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析 中图分类号:TG 376 文献标识码:A Effect of back pressure on equal channel angular extrusion process of powder porous material ZHOU Ming-zhi1, LI Ping2, XUE Ke-min2 (1. No.38...: The densification and deformation behavior of powder porous material during the equal channel angular extrusion (ECAE) process with back pressure were investigated by compressible rigid-viscoplasticity finite......
demonstrated as a dominant contribution to the excellent rate capability. 2 Material and methods 2.1 Synthesis The porous flake Nb2O5 was synthesized through a solid-state reaction and the synthesis... hollow porous structure designed for Na0.44Mn2/3Co1/6Ni1/6O2 cathode material of sodium-ion batteries [J]. Journal of Power Sources, 2020, 479: 228788. DOI: 10.1016/j.jpowsour.2020.228788. [6] WU Ling......
size ≤45 μm) was used as raw material and soluble sodium chloride particles with different sizes and contents were used as spacer materials. To attain the different pore size distributions of porous...; (1) where σpl is the plateau stress of the porous material......
, the as-prepared N-C-800 catalyst shows a much better performance, suggesting that the N-doping and construction of 3D porous morphology can significantly boost the ORR performance of carbon material. The Eonset... ARTICLE J. Cent. South Univ. (2019) 26: 1458-1468 DOI: https://doi.org/10.1007/s11771-019-4102-y Red-blood-cell-like nitrogen-doped porous carbon as an efficient metal-free catalyst for oxygen......
. Their results show that Brownian term reduces nanofluid velocity and makes smoother streamlines, and increasing the thermal conductivity leads to cooling of porous material and achieving more Nusselt..., the pressure in the porous material experiences a 3-fold drop at a porosity of 0.5. In the second geometry, the pressure drops in both regions are similar at a porosity of 0.9. Compared to the nanofluid......
-Cr with oxidation for 560 h change more obviously than those of Ni-Cr-Fe porous material under the same conditions which indicates that Ni-Cr-Fe porous alloys have excellent high temperature... between temperature and diameter expansion(a) and open porosity(b) of sintering porous Ni-Cr-Fe, Ni-Cr and Ni-Fe 2.2 多孔材料在烧结过程中的物相变化 图2(a)所示为不同烧结温度下Ni-Cr-Fe多孔材料的XRD谱.由图2(a)可以得知,多孔Ni-Cr-Fe材料的物相形成......
bone. Key words: 316L stainless steel; laser sintering; processing parameter; porous material; biomedical application ... implant material with adequate pore structure and appropriate mechanical properties has been sought as the ideal bone substitute. Furthermore, porous components based on biocompatible metallic materials......
Removal of Methyl Orange from Aqueous Solution by Mineral-based Porous Granulated Material王恩文1,2,ZHANG Shichun1,HUANG Teng1,ZHONG Lele11. School of Resources and Environmental Engineering, Wuhan...">Sodium bentonite, graphite, light calcium carbonate and diatomite were used as parent minerals for the mineral-based porous granulated material(MPGM) which was tested for the removal of methyl orange......
in the porous media with different porosities respectively. Identification result of ceramic material sample shows that the chemical composition is mainly composed of Ca2SiO4, (KPO3)4?12H2O... Experiment and simulation of diffusion of micron-particle in porous ceramic vessel LI Cai-ting(李彩亭)1, 2, *, ZHANG Wei(张 巍)1, 2, WEI Xian-xun(魏先勋)1, 2, GAO Hong-liang(高宏亮)1, 2, WEN Qing-bo(文青波)1......
Three-dimensional consolidation deformation analysis of porous layered soft soils considering asymmetric effectsZHANG Zhi-guo(张治国)1, 2, 3, HUANG Mao-song(黄茂松)2, 4, Wang Wei-dong(王卫东)5(1. School... structures. A three-dimensional consolidation analysis method under the asymmetric loads is developed for porous layered soil based on Biot’s classical theory. Time-displacement effects can be fully considered......
