Determinatio  of Specific Heat Capacity of Fiber and Resin Matrix Composites by Micro-calorimeter

doi:10.3969/j.issn.1000-1093.2015.10.019

Abstract

Abstract: In order to study a method of determining the specific heat capacity of fiber and resin matrix composites by micro-calorimeter, the sensitivity curve of micro-calorimeter is determined by Joule effect. The specific heat capacity of standard sample α-Al₂O₃ in the range of 30～150 ℃ is obtained by micro-calorimeter , and the maximum difference between their test values and literature values is 2.41%. The measuring accuracy of the method is high. And the continuous specific heat capacities of carbon fiber and three kinds of resin matrix composites are gained by using the method. The results show that the micro-calorimeter could accurately and conveniently determine the continuous specific heat capacities of fiber and compound materials and also the change regulation of specific heat capacities with temperature. The change regulations of c_p of fiber and resin matrix composites are discussed.

Key words: composite material, micro-calorimeter, specific heat capacity, fiber compound material, change regulation

CLC Number:

TB324

MENG Xiang-yan， LIU Yun-chuan， ZHOU Yan-ping， WANG Xue-rong， WANG Kang，. Determinatio of Specific Heat Capacity of Fiber and Resin Matrix Composites by Micro-calorimeter[J]. Acta Armamentarii, 2015, 36(10): 1962-1966.

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Determinatio of Specific Heat Capacity of Fiber and Resin Matrix Composites by Micro-calorimeter

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