共搜索到6541条信息，每页显示10条信息，共655页。用时：0小时0分0秒515毫秒
Microstructure of a Mo-Si-C-N multi-layered anti-oxidation coating on carbon/carbon composites by fused slurryJEON JaehoDepartment of Materials Technology, Korea Institute of Machinery & Materials摘 要:A Mo-Si-C-N multi-layered anti-oxidation coating was in-situ fabricated by introducing nitrogen atmosphere during the fused sintering of Mo-Si slurry pre......
Slurry wear characteristics of zinc-based alloys: Effects of sand content of slurry, silicon addition to alloy system and traversal distance ... with the observations pertaining to the effects of specimen and slurry compositions as well as traversal distance on the slurry wear response of a zinc-based alloy. The composition of the alloy was altered......
coating thickness on casting imperfection and porosity percentage as well as eutectic silicon spacing of the alloy. The results showed that increasing slurry viscosity and flask dipping time influenced... porosity. Key words: aluminum alloy; lost foam casting; coating thickness; slurry viscosity; dipping time; porosity 1 Introduction Lost foam casting (LFC) as a cost-effective and environmentally......
results were discussed through current theoretical ideas. Key words: TiO2 films; optical properties; nanostructure; electron microscopy; thin films; spin coating technique 1 Introduction Many theoretical... diameter. The absorption edge and the refractive index of nano TiO2 films were determined by reflectance and transmittance spectra performed on the films deposited on quartz substrates by spin coating......
Spin Dependent Hopping in Ti Doped La0.67Ca0.33MnO3 刘宜华1,梅良模1,原晓波1,张汝贞1,王成建1,黄宝歆1 (1.Department of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China... 0 to 0.17. The most important effect of Ti doping is to introduce spin clusters in the samples due to the distortion of local lattice and the inhomogeneous magnetic structure induced primarily......
Influence of a Protective Coating Slurry on Enhancing the Descaling Ability and Oxidation Resistance of 9% Nickel Steel何影1,2,魏连启1,ZHANG Xiaomeng1,ZHOU Xun3,SHAN Xin1,2,YE Shufeng11. State Key... 要:A kind of ceramic slurry was prepared and sprayed onto the surface of 9Ni steel at room temperature. The coating layer will not only reduce the depth......
Effects of Annealing Temperature on the Structural,Optical,and Electrical Properties of ZnO Thin Films Grown on n-Si<100>Substrates by the Sol–Gel Spin Coating MethodAniruddh Bahadur Yadav...">The effects of annealing temperature on the sol–gel-derived ZnO thin films deposited on n-Sh100 i substrates by sol–gel spin coating method have been studied in this paper.The structural,optical......
......
;
Abstract: Porous carbon/carbon preforms were infiltrated with melted silicon to form C/C-SiC composites. Three-layer Si-Mo coating prepared by slurry painting and SiC/Si-Mo multilayer coating... Si-Mo layer. Porous Si-Mo layer improves the thermal shock resistance of the coating.
Key words: C/C-SiC composites; oxidation protective coating; slurry painting; chemical vapor deposition
September 2009; accepted 30 January 2010 Abstract: The recent research and development of forged magnesium road wheel were reviewed. Methods of flow-forming, spin forging of manufacturing a forged... industry. Key words: magnesium alloy; road wheel; extrusion; flow-forming; spin forging 1 Introduction Magnesium alloy is promising structural light metal because of its low densities, good......
