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] Fig.2 Tensile strength of three lead-free solders with rare earths (at constant strain rate of 0.005 s-1)[95] 2.3 蠕变特性 蠕变是指材料在高温和低于材料宏观屈服极限的应力下发生的缓慢的塑性变形.对于SnAgCu,SnZn,SnCu,SnAg等无铅钎料,由于钎......
J. Cent. South Univ. (2020) 27: 1104-1133 DOI: https://doi.org/10.1007/s11771-020-4353-7 Solution-processed perovskite solar cells CHANG Jian-hui(常建辉), LIU Kun(刘坤), LIN Si-yuan(林思远), YUAN Yong-bo(袁永波), ZHOU Cong-hua(周聪华), YANG Jun-liang(阳军亮) Hunan Key Laboratory for Super-microstructure and Ultraf......