| FEM的焊接式蜂窝铝板疲劳性能研究 |
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| 引用本文： | 彭明军,孙勇,段永华,王塞北,王琨. FEM的焊接式蜂窝铝板疲劳性能研究[J]. 昆明理工大学学报(自然科学版), 2011, 36(5): 26-31 |
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| 作者姓名： | 彭明军 孙勇 段永华 王塞北 王琨 |
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| 作者单位： | 1. 昆明理工大学,材料科学与工程学院,云南,昆明,650093
2. 昆明贵金属研究所,云南,昆明,650221 |
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| 基金项目： | 国家财政部产业技术成果转化项目. |
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| 摘 要： | 针对钎焊蜂窝铝板在不同应力下的疲劳寿命差异，采用有限元软件ANSYS在蜂窝芯的L方向和w方向上分析蜂窝芯边长和壁厚对蜂窝板疲劳寿命的影响．钎焊蜂窝铝板的s—N曲线结果表明，蜂窝板因为其内部蜂窝芯的排列方式不同而产生各向异性，L向的力学性能优于w向．当蜂窝芯子边长和壁厚都相同时，在相同的循环载荷下，蜂窝板的疲劳寿命值随着面板厚度的增加而增大，当面板厚度增加到一定值后，蜂窝板疲劳寿命是相同的．
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| 关 键 词： | 焊接蜂窝铝板 三点弯曲 疲劳 S—N曲线 |
Fatigue Properties of FEM-Based Welding Aluminum Honeycomb |
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| PENG Ming-jun,SUN Yong,DUAN Yong-hua,WANG Sai-bei,WANG Kun. Fatigue Properties of FEM-Based Welding Aluminum Honeycomb[J]. Journal of Kunming University of Science and Technology(Natural Science Edition), 2011, 36(5): 26-31 |
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| Authors: | PENG Ming-jun SUN Yong DUAN Yong-hua WANG Sai-bei WANG Kun |
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| Affiliation: | 1. Faculty of Material Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China; 2. Kunming Institute of Precious Metals, Kunming 650221, China) |
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| Abstract: | The aluminum honeycomb has different fatigue life under different stresses. Using the finite element software ANSYS in the L direction and the W direction of the honeycomb core, the effects of honeycomb panels by side length and thickness of honeycomb core on fatigue life are investigated. The results of honeycomb panels S - N curves show that honeycomb panels are of anisotropy because of the different arrangements of internal hon- eycomb core, and that the mechanical properties in W direction are better. The fatigue life of honeycomb panels increases with the panel thickness in the same cycle of load when the side length and thickness of honeycomb core remain the same. However, the fatigue life of honeycomb panel is the same after the panel thickness increases to a certain value. |
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| Keywords: | welding aluminum honeycomb three -point bending fatigue S -N curve |
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