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technology is a reliable processing method for joining titanium matrix composites. Key words: titanium matrix composites; gas tungsten arc welding; pulsed current; microstructure; mechanical properties 近十... of B-modified Ti-6Al-4V alloys [J]. Acta Materialia, 2007, 55: 4983-4993. [13] MENG Chao, CUI Hai-chao, LU Feng-gui, TANG Xin-hua. Evolution behavior of TiB2 particles during laser welding on aluminum......
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Electrorheological Particles Composed of Polyaniline Core and BaTiO3 Layer Shell魏建红摘 要:Composite particles consisting of polyaniline( PAn) core and barium tilanate ( BaTiO3) Layer shell were synthesized. The PAn-BaTiO3 composites particles were characterized with TEM and XRD. The dielectric behavior of particles was tested and the electrorhcologicak(ER......
; 文献标志码:A Review of second phase particles on zirconium alloys (Ⅰ): Zircaloys CHAI Lin-jiang, LUAN Bai-feng, ZHOU Yu, QIU Ri-sheng, CHEN Jian-wei (College of Materials Science..., substructure, etc.) of the second phase particles (SPPs) that might present in Zirclaoys were thoroughly reviewed. Some research experiences and approaches which would be of great help to the SPPs......
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PHOTODEGRADATION OF p-NITROCHLORBENZENE (p-NCB) USING NANOMETER-SIZED ZnO PARTICLES PREPARED BY REACTIVE EVAPORATION METHOD Y.Fu1,A.A.A.Saleh1,M.M.Elomella1,Y.C.Zhai1,X.J.Zhai1 (1.School... linear absorption and a higher maximum value will be obtained at longer irradiation time. Key words:reactive evaporation method; nano-ZnO particles; p-nitrochlorbenzene (p-NCB); ultraviolet light......
全球钨市场供需情况及发展趋势 Michael Maby1 (1.国际钨业协会,伦敦,英国) 摘要:介绍了全球钨市场的供需情况并预测了未来的走势. 关键词:钨; 钨市场供需; 钨矿项目; tungsten; supply and demand of tungsten market; tungsten mine project; [全文内容正在添加中] ......
Physicochemical characterization of Baizhi particles by ultrafine pulverizationLian-wei Yang1,2), Peng Sun1), Guo-sheng Gai1), Yu-fen Yang1), and Yu-rong Wang3) 1) Department of Material Science... of aches and pains in China. The physicochemical characterization of Baizhi particles is greatly influenced by ultrafine pulverization. To study the physicochemical characterization of Baizhi......
;Microstructures of tungsten/steel brazing joint at different bonding temperatures 图2 连接温度1000 ℃时对应的钨基高密度合金层/钨母材界面中粘结相/钨母材结合区成分线扫描 Fig. 2 Element line scanning of tungsten heavy alloy/tungsten interface at bonding temperature of 1000 ℃ 2.2 高能球磨与钨基高密度合金层的均匀致密化 普通液相烧结条件下,固相颗粒随着液相的流动,发生滑动,旋转,重排而实现组织的均匀化与致密化,是一种自发过程[15].如果液相烧结在较大压力下进行,则均匀化与致密化难以顺利进行,烧结组织中会形成较多的大孔隙和粘结相聚集区[16].其原因在于粘结相液化后......
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