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胶接体系的胶接强度、粘结能及损伤破坏研究
Alternative TitleADHESIVE STRENGTH,ENERGY AND DAMAGE OF ADHESIVE BONDING SYSTEM
许巍; 魏悦广
Source Publication固体力学学报
2011-10-15
Volume32Issue:S1Pages:194-201
ISSN0254-7805
Abstract胶接是指一种用粘合剂实现连接和固持的方法,胶接形式的金属薄板在汽车工业,建筑业以及航空航天领域有着广泛的应用.论文采用有限元模拟方法,研究了该胶接体系在受载状态下的滑剪破坏行为,重点关注了胶层粘结能,搭接长度,胶层厚度对胶接接头承载能力的影响,同时初步探讨了胶层的界面损伤情况.胶层粘结能的提高能够显著提高接头的承载能力.此承载能力受搭接长度和胶层粘结能的共同影响,较大的粘结能情况下,提高搭接长度能够显著提高接头的承载能力.胶层厚度对接头的承载能力也存在影响,在论文考虑的厚度范围内,提高厚度能够增强接头的承载能力.最后初步考虑了接头在达到载荷峰值时刻的胶层损伤情况.
Other AbstractAdhesive bonding is a method used to achieve a connection and immobilization.The metal sheets connected by adhesive joints have a wide range of applications in the automotive industry,construction and aerospace.We use the finite element method to study the slipping and failure behavior of metal sheets with adhesive joints under tensile load,focusing on the adhesive energy of the adhesive layer,overlap length and glue layer thickness on the adhesive capability of the joints.The results show that increasing the adhesive energy can significantly improve the load bearing capability of adhesive joints.And the overlap length and the adhesive energy have combined influences on the load-bearing capability.Raising the overlap length can significantly improve the load bearing capability for the cases of larger adhesive energy.The load bearing capability can also be influenced by the thickness of adhesive layer,which is that increasing the thickness can enhance the load bearing capability in the thickness range considered in this paper.Finally,the damage of adhesive layer is considered preliminarily when the load increased to the peak value.
Keyword胶接体系 粘结能 损伤破坏
Subject Area力学
URL查看原文
Language中文
Funding Organization国家自然科学基金项目(11021262,10932011,90816004)资助
DepartmentLNM新型材料及结构的多尺度力学
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44975
Collection非线性力学国家重点实验室
Corresponding Author许巍
Recommended Citation
GB/T 7714
许巍,魏悦广. 胶接体系的胶接强度、粘结能及损伤破坏研究[J]. 固体力学学报,2011,32(S1):194-201.
APA 许巍,&魏悦广.(2011).胶接体系的胶接强度、粘结能及损伤破坏研究.固体力学学报,32(S1),194-201.
MLA 许巍,et al."胶接体系的胶接强度、粘结能及损伤破坏研究".固体力学学报 32.S1(2011):194-201.
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