航空铝合金激光激波强化工艺
Strengthening of Aerial Aluminum Alloy with Laser Shock Peening
摘 要
用激光激波强化工艺对LY2航空铝合金进行了表面强化试验研究,测试了强化前后材料的性能.结果表明：经激光激波强化后材料表面残余压应力提高了约100 MPa,强化深度达1.5 mm,是普通喷丸强化的2~5倍.
激光激波
强化
残余应力
aerial aluminum alloy
laser shock
strengthening
residual stress
Abstract
Aerial aluminum alloy LY12 was strengthened using laser shock peening technology.After laser shock peening,the residual stress at the surface of the material increased 100 MPa,the strengthened depth reached about 1.5 mm which was 2-5 times deeper than that by shot peening.
中图分类号 TG665 TN249
所属栏目
基金项目 国防预研基金资助项目(513270103)
收稿日期 2006/9/25
修改稿日期 2007/3/18
网络出版日期
作者单位点击查看
备注马壮(1981-),男,山东滕州人,博士研究生.
引用该论文: MA Zhuang,LI Ying-hong,REN Xu-dong,ZHOU Lei. Strengthening of Aerial Aluminum Alloy with Laser Shock Peening[J]. Materials for mechancial engineering, 2007, 31(8): 32～34
马壮,李应红,任旭东,周磊. 航空铝合金激光激波强化工艺[J]. 机械工程材料, 2007, 31(8): 32～34
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参考文献
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【2】张永康,周建忠,叶云霞,等.激光加工技术[M].北京:化学工业出版社,2004.
【3】Peyer P,Fabbro R,Berthe L.Laser shock processing:a review of the physics and application[J].Optical and Quantum Electronics,1995,27:1213-1219.
【4】Ruschau J J,John Re Ji,Thompson S R.Theodore nicholas,fatigue crack nucleation and growth rate behavior of laser shock peened titanium[J].International Journal of Fatigue,1999,21:199-209.
【2】张永康,周建忠,叶云霞,等.激光加工技术[M].北京:化学工业出版社,2004.
【3】Peyer P,Fabbro R,Berthe L.Laser shock processing:a review of the physics and application[J].Optical and Quantum Electronics,1995,27:1213-1219.
【4】Ruschau J J,John Re Ji,Thompson S R.Theodore nicholas,fatigue crack nucleation and growth rate behavior of laser shock peened titanium[J].International Journal of Fatigue,1999,21:199-209.
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