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were extruded at 430 °C with a ratio of 9:1. Afterwards, the alloys and composites were solutionized at 470 °C for 1 h and then water quenched. At last, the alloys and composites were subjected......
道正极材料的Ragone图[178](b),非原位固态核磁共振1H谱和原始,充电至1.3 V及放电至0.2 V后的V2O5·nH2O晶体结构[184](c),LixV2O5·nH2O的倍率和循环性能[187](d) Fig. 32 Scheme showing reversible water intercalation into Zn0.25V2O5·nH2O, and the water deintercalation accompanying Zn2+ intercalation upon electrochemical discharge(a), comparison of the Ragone plot of Zn0.25V2O5·nH2O battery with two other known materials for aqueous ZIBs[178](b......
for dissimilar Al-Cu system. Friction stir spot welding (FSSW), under water friction stir welding (UFSW), FS lap welding using intermediate layer, friction stir butt barrier welding (FSBBW), friction stir......
DOI:10.19476/j.ysxb.1004.0609.2019.09.16 粉末冶金高熵合金研究进展 刘 咏,曹远奎,吴文倩,宋 旼,张 伟,刘 彬 (中南大学 粉末冶金国家重点实验室,长沙 410083) 摘 要:高熵合金是一类由4,5种或者更多金属元素,以近等原子比例构成的新型金属材料,也称为复杂组元合金.由于其主要组元的非单一性,该类合金具有比传统合金特殊的性能,例如高的强度和韧性,优异的耐腐蚀性能和抗辐照性能等,但在制备方面,材料的组织均匀性以及缺陷控制也存在较大难度.粉末冶金与铸锭冶金相比,在复杂成分合金的元素分布均匀......
]. Intermetallics, 2004, 12(1): 11-21. [45] ZELLER A, DETTENWANGER F, SCH?TZE M. Influence of water vapour on the oxidation behaviour of titanium aluminides[J]. Intermetallics, 2002,10(1): 59-72. [46] JIANG H......