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首页> 外文期刊>Journal of teoretical and applied mechanics >EXPERIMENTAL AND 3D NON-LINEAR STRESS ANALYSIS OF ADHESIVELY BONDED CURVED AND SCARF LAP JOINTS
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EXPERIMENTAL AND 3D NON-LINEAR STRESS ANALYSIS OF ADHESIVELY BONDED CURVED AND SCARF LAP JOINTS

机译：粘合粘合弯曲和围巾圈接头的实验和3D非线性应力分析

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摘要

Adhesive bonding is an excellent alternative to traditional joining techniques such as welding, riveting, and is commonly used in almost every sector of the industry. However, there are many factors that have to be accounted for during joint design to accurately predict strength of the joint. One of these is the design of adhesively bonded joints. The objective of this work is to study the influence of curvature on strength of adhesively bonded curved-lap joints. For that, different radii of curvature were introduced to the end zones of an aluminium sheet to which the adhesive is applied. Then, a scarf lap joint was obtained by increasing the radius of curvature for the same overlap length, and mechanical behaviour of curved and scarf lap joints was studied experimentally. Additionally, in the analyses, the Extended Drucker-Prager material model was used and to verify the finite element model, experiments were carried out. The results show that thickness, overlap length and curvature radius of the adherends have considerable influence on failure loads.
机译：粘合剂粘合是传统连接技术的优异替代方案，如焊接，铆接，并且通常用于工业的每个部门。然而，在联合设计期间必须考虑许多因素，以准确地预测关节的强度。其中一个是粘合接头的设计。这项工作的目的是研究曲率对粘合粘结曲线接头强度的影响。为此，将不同的曲率半径引入施加粘合剂的铝板的末端区域。然后，通过增加相同重叠长度的曲率半径来获得围巾圈接头，实验研究了弯曲和围巾圈接头的力学行为。另外，在分析中，使用延长的滴屑级材料模型并验证有限元模型，进行实验。结果表明，粘物的厚度，重叠长度和曲率半径对失效负载具有相当大的影响。

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