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is weak.All thenanocrystal superconductors are mainly constituent of Bi2Sr2CaCu2Oy phase by the analysis ofX-ray diffraction.关键词:......
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Glass formation for iron-based alloys by combining kinetic and thermodynamic parametersJ. H. Willy, WANG Gang(王刚), LIU Zhong-wu(刘仲武)(School of Materials Science and Engineering, South China...:metallic glass; glass-forming ability; iron-based alloys; critical cooling rate......
Heat Treatment of Nd1+xBa2-xCu3O7-δ Superconductors 司平占1,苏大和2,樊占国3 (1.Institute for Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;2.Myongji University, Yongin 449-728, South.... The Nd1+xBa2-xCu3O7-δ samples were oxygenated in pure oxygen at 300 ℃. Based on the XRD spectra it was found that the samples with x<0.4 can transform from tetragonal phase into orthorhombic phase......
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Effect of ball milling time on microstructures and mechanical properties of mechanically-alloyed iron-based materials LIU Dong-hua(刘东华), LIU Yong(刘 咏), ZHAO Da-peng(赵大鹏), WANG Yan(王 岩...: The microstructures and mechanical properties of an iron-based alloy (Fe-13Cr-3W-0.4Ti-0.25Y-0.30O) prepared by mechanical alloying were investigated with scanning electron microscope, optical microscope, X......
Transition of Y2BaCuO5 Phase in Powder Melting Processed YBa2Cu3O7-x Superconductors冯建情Northwest Institute for Nonferrous Metal Research摘 要:The morphology and the formation of Y2BaCuO5 phase in powder melting processed YBa2Cu3O7-x superconductors were investigated. The experimental results show the heat treatment can not change the shape of Y2BaCuO5......
Producing Ceramic High Tc Superconductors for Strong Current Applications Shi-Xue Dou1,Xue-Kei Fu1,Yuan-Chang Guo1,Jian-Xun Jin1 (1.Institute for Superconducting and Electronic Materials, Wollongong University, NSW 2522, Australia) 摘要: Strong current and large-scale application is the most important prospect of high Tc superconductors (HTS).Practical HTS samples, both in forms of wire......