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was analyzed. Key words: TaC coating; C-TaC composite coating; chemical vapor deposition(CVD); phase composition; coating morphology; low stress coating 炭/炭(C/C)材料具有轻质高强, 高温强度高, 优异的抗热震性能和摩擦磨损性能, 以及性能..., ZHANG Bing-zhong, et al. Chemical vapor deposition of zirconium carbide coating[J]. Journal of Tsinghua University(Sci & Tech), 2000, 40(12): 59-62. [16]Teghil R, Alessio L D, De Maria G , et al......
polished by CeO2-coated SiO2 composite abrasives is 0.281 nm, and the material removal rate reaches 454.6 nm/min. Key words: CeO2-coated SiO2 composite abrasives; coating; chemical mechanical...) Abstract: The SiO2 nanoparticles prepared by the hydrolyzing tetraethylorthosilicate were directly coated with CeO2 by chemical precipitation technique. The as-prepared samples were analyzed with X-ray......
; Abstract: The titanium film was coated on the surface of diamond crystal in order to improve the chemical properties of diamond and the effect of titanium coating on the property... produces a chemical combination between titanium and vitrified bond. Therefore the contact angle between vitrified bond and diamond with coating titanium gets smaller than that between vitrified bond......
Ultrasonication solid state chemical reaction synthesis and characterization of nanocrystalline Zn(Oxin)2?2H2O (zinc 8-quinolinolate) LI Dao-hua(李道华) Department of Chemistry and Life Science... 8-quinolinolate) was synthesized by solid state chemical reaction. The particle size distribution was relatively uniform, the morphology of the mare was ball like particle. The phase, particle size......
Study on Anticorrosive Cerium Conversion Coating of Cf/6061Al Composite Surface Zhang Qiang1,Wang Chunyu1,Zhou Ji1,Wu Gaohui1 (1.School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China) Abstract:The optimum chemical passivation process of the rare earth metal (REM) conversion coating on the Cf/6061Al composite surface was introduced in this paper......
from corrosion. The effective protection measurements include chemical conversion, anodizing, electroless plating, electroplating and organic coating and so on[3-7]. Among these surface treatment... coating on the magnesium alloys was investigated. 2 Experimental The experimental materials used for the investigation were AZ91D magnesium alloy with dimensions of 40 mm×40 mm×2 mm. The chemical......
. The various processes include chemical conversion coating[3-4], anodizing[5], microarc oxidation[6], physical vapor deposition (PVD)[7], chemical vapor deposition (CVD)[8], ion implantation[9] and heat... where a chemical reaction between alumina gel and the phosphate is initiated. The chemical bonding through phosphating eliminates the porosity and enhances the densification of the coating effectively......
. Key words: magnesium alloy; chemical conversion coating; phosphate; stannate; rare earth; corrosion  ... Society, 2005, 23(1): 40?43. [29] DABALA M, BRUNELLI K, NAPOLITANI E, MAGRINI M. Cerium-based chemical conversion coating on AZ63 magnesium alloy[J]. Surf & Coatings Technol, 2003, 172(2/3): 227?232......
A Review:Structural Oxide Coatings by Laser Chemical Vapor DepositionTakashi GOTOInstitute for Materials Research,Tohoku University摘 要:Yttria-stabilized zirconia and-alumina films were prepared by laser chemical vapor deposition at deposition rates of several hundred micrometers per hour.Moreover,the structural oxide coatings by laser chemical vapor......
and exhibited very poor hot corrosion resistance. Enamel coating could remarkably improve the high temperature oxidation resistance of Ti-22Al-25Nb alloy because it had good chemical stability and matched thermal expansion coefficient with the substrate. In (Na,K)2SO4+NaCl molten salts at 800 ℃, chemical reactions between molten salts and enamel coating occurred and complicated products formed......