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Title: Freeze-Thaw Response of Glass-Polyester Composites at Different Loading Rates
Authors: Ray, B C
Keywords: glass fiber
mechanical behavior
crosshead speed
Issue Date: 2005
Publisher: Sage
Citation: Journal of Reinforced Plastics and Composites, Vol 24, No 16, P 1771-1776
Abstract: The present literature suggests the need for investigating and characterizing the freeze-thaw response of polymer composites under different loading rates and also at ambient and sub-ambient temperatures. The present experiment has been carried out with three different weight fractions (i.e., 0.55, 0.6, and 0.65) of glass fiber-reinforced polyester composites. The short beam shear specimens are suddenly exposed to - 80ºC for 2 h and then a three-point bend test is conducted instantaneously at this temperature. Another batch of samples is allowed to thaw at ambient temperature for 1 h and tested on flexural mode at ambient temperature. The testing was carried out for a range of 0.5-500 mm/min crosshead speed. The shear strengths at cryogenic temperature and thawing temperature are compared with the room temperature-tested data of the shear value of laminates.
Description: Copyright for this article belongs to Sage Publications doi:10.1177/0731684405052195
Appears in Collections:Journal Articles

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