## Abstract This article presents results on the dynamic mechanical properties of PPβSiO~2~ nanocomposites, with nanosilica contents of 1, 3, and 5% by weight, at various strain rates using a Split Hopkinson Pressure Bar (SHPB) apparatus. The specimens were prepared using a hot compression techniqu
Compressive mechanical behavior of carbon/carbon composites under dynamic loading
β Scribed by Qin-lu Yuan; Yu-long Li; He-jun Li; Ling-jun Guo; Shui-ping Li
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 39 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0008-6223
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β¦ Synopsis
Carbon microspheres (CMSs) were synthesized by chemical vapor deposition in an Ar atmosphere using deoiled asphalt as carbon source. KMnO 4 aqueous solutions with different concentrations were used to oxidize the CMSs to form MnO 2 -coated CMSs (MnO 2 /CMS composites) and H 2 C 2 O 4 solution was used to wash the MnO 2 /CMS composites to remove MnO 2 to obtain oxidized CMSs. The morphology and structure of the CMSs before and after MnO 2 deposition, as well as the oxidized CMSs, were characterized by field-emission scanning electron microscopy and X-ray diffraction. The dispersion of the oxidized CMSs in water and ethanol
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