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; solid state reaction; SnO2 nanorods; flux medium; solid-state transformation; [全文内容正在添加中] ......
带钢热连轧机工作辊非稳态传热的数值模拟冯明杰1,王恩刚1,赫冀成1(1.辽宁省沈阳市东北大学材料电磁过程研究教育部重点实验室)摘 要:以Flunet 6.3为平台,利用多重坐标系和自定义函数功能,研究了3种常用复合轧辊在带钢热连轧过程中的非稳态温度波和热流波的传播特点,并对其引起的热冲击现象进行了探讨.结果表明,辊内的温度分布和传播特点可以分为高频和低频2种非稳态温度波来进行研究.高频温度波随着深度的增加快速衰减,最大影响深度不超过7.5 mm,而低频温度波衰减较慢,深度超过了20 mm.热冲击随着深度的增加而......
STUDY OF SYNTHETIC TREATMENT FLUX WITH MODIFICATION AND REFINEMENT 0F ALUMINUM-SILICON ALLOY薛亦渝,张幼陵,罗顶新,杜新军,辜志强摘 要:<正>WZC-1,the synthetic treatment flux of alu-minum alloy,has double functions:refinement and long effec-tive modification.The term of validity of modification is aslong as six hours,and the pinhole density of castings reachesgrade......
critical current density(Jc) is reviewed based on their influences on the upper critical field(Hc2),flux pinning force,and connectivity.The doping effects were compared in the overview focusing on SiC... and the strong flux pinning force offered by the nanosized secondary phases in the MgB2 matrix.Organic dopants have the advantage over SiC dopant for their relatively homogeneous distribution......
Activated flux tungsten inert gas welding of 8 mm-thick AISI 304 austenitic stainless steelLIU Guan-hui(刘观辉)1, 2, LIU Mei-hua(刘美华)1, YI Yao-yong(易耀勇)2, ZHANG Yu-peng(张宇鹏)2, LUO Zi-yi(罗子艺)2, XU Lei(许... Institute for Industrial Technology), Guangzhou 510650, China)Abstract:AISI 304 stainless steel plates were welded with activated flux tungsten inert gas (A-TIG) method by utilizing self-developed......
Microstructure and performance of AZ80D magnesium alloy by purification of chloride flux containing ErZhong-Jun Wang1,2,Guan-Qiao Su1,Wei-Ping Jia1,2,Qing-Xiang Yang31. School of Material...="ChDivSummary" name="ChDivSummary">The purification effects of Er addition in chloride flux during smelting on microstructure, tensile properties, and corrosion resistance of as-cast AZ80 D magnesium......
Flux and concentration effect on Eu3+ doped Gd2(MoO4)3 phosphor程丽红,仲海洋,孙佳石,张翔清,彭勇,于涛,赵晓霞摘 要:A novel red emitting phosphor Gd2(MoO4)3:Eu3+ was prepared by solid reaction, using Gd2O3, Eu2O3 and WO3 as starting materi- als and NH4F as flux. The effects of flux content and Eu3+ concentration on the crystal structure, morphology and luminescent properties......
圆坯中频电磁软接触结晶器内磁场分布实验研究王朝阳1,王恩刚1,张兴武1,赫冀成1(1.辽宁省沈阳市东北大学材料电磁过程研究教育部重点实验室)摘 要:为了研究中频电磁软接触连铸结晶器内磁场分布,通过实验的方法测量出不同电参数和工艺参数下圆坯中频电磁软接触连铸结晶器内磁感应强度的分布情况.实验结果表明:结晶器内磁感应强度随着功率和感应线圈电流的增加而增加;相同功率时随着电源频率的增加先增大后减小,相同电流时随着频率的增加而增加,但是增幅却在减小;在本实验中,相同功率下频率为2500 Hz时产生的磁感应强度最大;随着......
Magnetic Flux Alignment Studies on Entrapped Ferrofuid Nanoparticles in Poly Vinyl Alcohol MatrixK.Jeyasubramanian1,N.Selvakumar1,P.Santhoshkumar1,Sumanta Kumar Sahoo41. Nano Science and Technology... of magnetic field possesses randomly oriented domains,whereas film developed with magnetic field shows well aligned flux lines.The characteristics and nature of forces acting between magnetic domains along......
A new hybrid method-combined heat flux method with Monte-Carlo method to analyze thermal radiationZengwu Zhao1,2), Daqiang Cang1), Wenfei Wu2), Yike Li2), and Baowei Li2) 1) Metallurgical...="ChDivSummary"><正>A new hybrid method, Monte-Carlo-Heat-Flux (MCHF) method, was presented to analyze the radiative heat transfer of participating medium in a three-dimensional rectangular......
