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| Properties Analysis of Carbon Fiber Reinforced Polypropylene Composites based on Digimat-RVE |
| Received:April 14, 2020 |
| DOI：10.11981/j.issn.1000-6842.2021.01.44 |
| Key Words:Digimat;carbon fiber composites;papermaking;RVE |
| Fund Project:电气及新能源用纸基复合材料制备技术（2017YFB0308200）。 |
| Author Name | Affiliation | E-mail | | SUN Shengran* | China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102
National Engineering Lab for Pulp and Paper， Beijing， 100102 | sunshengran1021@163.com | | WU Dongle | China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102
National Engineering Lab for Pulp and Paper， Beijing， 100102 | | | LUO Jiaqian | China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102
National Engineering Lab for Pulp and Paper， Beijing， 100102 | | | XU Yue | China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102
National Engineering Lab for Pulp and Paper， Beijing， 100102 | | | LIU Wen | China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102
National Engineering Lab for Pulp and Paper， Beijing， 100102 | | | XU Kaili | China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102
National Engineering Lab for Pulp and Paper， Beijing， 100102 | |
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| Abstract: |
| The Digimat software package was used to build representative volume element （RVE） for carbon fiber reinforced polypropylene （CF/PP） composites prepared by papermaking/hot press moulding and the influence of the carbon fiber content， aspect ratio， and fiber orientation in the matrix on the mechanical properties， thermal conductivity， and electrical conductivity of the CF/PP composites was investigated. The simulation results showed that the composite elastic modulus and electrical conductivity increased by 290% and 750%， respectively as carbon fiber content increased from 5 wt% to 30 wt%. Electrical conductivity of the CF/PP composites increased by around 54 times when the aspect ratio of carbon fibers rose from 100 to 700. The fiber orientation tensor had negligible effect on the elastic modulus and thermal conductivity of the CF/PP composites. When comparing the experimental results and the simulation results under test condition of 100℃， the error of thermal conductivity was 0.48%， indicating that the simulation results from Digimat software package was highly accurate. |
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