X-cor夹层结构的剪切模量实验与分析
通过力学分析得到考虑Z-Pin拉压受力情况的X-cor夹层结构剪切模量的解析式,并通过剪切刚度实验值和理论值的对比分析,得到考虑刚度折减系数M的修正理论公式。结果表明：加载过程中,Z-Pin从面板拔出是剪切刚度折减的原因。通过缩小Z-Pin长度的差异及提高Z-Pin从面板拉脱力的大小增大剪切刚度折减系数M,进而提高夹层结构的剪切刚度。...
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| Published in | 材料工程 no. 5; pp. 59 - 65 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
南京航空航天大学无人机研究院,南京210016%南京航空航天大学材料科学与技术学院,南京,210016
2014
南京航空航天大学材料科学与技术学院,南京210016 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4381 1001-4381 |
| DOI | 10.11868/j.issn.1001-4381.2014.05.011 |
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| Abstract | 通过力学分析得到考虑Z-Pin拉压受力情况的X-cor夹层结构剪切模量的解析式,并通过剪切刚度实验值和理论值的对比分析,得到考虑刚度折减系数M的修正理论公式。结果表明：加载过程中,Z-Pin从面板拔出是剪切刚度折减的原因。通过缩小Z-Pin长度的差异及提高Z-Pin从面板拉脱力的大小增大剪切刚度折减系数M,进而提高夹层结构的剪切刚度。 |
|---|---|
| AbstractList | 通过力学分析得到考虑Z-Pin拉压受力情况的X-cor夹层结构剪切模量的解析式,并通过剪切刚度实验值和理论值的对比分析,得到考虑刚度折减系数M的修正理论公式。结果表明：加载过程中,Z-Pin从面板拔出是剪切刚度折减的原因。通过缩小Z-Pin长度的差异及提高Z-Pin从面板拉脱力的大小增大剪切刚度折减系数M,进而提高夹层结构的剪切刚度。 TB332; 通过力学分析得到考虑Z-Pin拉压受力情况的X-cor夹层结构剪切模量的解析式,并通过剪切刚度实验值和理论值的对比分析,得到考虑刚度折减系数M的修正理论公式.结果表明:加载过程中,Z-Pin从面板拔出是剪切刚度折减的原因.通过缩小Z-Pin长度的差异及提高Z-Pin从面板拉脱力的大小增大剪切刚度折减系数M,进而提高夹层结构的剪切刚度. |
| Author | 单杭英 肖军 李宁 尚伟 张向阳 |
| AuthorAffiliation | 南京航空航天大学材料科学与技术学院,南京210016 南京航空航天大学无人机研究院,南京210016 |
| AuthorAffiliation_xml | – name: 南京航空航天大学材料科学与技术学院,南京210016;南京航空航天大学无人机研究院,南京210016%南京航空航天大学材料科学与技术学院,南京,210016 |
| Author_FL | XIAO Jun SHAN Hang-ying ZHANG Xiang-yang LI Ning SHANG Wei |
| Author_FL_xml | – sequence: 1 fullname: SHAN Hang-ying – sequence: 2 fullname: XIAO Jun – sequence: 3 fullname: LI Ning – sequence: 4 fullname: SHANG Wei – sequence: 5 fullname: ZHANG Xiang-yang |
| Author_xml | – sequence: 1 fullname: 单杭英 肖军 李宁 尚伟 张向阳 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.11868/j.issn.1001-4381.2014.05.011 |
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| DocumentTitleAlternate | Experiment and Analysis on Shear Modulus of X-cor Sandwich |
| DocumentTitle_FL | Experiment and Analysis on Shear Modulus of X-cor Sandwich |
| EISSN | 1001-4381 |
| EndPage | 65 |
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| Keywords | stiffness discount 刚度折减 modified theoretical formula shear modulus X-cor夹层结构 bettering craft 修正理论公式 剪切模量 改进工艺方法 X-cor sandwich |
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| Notes | 11-1800/TB X-cor sandwich ; shear modulus ; stiffness discount; modified theoretical formula ; bettering craft An analytical formula was derived for the shear modulus of X-cor sandwich structure based on mechanical analysis of tensile and compressive stress in Z-Pins. By comparing results from test and calculation, the modified theoretical formula of shear modulus was achieved concerning stiffness discount factor M. The results show that the stiffness discount roots in Z-Pin being pulled from face skin under load. Higher stiffness discount factor M can be obtained by bettering the craft, including decreasing Z-Pin length difference or elevating the pull-out force of Z-Pin, and then sandwich shear modulus can be further improved. SHAN Hang-ying ,XIAO Jun ,LINing ,SHANG Wei ,ZHANG Xiang-yang （1 College of Materials Science and Technology, Nanjing University of Aeronautics ＆ Astronautics,Nanjing 210016,China; 2 Institute of Unmanned Aerial Vehicle,Nanjing University of Aeronautics ＆ Astronautics,Nanjing 210016,Chin |
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| PublicationTitle | 材料工程 |
| PublicationTitleAlternate | Journal of Materials Engineering |
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| PublicationYear | 2014 |
| Publisher | 南京航空航天大学无人机研究院,南京210016%南京航空航天大学材料科学与技术学院,南京,210016 南京航空航天大学材料科学与技术学院,南京210016 |
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| SubjectTerms | X-cor夹层结构 修正理论公式 刚度折减 剪切模量 改进工艺方法 |
| Title | X-cor夹层结构的剪切模量实验与分析 |
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