相关期刊:《Acta Metallurgica Sinica(English Letters)》《Science China(Technological Sciences)》《Journal of Wuhan University of Technology(Materials Science)》《Journal of Advanced Ceramics》更多>>
Silicon carbide (SiC) fiber has recently received considerable attention as promising next-generation fiber because of its high strength at temperatures greater than 1300 ℃ in air.High-quality SiC fiber is primarily ...
Funded by the Natural Science Foundation of Hubei Province(No.2013CFB340)
The pyrolysis behavior of polycarbosilane (PCS) and chemical reaction mechanism during the pyrolysis process were studied by thermogravimetric-mass spectrometry (TG-MS) combined with X-ray diffraction and infrared...
The polycarbosilane(PCS)precursor for SiC with high molecular weight and medium molecular weight distribution was synthesized from polydimethylsilane at normal pressure.The chemical formula,the number average molecula...
Project(51074193)supported by the National Natural Science Foundation of China;Projects(2011AA7024034,2011AA7053016)supported by the National High Technology Research and Development Program of China;Project(LK0903)supported by State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,Donghua University,China
Polycarbosilane containing beryllium(BPCS) precursors was prepared by the reaction of polycarbosilane(PCS) with beryllium acetylacetone(Be(acac)2).The analysis of structures and components of BPCS demonstrates that th...
Project (50572090) supported by the National Natural Science Foundation of China;Project (KP200901) supported by the Fund of the State Key Laboratory of Solidification Processing, China
β-SiC ceramic powders were obtained by pyrolyzing polycarbosilane in vacuum at 800-1200 °C. The β-SiC ceramic powders were characterized by TGA/DSC, XRD and Raman spectroscopy. The dielectric properties of β-SiC c...
The properties and structures of 3D-Cf/ SiC composites prepared by rapid precursor infiltration pyrolysis process were studied.PCS solution was infiltrated into 3D-carbon fiber perform in vacuum,then these performs we...
Projects (51175444,50532010) supported by the National Natural Science Foundation of China;Project (2011121002) supported by the Fundamental Research Funds for the Central Universities, China;Project (2009J1009) supported by Scientific and Technological Innovation Platform of Fujian Province,China
The yttrium as a sintering aid was introduced into polycarbosilane(PCS) to prepare yttrium-containing PCS(PYCS).Two types of yttrium-containing SiC fibres,the SiC(OY) fibres and the SiC(Y) fibres,were fabricat...
Using xylene as supercritical fluids (SCFs) media and polydimethylsilane (PDMS) as raw material, the ceramic precursor polycarbosilane (PCS) with moderate molecular weight and narrow molecular weights distribution was...
A highly branched polycarbosilane bearing allyl groups has been prepared by a one-pot synthesis with chloromethyltrichlorosilane, chloromethylmethyldichlorosilane and allyl chloride as the starting materials. The resu...
In the toluene solution of the precursor Polycarbosilane (PCS) containing low- molecular-mass additive Ti(OC4H9)4, TiO2/SiC nanometer-scale functional compositional film with the surface TiO2 layer on CF was formed in...