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Cu/Ni多層膜對(duì)Ti811合金微動(dòng)磨損和微動(dòng)疲勞抗力的影響
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國(guó)家自然科學(xué)基金（50671085，50771070）；國(guó)家863高技術(shù)研究發(fā)展計(jì)劃（2007AA03Z521）；西北工業(yè)大學(xué)基礎(chǔ)研究基金(JC200902)


Effects of Cu/Ni Multilayer Film on Fretting Wear and Fretting Fatigue Resistance of Ti811 Alloys
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    摘要:

    在Ti811鈦合金表面利用離子輔助磁控濺射沉積技術(shù)制備20~1200 nm不同調(diào)制周期的Cu/Ni金屬多層膜，分析多層膜的結(jié)構(gòu)，測(cè)試膜基結(jié)合強(qiáng)度、膜層顯微硬度和韌性，對(duì)比研究不同調(diào)制周期的Cu/Ni多層膜對(duì)鈦合金基材常溫下微動(dòng)磨損性能和微動(dòng)疲勞（FF）抗力的影響。結(jié)果表明：利用離子輔助磁控濺射技術(shù)可以獲得致密度高、晶粒細(xì)化、膜基結(jié)合強(qiáng)度高的Cu/Ni多層膜，該類(lèi)多層膜具有良好的減摩潤(rùn)滑作用，因而改善了Ti811鈦合金常溫下抗微動(dòng)磨損和微動(dòng)疲勞性能；Cu/Ni多層膜對(duì)鈦合金FF抗力的改善程度隨膜層調(diào)制周期呈現(xiàn)非單調(diào)變化趨勢(shì)，調(diào)制周期為200 nm的Cu/Ni多層膜對(duì)鈦合金FF抗力的提高程度最大，原因歸于該膜層具有良好的強(qiáng)韌和潤(rùn)滑綜合性能。

    Abstract:

    The Cu/Ni multilayer films with modulation period thickness of 20-1200 nm were prepared on Ti811 titanium alloy surface by ion assisted magnetron sputtering deposition (IAD) technique. The structure, bonding strength, micro-hardness and ductility of the films were analyzed. The effects of the Cu/Ni multilayer films with different modulation periods on the fretting wear (FW) property and fretting fatigue (FF) resistance of the titanium alloy substrate at room temperature were investigated. The results indicate that the IAD technique can prepare Cu/Ni multilayer films with high density, small grain size, high bonding strength and excellent lubricating properties. Therefore, the Cu/Ni multilayer films could improve the resistance of fretting wear and fretting fatigue of the Ti811 alloy at room temperature. The FF resistance of the titanium alloy substrate is increased non-monotonously with increasing of the modulation period thickness of the Cu/Ni multilayer films. The Cu/Ni multilayer films with modulation period thickness of 200 nm have the highest FF resistance among the prepared Cu/Ni multilayer films for its comprehensive properties with high toughness, high strength and good lubricating action.

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張曉化,劉道新,劉國(guó)華,王振亞,唐 賓. Cu/Ni多層膜對(duì)Ti811合金微動(dòng)磨損和微動(dòng)疲勞抗力的影響[J].稀有金屬材料與工程,2011,40(2):294~300.[Zhang Xiaohua, Liu Daoxin, Liu Guohua, Wang Zhenya, Tang Bin. Effects of Cu/Ni Multilayer Film on Fretting Wear and Fretting Fatigue Resistance of Ti811 Alloys[J]. Rare Metal Materials and Engineering,2011,40(2):294~300.]
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  • 收稿日期:2010-03-21
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