✦ LIBER ✦

Effects of rubber content and temperature on dynamic fracture toughness of ABS materials

✍ Scribed by Yanchun Han; Ralf Lach; Wolfgang Grellmann

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 248 KB
Volume: 75
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(20000328)75:13<1605::aid-app6>3.0.co;2-p

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✦ Synopsis

The effects of rubber content and temperature on dynamic fracture toughness of ABS materials have been investigated based on the J-integral and crack opening displacement (COD, ␦) concepts by an instrumented Charpy impact test. A multiple specimens R-curve method and stop block technique are used. It is shown that the materials exhibit a different toughness behavior, depending on rubber content and temperature. The resistance against stable crack initiation (J 0.2 or ␦ 0.2 ) increases with increasing rubber content. However, J 0.2 first increased with increasing temperature until reaching the maximum value; after that, it decreases with further increasing the temperature.

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