Improvement of the Adhesive Fracture Toughness of Bonded Aluminum Joints Using E-Glass Fibers at Cryogenic Temperature

被引：23

作者：

Yoon, Soon Ho ^{[1
]}

Kim, Byung Chul ^{[1
]}

Lee, Kwan Ho ^{[1
]}

Lee, Dai Gil ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea

来源：

JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY | 2010年 / 24卷 / 02期

关键词：

Adhesive joints; glass fibers; fracture toughness; crack propagation; fiber bridging; DCB test; COMPOSITE;

D O I：

10.1163/016942409X12541266699635

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Fracture toughness and crack resistance of aluminum adhesive joints were measured at the cryogenic temperature of -150 degrees C, with respect to the orientation and volume fraction of the E-glass fibers in the epoxy adhesive. Cleavage tests on the DCB (Double Cantilever Beam) adhesive joints were performed using two different test rates of 1.67 x 10(-2) and 8.33 x 10(-4) mm/s to observe the crack propagation trends. From the experiments, it was found that the DCB joints bonded with the epoxy adhesive reinforced with E-glass fibers not only showed a stable crack propagation with a low crack propagation speed, but also higher fracture toughness and crack resistance than those of the DCB joints bonded with the unreinforced epoxy adhesive at a cryogenic temperature of -150 degrees C. (C) Koninklijke Brill NV, Leiden, 2010

引用

页码：429 / 444

页数：16

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