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into a water-cooled upward directional solidification apparatus (Fig. 1). Such experimental setup minimizes thermal and solutal convection since solidification progresses vertically upwards....%) Fig. 1 Schematic representation of water-cooled upward directional solidification apparatus and split mold Microstructural analyses were carried out in transversal and longitudinal samples extracted......
): 2207-2218. [55] BECCARIA A M, TRAVERSO P. Effect of heat treatments on 8090 AlLi alloy pitting susceptibility in sea water[J]. Materials and Corrosion, 1996, 47(5): 261-267. [56] HUANG J L, LI J F, LIU D Y......
. Effect of water-gas shift reaction on reduction of iron oxide powder packed bed with H2-CO mixtures[J]. ISIJ International, 2003, 43(10): 1502-1511. [34] ZUO Hai-bin, WANG Cong, DONG Jie-ji. Reduction.... Research advances towards large-scale solar hydrogen production from water[J]. Energy Chem, 2019, 1(2): 1-41. [76] ACAR C, BESKESE A, TEMUR G T. Sustainability analysis of different hydrogen production......
Wei-dong. Development of the first plasma continuous casting tundish steel water heating device in China[J]. Masteel Technical, 1995(3): 1-5. [13] 李家全, 徐 重. 双辉光离子渗金属-- 一种新颖的等离子体表面冶金技术[J]. 物理, 1996, 25(4......
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......
by two step spin-coating achieved a high PCE of 20.3% and exhibited water-resistant [55]. 3.2 Scalable deposition The past few years have witnessed the successful application of spin-coating......