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喷丸强化对2060铝锂合金表面完整性和疲劳性能的影响

徐星辰 刘道新 关艳英 成书民 刘红兵

徐星辰, 刘道新, 关艳英, 成书民, 刘红兵. 喷丸强化对2060铝锂合金表面完整性和疲劳性能的影响[J]. 机械科学与技术, 2016, 35(9): 1444-1449. doi: 10.13433/j.cnki.1003-8728.2016.0924
引用本文: 徐星辰, 刘道新, 关艳英, 成书民, 刘红兵. 喷丸强化对2060铝锂合金表面完整性和疲劳性能的影响[J]. 机械科学与技术, 2016, 35(9): 1444-1449. doi: 10.13433/j.cnki.1003-8728.2016.0924
Xu Xingchen, Liu Daoxin, Guan Yanying, Cheng Shumin, Liu Hongbing. Effect of the Shot Peening on the Surface Integrity and Fatigue Property of 2060 Aluminum Lithium Alloy[J]. Mechanical Science and Technology for Aerospace Engineering, 2016, 35(9): 1444-1449. doi: 10.13433/j.cnki.1003-8728.2016.0924
Citation: Xu Xingchen, Liu Daoxin, Guan Yanying, Cheng Shumin, Liu Hongbing. Effect of the Shot Peening on the Surface Integrity and Fatigue Property of 2060 Aluminum Lithium Alloy[J]. Mechanical Science and Technology for Aerospace Engineering, 2016, 35(9): 1444-1449. doi: 10.13433/j.cnki.1003-8728.2016.0924

喷丸强化对2060铝锂合金表面完整性和疲劳性能的影响

doi: 10.13433/j.cnki.1003-8728.2016.0924
基金项目: 

国家自然科学基金项目(51171154)资助

详细信息
    作者简介:

    徐星辰(1989-),硕士研究生,研究方向为材料的疲劳行为与表面强化技术,xaxxc@163.com

    通讯作者:

    刘道新(联系人),教授,博士生导师,liudaox@nwpu.edu.cn

Effect of the Shot Peening on the Surface Integrity and Fatigue Property of 2060 Aluminum Lithium Alloy

  • 摘要: 为提高2060新型铝锂合金的抗疲劳性能,研究了喷丸强化对2060-T8E30铝锂合金表面完整性和疲劳性能的影响规律。利用表面轮廓仪、X射线应力测试仪、扫描电子显微镜(SEM)以及透射电子显微镜(TEM)等测试和分析了铝锂合金喷丸处理前后的表面完整性变化;使用高频疲劳试验机评价了喷丸强化处理对2060-T8E30铝锂合金疲劳寿命的影响规律;探讨了喷丸强化表面完整性与疲劳性能之间的内在联系。结果表明:合理强度的喷丸强化处理能够显著提高2060-T8E30铝锂合金的疲劳寿命,但过高或过低强度的喷丸处理不能达到改善铝锂合金抗疲劳性能的最佳效果,此归因于喷丸强化处理对铝锂合金表面完整性影响作用的非单调变化规律。
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出版历程
  • 收稿日期:  2014-12-08
  • 刊出日期:  2016-09-05

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