Effect of Bond Thickness on the Fracture Toughness of Adhesive Joints-Reference-Cited by-同舟云学术

Effect of Bond Thickness on the Fracture Toughness of Adhesive Joints

Published:2004-01-01 Issue:1 Volume:126 Page:14-18
ISSN:0094-4289
Container-title:Journal of Engineering Materials and Technology
language:en
Short-container-title:

Author:

Lee Deok-Bo¹,Ikeda Toru²,Miyazaki Noriyuki²,Choi Nak-Sam³

Affiliation:

1. The BK21 Division for Research and Education in Mechanical Engineering, Hangyang University, 17 Haengdang-dong, Sungdong-ku, Seoul 133-791, Korea

2. Department of Chemical Engineering, Graduate School of Engineering, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan

3. Department of Mechanical Engineering, Hanyang University, 1271 Sa-1 dong, Ansan-si, Kyunggi-do 425-791, Korea

Abstract

The effect of bond thickness on the fracture toughness of adhesive joints was investigated from a microstructural perspective, using compact tension (CT) adhesive-joint specimens with different bond thicknesses. The adhesive material was a rubber-modified epoxy resin with 12.5 wt% carboxy-terminated butadiene acrylonitrile (CTBN) elastomer. The shapes of the rubber particles dispersed in adhesive layers of damaged and undamaged specimens were observed with an optical microscope. The damage was distributed along the interfaces between the adhesive layer and the two adherends. The results show that the primary causes of variations in the fracture toughness of an adhesive joint with the bond thickness are not only a damage zone around a crack tip but also the combination of a damage zone around a crack tip and additional damage zones along the interfaces.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/materialstechnology/article-pdf/126/1/14/5699749/14_1.pdf

Reference22 articles.

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2. Mostovoy, S., and Ripling, E. J., 1971, “Effect of Joint Geometry on the Toughness of Epoxy Adhesives,” J. Appl. Polym. Sci., 15, pp. 661–673.

3. Bascom, W. D., Cottington, R. L., Jones, R. L., and Peyser, P., 1975, “The Fracture of Epoxy and Elastomer-Modified Epoxy Polymers in Bulk and as Adhesives,” J. Appl. Polym. Sci., 19, pp. 2545–2562.

4. Bascom, W. D., and Cottington, R. L., 1976, “Effect of Temperature on the Adhesive Fracture Behavior of an Elastomer-Epoxy Resin,” J. Adhes., 7, pp. 333–346.

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