Blister tests on thin-walled composite structures at different temperatures

被引：2

作者：

Huebsch, Jan David ^{[1
]}

Rosendahl, Philipp Laurens ^{[2
]}

Mittelstedt, Christian ^{[3
]}

机构：

[1] Dr Ing HcF Porsche AG, Dept Concept Lightweight Design, Porschestr 911, D-71287 Weissach, Germany

[2] Tech Univ Darmstadt, Inst Struct Mech & Design, Dept Civil & Environm Engn Sci, Franziska Braun Str 3, D-64287 Darmstadt, Germany

[3] Tech Univ Darmstadt, Inst Lightweight Construct & Design, Dept Mech Engn, Otto Berndt Str 2, D-64287 Darmstadt, Germany

来源：

INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES | 2021年 / 110卷

关键词：

Epoxies; Composites; Destructive testing; Glass transition temperature; Co-curing; T-G; FRACTURE; DELAMINATION; INVESTIGATE; STRENGTH; FILMS;

D O I：

10.1016/j.ijadhadh.2021.102907

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Blister tests are widely used to characterize adhesives on substrates. In this paper, pressurized blister tests are performed at different temperatures between -40 degrees C and 180 degrees C with two different glass fiber-reinforced plastic laminates. The paper examines the influence of surface pretreatment and geometric features of the substrate. The resulting burst pressures vary between 1 bar and 150 bar. Our studies show that the main influences on burst pressures at high temperatures are glass-transition temperature and storage modulus, and at low temperatures brittleness of the epoxy. Surface pretreatment of corundum blasting results in the highest burst pressures. While the gap width has a big impact on burst pressures, gap spacings show little influence.

引用

页数：13

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