (low carbon steel) and liner (Babbitt alloy). The optimum thickness of tin interfacial layer can make the steel liner and lining interface obtain the best bonding strength. Considering the influence factors of the thickness of tin interfacial layer, the orthogonal test of multi-factor level is designed, and the functional expression of the thickness of tin interfacial layer on surface roughness, tin plating temperature, tinning time and times of tin plating is obtained. The interface binding energy of steel liner and liner was simulated and analyzed by molecular dynamics, and the function equation of interface binding energy about the proportion of tin layer to Babbitt alloy layer was obtained. The optimum thickness of tin interfacial layer and process control parameters are determined according to the relationship between the actual bearing size and the thickness of tin interfacial layer. The experimental and simulation results show that the interface bonding property is the best and the interface bonding strength is the largest when the thickness of tin interface layer is 40 渭 m. The simulation results are in agreement with the experiment. The relationship between the thickness of tin interfacial layer can be directly used in the manufacture and repair of oil film bearing series products.
【作者單位】： 太原科技大學(xué)機(jī)械工程學(xué)院;哈爾濱電機(jī)廠(chǎng)滑動(dòng)軸承事業(yè)部;太重集團(tuán)油膜軸承分公司;
【基金】：國(guó)家自然科學(xué)基金(51205269) 山西省自然科學(xué)基金(2012011018-2) 山西省回國(guó)留學(xué)人員科研(2013-093)資助項(xiàng)目
【分類(lèi)號(hào)】：TG174.4;TG115

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