Fatigue performance of adhesively bonded single lap joints with non-flat sinusoid interfaces

被引：42

作者：

Ayatollahi, M. R. ^{[1
]}

Samari, M. ^{[1
]}

Razavi, S. M. J. ^{[1
]}

da Silva, L. F. M. ^{[2
]}

机构：

[1] Iran Univ Sci & Technol, Fatigue & Fracture Lab, Ctr Excellence Expt Solid Mech & Dynam, Sch Mech Engn, Tehran 16846, Iran

[2] Univ Porto, Dept Mech Engn, Fac Engn, Oporto, Portugal

来源：

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 2017年 / 40卷 / 09期

关键词：

failure; fatigue; joint interface; non-flatness; single lap joint; STRESS-DISTRIBUTION; SHAPE OPTIMIZATION; SHEAR; STRENGTH; COMPOSITES; DESIGN; TIP; GEOMETRY; NOTCHES; MODE;

D O I：

10.1111/ffe.12575

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The role of a sinusoid interface shape on the load bearing capacity and fatigue life of adhesively bonded single lap joints (SLJs) was investigated numerically and experimentally. Aluminium adherends with wavy interfaces were tested under both quasi-static and fatigue loading conditions. The experimental results showed that the non-flat SLJs were indeed much stronger than the conventional flat joints. In order to fully demonstrate the advantage of the non-flat sinusoid SLJ over the conventional SLJ, comparative fatigue tests with different loading levels were performed to determine the durability performance of the SLJs with non-flat interfaces. The experimental results revealed that the non-flat SLJ had considerably higher fatigue life than the conventional lap joint.

引用

页码：1355 / 1363

页数：9

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