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Effect of activating flux on arc shape and arc voltage in tungsten inert gas welding LI Qing-ming(李清明), WANG Xin-hong(王新洪), ZOU Zeng-da(邹增大), WU Jun(吴 军) School of Materials Science.... The experimental results indicate that the SiO2 flux can increase the arc voltage, while TiO2 has no this effect on arc voltage. Compared with conventional tungsten inert gas welding (C-TIG), it is found......
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of Technology, Harbin 150001, China) Abstract: Dissimilar metals TIG welding-brazing of aluminum alloy to stainless steel was conducted using Al-Si eutectic wire with precoating special flux layer... steel interfacial layer, which is the weak bonding zone of the joint. Key words: dissimilar metal; TIG welding-brazing; precoating flux layer; interfacial layer; mechanical property ......
Flux and concentration effect on Eu3+ doped Gd2(MoO4)3 phosphor ZHANG Xiangqing1,SUN Jiashi1,CHENG Lihong1,YU Tao1,PENG Yong1,ZHONG Haiyang1,ZHAO Xiaoxia2 (1.Department of Physics, Dalian Maritime...:A novel red emitting phosphor Gd2(MoO4)3:Eu3+ was prepared by solid reaction, using Gd2O3, Eu2O3 and WO3 as starting materials and NH4F as flux. The effects of flux content and Eu3+ concentration......
Reaction mechanism between oxide film on surface of Al-Li alloy and CsF-AlF3 flux XUE Song-bai(薛松柏), ZHANG Ling(张 玲), HAN Zong-jie(韩宗杰), HUANG Xiang(黄 翔) College of Materials Science... after accelerated oxidation at 500 and 540 ℃, and the reaction mechanism between CsF-AlF3 flux and the oxide film on the surface of Al-Li alloy was also discussed. The results show that the oxide film......
Growth and characterization of ZnTe single crystal via a novel Te flux vertical Bridgman methodMin Jin1,Wen-Hui Yang2,Xiang-Hu Wang1,Rong-Bin Li1,Ya-Dong Xu2,Jia-Yue Xu31. College of Materials... and the frequency of the highest THz transmission is about 0.78 THz,implying that the ZnTe crystal grown by the present Te flux vertical Bridgman method has a good feasibility for THz application.关键词:......
Luminescence enhancement of BaMgSiO4:Eu2+ by adding borate as flux乌凤岐,王稼国,荆西平,严纯华,林建华,廖复辉摘 要:The luminescence of Eu2+ in BaMgSiO4 with BaB2O4 as flux... the BaB2O4 flux was applied, the intensity of the 398 nm emission was not clearly affected, but the intensity of the 515 nm emission was en- hanced by about ten times. Gaussian fitting showed......
低碳Nb微合金钢中Nb溶质拖曳和析出相NbC钉扎对再结晶晶粒长大的影响付立铭1,单爱党1,王巍2(1.上海市上海交通大学材料科学与工程学院2.宝山钢铁股份有限公司研究院)摘 要:通过理论计算并结合实验研究了低碳Nb微合金钢中NbC析出相与Nb固溶原子共同作用对再结晶后奥氏体晶粒长大的影响.结果表明,Nb的溶质原子拖曳与NbC析出相钉扎共同作用阻碍晶粒长大晶界的迁移,高温时NbC析出相的钉扎起主要作用,Nb的溶质拖曳效应并不明显,而相对低温时Nb拖曳对晶粒长大产生明显地抑制作用,理论计算与实验结果吻合良好;溶质原......
words: cellular automaton; computer simulation; grain growth; second-phase particle; pinning ... carlo simulation of growth of polycrystalline Cu films[J]. Surface Science, 2001, 473(1): 25?38. [5] KAD B K, HAZZLEDINE P M. Monte carlo simulations of grain growth and Zener pinning[J]. Mater Sci......
-fiber ultrafiltration membrane and its cleaning efficiency by streaming potential and flux method QIU Yun-ren(邱运仁), MIAO Chang(缪 畅), YE Hong-qi(叶红齐) (School of Chemistry and Chemical Engineering...; Abstract: Polysulfone (PS) hollow-fiber ultrafiltration membrane was characterized combined with flux and streaming potential in single electrolyte solutions......
