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• Crystallization and dielectric properties of lead-free glass-ceramic composites with Gd₂O₃ addition

  来源： 《Rare Metals2012年第3期》——ZHOU Yi, ZHANG Qingmeng, LUO Jun, TANG Qun, and DU Jun Advanced Electronic Materials Institute, General Research Institute for Nonferrous Metals, Beijing , China

  Crystallization and dielectric properties of lead-free glass-ceramic composites with Gd2O3 additionZHOU Yi, ZHANG Qingmeng, LUO Jun, TANG Qun, and DU Jun Advanced Electronic Materials Institute, General Research Institute for Nonferrous Metals, Beijing 100088, China摘 要:Lead-free glass-ceramic composites in barium sodium niobate silica system with Gd2O3......

• Structure and Piezoelectric Properties of Lead-Free Na_0.5Bi_0.5TiO₃ Nanofibers Synthesized by Electrospinning

  来源： 《JOURNAL OF MATERIALS SCIENCE TECHNOLOG2015年第12期》——Di Zhou Youhua Zhou Yu Tian Yafang Tu Guang Zheng Haoshuang Gu

  Structure and Piezoelectric Properties of Lead-Free Na0.5Bi0.5TiO3 Nanofibers Synthesized by ElectrospinningDi Zhou1,Youhua Zhou1,Yu Tian1,Yafang Tu1,Guang Zheng1,Haoshuang Gu21. School of Physics...="ChDivSummary" name="ChDivSummary">Lead-free Na0.5Bi0.5TiO3(NBT) nanofibers with the perovskite structure were prepared by the electrospinning method.The nanofibers were about 200-300 nm in diameter and up......

• Solderability and intermetallic compounds formation of Sn-9Zn-xAg lead-free solders wetted on Cu substrate

  来源： 《Rare Metals2009年第6期》——CHEN Wenxue, XUE Songbai, WANG Hui, WANG Jianxin, and HAN Zongjie College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing , China

  Solderability and intermetallic compounds formation of Sn-9Zn-xAg lead-free solders wetted on Cu substrateCHEN Wenxue, XUE Songbai, WANG Hui, WANG Jianxin, and HAN Zongjie College of Materials....%) to form Sn-9Zn-xAg lead-free solder alloys. The effect of the addition of Ag on the microstructure and solderability of this alloy was investigated and intermetallic compounds (IMCs) formed......

• Research progress in lead-less or lead-free three-dimensional perovskite absorber materials for solar cells

  来源： 《International Journal of Minerals Metallurgy and Materials2019年第4期》——Huan-yu Zhang Rui Li Wen-wu Liu Mei Zhang Min Guo

  Research progress in lead-less or lead-free three-dimensional perovskite absorber materials for solar cellsHuan-yu Zhang1,Rui Li1,Wen-wu Liu2,Mei Zhang1,Min Guo11. School of Metallurgical..." name="ChDivSummary">The trend toward lead-free or lead-less perovskite solar cells(PSCs) has attracted increasing attention over the past few years because the toxicity of lead(Pb) is one......

• SnAg及SnAgCu无铅焊料接头中金属间化合物在时效中的演变

  来源： 《中南大学学报(自然科学版)2007年第1期》——李晓延 杨晓华 吴本生 严永长

  ;       文章编号:1672-7207(2007)01-0030-06 Evolution of intermetallic compounds in SnAg and SnAgCu lead-free solder joints during aging LI Xiao-yan1, YANG Xiao-hua2, WU... layer of IMCs. If the strengths of the solder and IMC are close during aging, the fracture will occur both inside the joints and in the interfacial layer of IMCs. Key words: lead-free solders......

• Effects of Na/K ratio on the phase structure and electrical properties of Na_xK_1-xNbO₃ lead-free piezoelectric ceramics

  来源： 《Rare Metals2010年第2期》——ZHANG Qian, ZHANG Boping, Li Haitao, and SHANG Pengpeng School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing , China

  Effects of Na/K ratio on the phase structure and electrical properties of NaxK1-xNbO3 lead-free piezoelectric ceramicsZHANG Qian, ZHANG Boping, Li Haitao, and SHANG Pengpeng School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China摘 要:Lead-free piezoelectric NaxK1-xNbO3(x = 0.3-0.8)(NKN) ceramics......

• 半导体激光软钎焊Sn-Ag-Cu焊点微观组织

  来源： 《中南大学学报(自然科学版)2006年第2期》——韩宗杰 鞠金龙 薛松柏 方典松 王俭辛 姚立华

   ......

• Effect of Microalloying on Wettability, Oxidation and Solidification Morphology of Sn-9Zn Alloy

  来源： 《JOURNAL OF RARE EARTHS2005年第2期》——Zhang Meng Wei Xiuqin Huang Huizhen ZHOU Lang

  , Nanchang University, Nanchang 330047, China) Abstract:Eutectic alloy Sn-9Zn is an attractive candidate for lead-free solders. However, its wettability to copper is poor thus,its development was limited... alloy and the Sn-37Pb one. The additions of the different elements investigated in this study do not alter Sn-9Zn''s as-solidified morphology. Key words:lead-free solder; phosphorus; wettability......

• Bi对Sn-0.7Cu无铅焊料微观组织和性能的影响

  来源： 《材料导报2009年增刊第1期》——程晓农 赵国平 李建新

  Bi对Sn-0.7Cu无铅焊料微观组织和性能的影响 程晓农1,赵国平1,李建新1 (1.江苏大学材料科学与工程学院,镇江,212013) 摘要:研究了Bi对Sn-0.7Cu焊料合金的微观组织,物理性能,润湿性能以及力学性能的影响.结果表明,在Sn-0.7Cu焊料合金中添加适量Bi后,合金的微观组织和性能有较明显的变化,Bi的加入能够降低焊料合金的熔点,提高润湿性能,同时对合金的力学性能也有很大影响,Bi能显著提高合金的抗拉强度,但合金的塑性会有所降低. 关键词:无铅焊料; Sn-0.7Cu; Bi; lead-free solder; Sn-0.7Cu; Bi; [全文内容正在添加中] ......

• 纳米-微米颗粒增强复合钎料研究最新进展

  来源： 《中南大学学报(自然科学版)2015年第1期》——张亮 TuKN 孙磊 郭永环 何成文

  and Technology, Zhengjiang 212003, China; 3. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095) Abstract: The investigation and application of lead-free solders bearing micro/nano-sized particles were reviewed synthetically. Moreover, the effects of additives such as metals, compounds, ceramics, carbon nano-tube, polymer on lead-free solders were......