Ablation and mechanical investigation of heat vulcanizing silicone rubber (HVSR) composite containing carbon fibers
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Yanhui Liu
Abstract
In this study, heat vulcanizing silicone rubber (HVSR) composites were prepared and the impact of the addition of carbon fibers (CFs) on the mechanical and ablation properties of the composite was demonstrated. It was found that with increasing content of CFs, the tensile property and the hardness of the composite increased significantly. The back-face temperature, the ablation rate and the ablation mechanism of the composite were discussed based on the data derived from several characterization methods, including oxygen-acetylene ablation device, scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier transform infrared (FTIR). Along with the increasing of the content of CFs, the mass and linear ablation rates both decreased, but the back-face temperature increased. The interaction between ablation layer and the composite became intense due to the addition of the CFs, which led to the difficult peel-off of the ablation layer. Four layers can be formed after the oxygen-acetylene ablation of the composite including the surface layer, the carbonization layer, the pyrolysis layer and the matrix layer. The ablation mechanism was also proposed. It mainly involves the carbonization of the composite, the ceramization of SiC and the shielding effect of the ablated layer.
Acknowledgments
We thank the General Program of Natural Science Foundation of China (51472048), the International Cooperation Project (F16-214-6-00) and the General Project of Science and Technology Research Project (F15-199-1-18) from Shenyang City Department of Science and Technology for financial support. Partial support from the Public-funded Projects Foundation (2015004001) of Liaoning Provincial Department of Science and Technology is also gratefully acknowledged. Yanhui Liu acknowledges Shenyang Ligong University for the award of an Open Fund of the Key Discipline for Materials Processing Engineering.
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Artikel in diesem Heft
- Frontmatter
- Original articles
- Preparation of epoxy/acrylonitrile-butadiene-styrene copolymer/short carbon fiber composites with a self-made conical mixer
- Preparation and characterization of poly (amide-ester-imide)/Na+-MMT nanocomposite via ultrasonic method
- Polyurethane membrane with a cyclodextrin-modified carbon nanotube for pervaporation of phenol/water mixture
- Fabrication of chitosan/PEO nanofiber mats with mica by electrospinning
- Effect of cooling induced crystallization upon the properties of segmented thermoplastic polyurethanes
- Conductivity and dielectric analysis of nanocolloidal polypyrrole particles functionalized with higher weight percentage of poly(styrene sulfonate) using the dispersion polymerization method
- Mechanism and solutions of appearance defects on microfluidic chips manufactured by UV-curing assisted injection molding
- Effect of gas counter pressure on shrinkage and residual stress for injection molding process
- Ablation and mechanical investigation of heat vulcanizing silicone rubber (HVSR) composite containing carbon fibers
- Cavitation desulfurization in vulcanized rubber recycling under ultra-high pressure water jet
Artikel in diesem Heft
- Frontmatter
- Original articles
- Preparation of epoxy/acrylonitrile-butadiene-styrene copolymer/short carbon fiber composites with a self-made conical mixer
- Preparation and characterization of poly (amide-ester-imide)/Na+-MMT nanocomposite via ultrasonic method
- Polyurethane membrane with a cyclodextrin-modified carbon nanotube for pervaporation of phenol/water mixture
- Fabrication of chitosan/PEO nanofiber mats with mica by electrospinning
- Effect of cooling induced crystallization upon the properties of segmented thermoplastic polyurethanes
- Conductivity and dielectric analysis of nanocolloidal polypyrrole particles functionalized with higher weight percentage of poly(styrene sulfonate) using the dispersion polymerization method
- Mechanism and solutions of appearance defects on microfluidic chips manufactured by UV-curing assisted injection molding
- Effect of gas counter pressure on shrinkage and residual stress for injection molding process
- Ablation and mechanical investigation of heat vulcanizing silicone rubber (HVSR) composite containing carbon fibers
- Cavitation desulfurization in vulcanized rubber recycling under ultra-high pressure water jet
