共搜索到2220条信息，每页显示10条信息，共222页。用时：0小时0分0秒326毫秒
of Technology摘 要:Nanostructured molybdenum carbide(Mo2C) was successfully prepared from molybdenum trioxide(MoO 3) using methanothermal temperature-programmed... and at methane contents ranging from 5vol% to 20vol%, Mo2 C was the only solid product observed in the XRD patterns. The results indicated that the effect of methane content on the formation of the carbide phase......
Effect of vanadium carbide on commercial pure aluminumHua-ping Sun,Jun Wu,Tian Tang,Bo Fan,Zheng-hua TangSchool of Materials Science and Engineering,Sichuan University摘 要:The effect of vanadium carbide(VC) on the grain size of commercial pure aluminum was experimentally investigated by varying the content of VC, the holding time, and casting temperature......
......
......
Fabrication and test of reaction bond silicon carbide for optical applications YAO Wang(姚 旺), ZHANG Yu-min(张宇民), HAN Jie-cai(韩杰才), ZUO Hong-bo(左洪波) Center for Composite Materials, Harbin... that this reaction bonding process is a feasible method to produced high quality RBSiC optical mirror. Key words: RBSiC; silicon carbide; fabrication; optical applications; polishability; property......
A novel non-stoichiometric medium-entropy carbide stabilized by anion vacanciesChong Peng1,Hu Tang2,Yu He1,Xiaoqian Lu1,Peng Jia1,Guoying Liu1,Yucheng Zhao1,Mingzhi Wang11. State Key Laboratory... of materials,the synthesis,performance and applications of high-entropy ceramics are subject to further development.Here,we reported a new non-stoichiometric TiC0.4/WC/0.5Mo2C medium-entropy carbide(MEC......
Effect of Addition of Polytetrafluoroethylene (PTFE) and Silicon Carbide (SiC) on Properties of Electroless Nickel Alloy Coatings WU Yu-cheng1,HUANG Xin-min1,HU Xiao-ye1,WANG Wen-fang1 (1.Faculty of Materials Science and Engineering, Hefei University of Technology, 230009, Hefei, P. R. China) 摘要:Electroless nickel (copper)-phosphorus-silicon carbide (SiC)-polytetrafluoroethylene (PTFE......
Modeling of Nucleation and Growth of M23C6 Carbide in Multi-component Fe-based AlloyJef Vleugels,Omer Van der BiestDepartment of Metallurgy and Materials Engineering, Katholieke Uniersiteit Leuven, Kasteelpark Arenberg 44摘 要:Three-dimensional atom probe (3DAP) technique has been used to study the nucleation and growth of M23C6 carbide......
Phase Transformation and Carbide Precipitation of Functional Gradient Semi-solid 9Cr18 SteelYong-Jin Wang1,2,Ren-Bo Song1,Ren-Feng Song31. School of Materials Science and Engineering, University... transformation and carbide evolution in 9Cr18 steel were investigated during semi-solid forming and subsequent heat treatment. The functional gradient thixoforging 9Cr18 component was divided into inner......
Wettability of silicon carbide ceramic by Al2O3/Dy2O3 and Al2O3/Yb2O3 systemsJ.A.da Silva,B.M.Moreschi,G.C.R.Garcia,S.Ribeiro摘 要:Wettability is an important phenomenon in the liquid phase sintering of silicon carbide (SiC) ceramics.This work involved a study of the wetting of SiC ceramics by two oxide systems,Al2O3/Dy2O3 and Al2O3/Yb2O3,which have so......
