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Influence of Composition of Sm2O3-Containing Rare Earth Glass on Its Absorption Spectrum Meng Xianfeng1,Wang Tingwei1,Zhang Qitu1,Shan Xiaobing1,Xu Zhongzi1 (1.College of Materials Science and Technology, Nanjing University of Technology, Nanjing 210009, China) Abstract:Borosilicate glass with high rare earth content was fabricated by traditional method. The influence of glass compositions......
:The ZnO-B2O3-SiO2 glass doped with Nd2O3 and Gd2O3 was prepared by high temperature melt cooling method. The standard sample of the zinc borosilicate glass... weathering; the morphology of glass surface of altered layer and the product on the surface was observed; the corroding degree of the zinc borosilicate glass doped with Nd or Gd was significantly lighter than......
:The ZnO-B2O3-SiO2 glass doped with Nd2O3 and Gd2O3 was prepared by high temperature melt cooling method. The standard sample of the zinc borosilicate glass... weathering; the morphology of glass surface of altered layer and the product on the surface was observed; the corroding degree of the zinc borosilicate glass doped with Nd or Gd was significantly lighter than......
Recovery of high specific area silica and sodium fluoride from sodium hexafluorosilicateXU Hui(徐徽), LI Gui(李贵), CHENG Jun-feng(程俊峰), LIU Wei-ping(刘卫平) (School of Metallurgy and Environment, Central South University, Changsha 410083, China)Abstract:Sodium fluoride and high specific area silica were synthesized by using sodium hexafluorosilicate (Na2SiF6) and sodium carbonate decahydrate (Na2CO3......
; 生物活性; strontium oxide; borosilicate bioactive glass; biodegradability; bioactivity; [全文内容正在添加中] ......
. 关键词:可伐合金; 硅硼玻璃; 润湿; 晕圈; Kovar alloy; borosilicate glass; wetting; halo; [全文内容正在添加中] ......
低膨胀硼硅酸盐玻璃熔体密度和表面张力测量 张晓瑞1,陆平3,李建强1 (1.中国科学院,多相复杂系统国家重点实验室,北京,100190;2.中国科学院研究生院,北京,100049;3.武汉理工大学,湖北,武汉,430070) 摘要:采用静滴法测量并对比典型低膨胀硼硅酸盐玻璃和普通钠钙硅玻璃的熔体密度和表面张力.结果表明,硼硅酸盐玻璃的密度要低于钠钙硅玻璃,二者均随温度升高而线性降低.硼硅酸盐玻璃的热膨胀系数要低于普通钠钙硅玻璃.在1000~1200 ℃的温度区间内,钠钙硅玻璃的表面张力低于硼硅酸盐玻璃,均随温度升高而线性增加,表面张力温度系数分别为0.11867和0.27867. 关键词:硼硅酸盐玻璃; 密度; 表面张力; 静滴法; borosilicate glass; density; surface tension; sessile drop method; [全文内容......
Extrusion process of lead-clad glass fiber compositesSUN Hong-fei(孙宏飞), FANG Wen-bin(房文斌),HAN Fei(韩 飞),HE Wen-xiong(贺文雄),WANG Er-de(王尔德)(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)Abstract:The extrusion process of lead-clad glass fiber composites was studied. Lead-clad glass fiber composites with diameter ranging in 0.5-1.0mm were......
G3镍基耐蚀合金管材热挤压工艺润滑行为研究 Ⅱ.玻璃润滑剂黏度-成分计算方法及应用林奔1,王宝顺1,张麦仓1,董建新1(1.北京市北京科技大学材料科学与工程学院)摘 要:基于经典的玻璃性质-组成加和法则,建立了G3镍基合金热挤压润滑剂用硼硅酸盐玻璃黏度-成分计算方法,采用该计算方法对10种组元含量不同的硼硅酸盐玻璃的黏度特性进行了预测.结果发现预测值与实验结果吻合较好,表明该计算方法是可靠的.因此,采用本文建立的计算方法,可以反向设计玻璃的成分,使玻璃黏度性质满足G3镍基合金玻璃润滑热挤压工艺中对玻璃黏度性质的......
Flotation separation of chalcopyrite from galena by sodium humate and ammonium persulfate Rui-zeng LIU1, Wen-qing QIN1, Fen JIAO1, Xing-jie WANG1, Bin PEI2, Yong-jun YANG2, Chun-hua LAI3 1. School... Mining Co., Ltd., Honghe 662400, China Received 3 March 2015; accepted 15 June 2015 Abstract: The flotabilities of chalcopyrite and galena with sodium humate (HA) and ammonium persulfate (APS......