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材料工程  2013 

喷丸处理对高强度7150铝合金弯曲形变的影响

DOI: 10.3969/j.issn.1001-4381.2013.12.011, PP. 59-62

Keywords: 7150铝合金,喷丸处理,残余压应力,塑性变形,弯曲形变

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Abstract:

采用X射线衍射残余应力分析和衍射峰半高宽研究喷丸残余压应力和塑性变形对7150铝合金薄壁试样弯曲形变的影响。结果表明喷丸时间0~60s时,由于喷丸残余应力的引入和塑性变形的累积,试样弯曲形变速率较大,对于喷射压力为0.05MPa的试样,其值可达10.3μm/s;喷丸时间超过60s后,残余压应力场饱和,试样形变主要依靠喷丸表面的塑性变形,而试样弯曲形变速率降低到1.3μm/s。增大喷射压力将使试样的弯曲形变速率和相对弯曲形变总量增大。

References

[1]  HEINZ A, HASZLER A.Recent development in aluminum alloys for aerospace applications[J].Material Science and Engineering: A, 2000, 280:102-110.
[2]  王洪斌, 黄进峰, 杨滨, 等.Al-Zn-Mg-Cu系超高强铝合金的研究现状与发展趋势[J].材料导报, 2003, 17(9):1-3.WANG Hong-bin, HUANG Jin-feng, YANG Bin, et al. Current status and future directions of ultrahigh strenghth Al-Zn-Mg-Cu aluminum alloys[J]. Material Review, 2003, 17(9):1-3.
[3]  SRIVATSAN T S, SRIRAM S.Microstructure tensile deformation and fracture behavior of aluminum alloy 7055[J].Journal of Material Scienee, 1997, 32:2883-2894.
[4]  GANG S.Early-stage precipitation in AI-Zn-Mg-Cu alloy(7050)[J].Acta Materia, 2004, 52:4503-4516.
[5]  吴一雷, 李永伟, 强俊, 等.超高强度铝合金的发展与应用[J].航空材料学报, 1994, 14(1):49-55.WU Yi-lei, LI Yong-wei, QIANG Jun, et al. Development and application of super-high strength aluminum alloys[J]. Journal of Aeronautical Materials, 1994, 14(1):49-55.
[6]  田荣璋, 王祝堂.铝合金及其加工手册[M].长沙:中南大学出版社, 2000.
[7]  梅中义, 高红. 飞机铝合金结构件数控加工变形分析与控制[J]. 北京航空航天大学学报, 2009, 35(2):146-150.MEI Zhong-yi, GAO Hong. Analyzing and controlling distortion of aircraft aluminium alloy structural part in NC machining[J].Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(2):146-150.
[8]  WANG Zhao-jun, CHEN Wu-yi, ZHANG Yi-du, et al. Study on the machining distortion of thin-walled part caused by redistri bution of residual stress[J]. Chinese Journal Aeronautics, 2005, 18(2):175-179.
[9]  LIN Z C, LAI W L, LIN H Y, et al. The study of ultra-precision machining and residual stress for NiP alloy with different cutting speeds and depth of cut[J]. Journal of Material Technology, 2000, 97(1):200-210.
[10]  孙杰, 柯映林, 吴群, 等.大型整体结构件数控加工变形校正的关键技术研究[J].机械工程学报, 2003, 39(8):120-124. SUN J, KE Y L, WU Q, et al.Study on key technologies of straightening large-scale integrated parts' distortion due to machining[J].Chinese Journal of Mechanical Engineering, 2003, 39(8):120-124.
[11]  STARKE Jr E A, STALEY J T.Application of modern aluminum alloys to aircraft[J].Computational Material Science, 1996, 32(1-2):131-172.
[12]  HEINZ A, HASZLER A, KEIDEL C, et al.Recent development in aluminum alloys for aerospace applications[J].Material Science and Engineering:A, 2000, 280:102-107.
[13]  张洪伟, 张以都, 吴琼, 等. 航空整体结构件加工变形校正技术研究[J]. 兵工学报, 2010, 31(8):1072-1077. ZHANG Hong-wei, ZHANG Yi-du, WU Qiong, et al.Research on deformation straightening for aeronautical monolithic components[J].Acta Armamentarii, 2010, 31(8):1072-1077.
[14]  刘鸿文. 板壳理论[M]. 杭州:浙江大学出版社, 1987.
[15]  PREVEY P. Residual Stress in Design, Process and Material Selection[M].Ohio:ASM International, 1987.11-19.
[16]  PREVEY P. ASM Metals Handbook, Volume 10[M]. Ohio: ASM International, 1986.780-798.

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