Zobrazeno 1 - 10
of 37
pro vyhledávání: '"P.V. Prabhakaran"'
Publikováno v:
Ceramics International. 45:25092-25096
The present work focuses on the synthesis of ZrB2 based ceramics via a preceramic route, which involves the preparation of ceramic slurry with Zirconium silicate or zircon (ZrSiO4), boron carbide (B4C), phenolic resin and ethanol as the raw materials
Autor:
P.V. Prabhakaran, M. Subramania Siva, Sandhya G. Nair, Deepthi Thomas, Renjith Devasia, K. J. Sreejith
Publikováno v:
Ceramics International. 45:17442-17446
A low-viscous liquid polycarbosilane (LPCS) is being proposed as a silicon carbide (SiC) precursor for chemical liquid vapour deposition (CLVD) process. The LPCS was characterized by Gel permeation chromatography (GPC), Fourier transformation infrare
Publikováno v:
Materials Chemistry and Physics. 205:269-277
Effect of boron inclusion in SiOC polymer derived matrix on the mechanical and oxidation resistance properties of fiber reinforced composites was investigated. SiC/SiBOC ceramic matrix composites were fabricated using Nicalon and Sylramic silicon car
Publikováno v:
Ceramics International. 42:15285-15293
Vinyl-functionalized borosiloxane oligomers were synthesized by reacting boric acid and vinyltris(2-methoxyethoxy)silane (VTMEOS) in the mole ratio 1:2, 1:1.5 and 1:1 under non-aqueous conditions using diglyme as solvent. Use of vinyltris(2-methoxyet
Publikováno v:
Ceramics International. 41:3574-3577
In the present study, liquid polycarbosilane (LPCS) has been synthesized in the form of low viscous resin, by the heat-treatment of polydimethylsilane (PDMS) in an autoclave at 400 °C for 5 h. The spectral and thermal characterizations carried out a
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Publikováno v:
Materials Science Forum. 710:786-791
A low cost, easily processable, multi layered functionally graded ceramic coating of thickness ~1000 µm was developed to protect metallic substrates from the risk of thermal oxidation. It consists of a four layered functionally graded coating consis
Publikováno v:
Journal of Materials Science. 44:528-533
Phenol-furfuraldehyde (PFu) resin synthesized in our laboratory was characterized for its thermal properties and mixed with elemental silicon and the mixture was evaluated as precursor for SiC ceramics. The mix on sintering at 1,500 °C gave nano-SiC
Publikováno v:
European Polymer Journal. 39:401-405
A series of polyamides and poly(amide–imide)s were prepared by the direct poly-condensation of 2,2-bis(4-aminophenoxy) benzonitrile [4-APBN] with aromatic dicarboxylic acids and bis(carboxyphthalimide)s in N-methyl-2-pyrrolidone [NMP] with tripheny
Publikováno v:
Current Science. 114:137
Flexible thermal protection material (flexible external insulation; FEI) is used in the Reusable Launch Vehicle-Technology Demonstrator (RLV-TD) leeward region where multiple curvatures are present. FEI configuration has silica cloth layers on either