期刊
JOURNAL OF COMPOSITE MATERIALS
卷 51, 期 16, 页码 2263-2276出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0021998316669578
关键词
Carbon materials; microwave processing; mechanical and physical properties of composite
资金
- Iran Polymer and Petrochemical Institute (IPPI)
Carbon compounds have high dielectric losses, which means that these materials are heated efficiently by microwave irradiation. Carbon materials can be used as microwave absorbers in polymeric materials that are transparent to microwave irradiation. In this paper, carbon-reinforced polypropylene composites were exposed to microwave irradiation and then their dynamic mechanical thermal properties, electromagnetic shielding, and surface morphology were investigated. The test results showed that mechanical and physical properties of carbon-polypropylene composites improved following microwave exposure. The dynamic mechanical thermal analysis results showed that their storage and loss modulus were improved following microwave treatment. It is postulated that microwave irradiation heats carbon materials, which is likely to melt neighboring matrix thus improving interfacial adhesion and structural defects.
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