材料期刊网

3-D Numerical Simulation of the Electromagnetic Dam of Twin Roll Casting using Edge Element Method

Peiwei BAO , Hongshuang DI , Aiwen QIAN , Xiaoming ZHANG , Guodong WANG

材料科学技术（英文）

The 3-dimension numerical simulation study on the electromagnetic dam used in the twin roll caster has been performed by using the edge element method. It was found that the materials and structures of the roll collars have great influence on the distribution of the magnetic flux density, eddy curre...

关键词: Simulation , null , null , null

Numerical Simulation of Two Types of Electromagnetic Edge Dam Used in Twin Roll Strip Cast

Peiwei BAO , Peijie LI , Hongshuang DI , Xianghua LIU , Guodong WANG

材料科学技术（英文）

Two types of electromagnetic edge dams were analyzed by using finite element method in present paper. The magnetic vector potential method and edge element method were used. The distributions of the magnetic field, the eddy current intensity and the magnetic force were obtained from the computing. T...

关键词: Twin roll casting , null , null

Deformation-induced gamma -> DI-alpha(2) phase transformation occurring in the twin-intersection region of TiAl alloys

Journal of Materials Research

Deformation-induced gamma -> DI-alpha(2) phase transformation was verified to occur in the twin-intersection region of a Ti-45Al-8Nb (at.%) alloy compressed at room temperature. High-resolution image observations of the deformation-induced DI...

关键词: titanium aluminides;mechanical-properties;room-temperature;microstructure;intermetallics;microscopy;nb

DI材横向厚差自动控制算法及其应用

徐江华 , 李山青

上海金属

DI材是宝钢的重要产品,主要用于碳酸饮料罐和啤酒罐.DI材沿宽度方向的厚度均匀性要求十分严格.为了减少DI材的横向...

关键词: DI材 , 冷轧 , 横向厚差 , 自动控制

高速电镀锡薄钢板(DI材)用气相缓蚀剂的研究

王新葵 , 罗广求 , 李宁

腐蚀与防护 doi:10.3969/j.issn.1005-748X.2005.05.003

采用气相快速甄别实验和电化学方法研究了对高速电镀锡薄钢板(DI材)具有缓蚀作用的四种不同的物质.结果表明:苯甲酸钠、苯甲酸铵、肉桂酸对DI材的阳极过程有明显的抑制作用;单纯的钨...

关键词: 气相缓蚀剂 , 正交实验 , 协同作用

Growth Mechanism of Di®erent Morphologies of ZnO Crystals Prepared by Hydrothermal Method

Hu Wang Juan Xie Kangping Yan Ming Duan

材料科学技术（英文）

Different morphologies of zinc oxide (ZnO), including microrods, hexagonal pyramid-like rods and flower-like rod aggregates, had been synthesized, respectively, on glass substrates by controlling the reaction conditions (such as precursor concentration, reaction time and pH value) of hydrothermal me...

关键词: Zinc oxide

EFFECT OF PHOTOOXIDATION ON PHOTOLUMINESCENCE OF N, N'-DIPHENYL-N, N'-DI(M-TOLYL)-BENZIDINE AND RUBRENE CODOPED PMMA THIN FILMS

Y.B. Hou

金属学报(英文版)

In this paper, the PMMA films doped with N,N'-diphenyl-N,N'-di(m-tolyl)-benzidineand rubrene were fabricated by spin coating, and the effect of photooxidation onthe photoluminescence of the doped PMMA thin films was investigated. The resultsshowed that under the irradi...

关键词: photoluminescence , null

碳含量及终轧、卷取温度对DI材Δr值的影响

方百友

钢铁

对于低碳铝镇静钢DI材试验及统计分析结果表明,在一定范围内,碳含量增高,材质面内各向异性减小而趋向于均匀化;终轧温度升高,材质面内各向异性值则增大;卷取温度的影响亦具有类似的规律性.拉伸试验和断面金相分析结果进一步证实,较高碳含量和适当的...

关键词: DI材 , Δr , 碳含量 , 终轧温度 , 卷取温度

Di-An-Ab体系快速冷却结晶的枝晶研究

黄琼 , 赵珊茸

人工晶体学报 doi:10.3969/j.issn.1000-985X.2003.03.010

对透辉石-钙长石-拉长石(Di-An-Ab)三元体系在不同降温速度条件下形成的枝晶进行了研究.其中,透辉石枝晶为规则树枝状,主枝和分枝明显;斜长石枝晶呈放射纤维状集合.枝晶形貌随降温速度变快没有明显变化,枝晶晶体结构随降温速度不同而有改变...

关键词: Di-An-Ab体系 , 枝晶 , 降温速度 , 枝晶形貌

Di-Ab-An体系远离平衡枝状形貌的演化及枝体结晶学各向异性特征研究

郭颖 , 赵珊茸 , 刘慧芳 , 蒋宏

人工晶体学报 doi:10.3969/j.issn.1000-985X.2005.04.017

对钠长石(Ab)-钙长石(An)-透辉石(Di)三元体系跨相界线的不同成分点在不同的降温速度条件下快速结晶形成的枝状形貌进行了研究.透辉石为枝晶,斜长石为球粒晶.当降温速度慢于1℃/min后,枝状形貌变为板-柱状形貌(即近平衡形貌).我们...

关键词: Di-Ab-An体系 , 枝状形貌 , 各向异性 , 结晶学方向