康学勤,孙智,杨春敏,董升

• 1:中国矿业大学材料科学与工程学院
• 2:中国矿业大学机电工程学院

摘要(Abstract)：

选用黄铜作为研究对象,通过淹没射流的方法进行表面强化。研究了水空化射流压力、射流时间对黄铜表面光洁度、表面硬度和硬化层厚度的影响。结果表明:水空化射流对黄铜表面有明显强化效果,射流压力和喷射时间对其空化喷丸能力以及表面硬度和硬化层厚度有重要影响;与传统喷丸相比,水空化射流冲击后表面粗糙度低、表面硬度高,是一种有发展前景的表面强化方法。

关键词(KeyWords)： 空化水射流;喷丸;质量损失;显微硬度;摩擦磨损

Abstract:

Keywords:

基金项目(Foundation): 江苏省“六大人才高峰”资助项目(07-A-018)

作者(Author): 康学勤,孙智,杨春敏,董升

DOI: 10.13289/j.issn.1009-6264.2010.08.028

参考文献(References)：

• [1]Wanger L.Mechanical surface treatment on titanium and aluminum and magnesium alloy[J].Mater Science and Engineering A,1999,263(2):210-216.
• [2]Mutoh Y,Fair G H,Noble B,et al.Effect of residual stresses induced by shot-peening on fatigue crack propagation in two high strength aluminum alloys[J].Fatigue and Fracture of Engineering Materials and Structures,1997,10(4):261-272.
• [3]Eftekhari A,Talia J E,Mazumdar P K.Influence of surface condition on the fatigue of an aluminum-lithium alloy(2090-T3)[J].Mater Science and Engineering A,1995,199(2):L3-L6.
• [4]Peyre P,Fabbro R,Merrien P,et al.Laser shock processing of aluminium alloys:Application to high cycle fatigue behaviour[J].Mater Sci Eng A,1996,210(1-2):102-113.
• [5]Taylor D,Clancy O M.Fatigue performance of machined surfaces[J].Fatigue and Fracture of Engineering Materials and Structures,1991,14(2-3):329-336.
• [6]Tonshoff H K,Kroos F,Marzenell C.High pressure water peening-a new mechanical surface-strengthening process[J].CRIP Annals-Manufacturing Technology,1997,46(1):113-116.
• [7]Daniewicz S R,Cummings S D.Characterization of a water peening process[J].Journal of Engineering Materials and Technology,Transactions of the ASME,1999,121(3):336-340.
• [8]Sahaya G A,Gnanamoorthy R.A novel surface modification technique for the introduction compressive residual stress and preliminary studies on aluminum alloy AA6063[J].Surface and Coatings Technology,2006,201(3-4):1768-1775.
• [9]Sahaya G A,Gnanamoorthy R.Surface modification by oil jet peening in Al alloy AA6063-T6and AA6061-T4:Residual stress and hardening[J].Applide Surface Science,2006,253(2):989-996.
• [10]Odhiambo D,Soyama H,Cavitation shotless peening for improvement of fatigue strength of carbonized steel[J],International Journal of Fatigue,2003,25(9-11):1217-1222
• [11]崔谟慎,孙家骏.高压水射流技术[M].北京:煤炭工业出版社,1992.
• [12]方博武.受控喷丸与残余应力理论[M].济南:山东科学技术出版社,1991.
• [13]Sun Z,Kang X Q,Wang X H.Experimental system of cavitation erosion with water-jet[J].Materials and Design,2005,26(1):59-63.

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