Environmental effect on the fatigue degradation of adhesive joints: A review

被引:91
作者
Costa, M. [1 ]
Viana, G. [1 ]
da Silva, L. F. M. [2 ]
Campilho, R. D. S. G. [3 ]
机构
[1] INEGI, Rua Dr Roberto Frias 400, Oporto, Portugal
[2] FEUP, Dept Engn Mecan, Rua Dr Roberto Frias, P-4200465 Oporto, Portugal
[3] Inst Politecn Porto, ISEP, Dept Engn Mecan, Rua Dr Antonio Bernardino de Almeida 431, Oporto, Portugal
关键词
Environment; fatigue; moisture; Paris Law; S-N curves; temperature; SUBCRITICAL CRACK-GROWTH; FRACTURE-MECHANICS; EPOXY-RESINS; LAP JOINTS; PART I; BEHAVIOR; WATER; DURABILITY; TEMPERATURE; POLYMER;
D O I
10.1080/00218464.2016.1179117
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Environmental factors, such as temperature and moisture, are known to have a degrading effect on the mechanical properties and performance of adhesive joints, which may be perceived as a non-problem because various works have shown that the static response of an adhesive is normally unaffected by slight moisture and temperature variations that occur in real-world applications. While this may be true, performance under purely static conditions is rarely found in commercial uses and most adhesive joints are subjected to cyclic loadings throughout their life. Interestingly, not much work has been done on the effects of the environment on cyclically loaded adhesive joints, but the consensus is that the fatigue response is much more affected by environmental changes than the static response, which is arguably the most important analysis. The general trend is that hygrothermal ageing decreases the number of cycles the joint can withstand and also decreases the threshold fracture toughness value, which translates to cracks initiating sooner, but exceptions to these behaviours also exist.
引用
收藏
页码:127 / 146
页数:20
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