共搜索到29458条信息,每页显示10条信息,共2946页。用时:0小时0分0秒515毫秒
Simulation of high velocity compaction of powder in a two dimension mould using lattice Boltzmann methodQiaojie LI 1), Zhoushun ZHENG 1) and Xuanhui QU 2) 1) School of Mathematical Science...="ChDivSummary" name="ChDivSummary">This work presents a numerical study on the dynamic high velocity compaction of the metal powder. The analysis of the process is based on a mesoscopic approach using multi......
Near-net shape processing of spherical high Nb-TiAl alloy powder by gelcastingHui-ping Shao,Xiao-ting Liu,Ye Ji,Zhi-meng GuoInstitute for Advanced Material & Technology,University of Science... additives were included in the suspension.The concentrated suspension with a solid loading of 70vol%was prepared.The high Nb-TiAl powder was analyzed by electron microscopy and X-ray difraction.It......
High-temperature oxidation behavior of Nb-Si-based alloy with separate vanadium,tantalum,tungsten and zirconium additionSheng-Nan Zhang,Li-Na Jia,Yue-Ling Guo,Bin Kong,Feng-Xiang Zhang,Hu ZhangSchool... Al-2 Hf alloys with separate vanadium,tantalum,tungsten and zirconium additions were investigated by X-ray diffraction(XRD),electron probe microanalyzer(EPMA) equipped with wave-dispersive......
to analyze the mechanism, microstructure and anitwear ability of the coat. The workpiece was precoated with Ni60 powder through an adhesion agent. The oven-dried precoat was then heated by a high...A Cold Adhesion for Self-fused Alloy Coat by High Frequency Induction ZHANG Zeng-zhi1,AI Bo1 (1.Research Institute of Ecological and Functional Material, China University of Mining and Technology......
......
Mechanism of Action of Rare Earths in High Effective Fe Powder Welding Rods韩永全,李建国,姚青虎,刘燕,黄丽宏摘 要:The optimum coating composition of alkali Fe powder welding rods was designed by orthogonal experiment with mix rates. A new kind of effective RE-Fe powder welding rod was prepared which could be used at the condition of direct and indirect current. The arc......
alloy via powder metallurgy and hot extrusion [J]. Journal of Central South University, 2021, 28(4): 1195-1205. DOI: https://doi.org/10.1007/s11771-021-4669-y. 1 Introduction Due to the high strength... is accessible to crack during the subsequent deformation process. Furthermore, the cost of spray deposition is quite high as atomized droplets are solidified into a single powder particle instead......
......
Electrical capacitance volume tomography for measurement soil water infiltration in vessel experimentsMuhammad Mukhlisin1, 2, Marlin Ramadhan Baidillah1, Mohd Raihan Taha1(1. Department of Civil..., Indonesia)Abstract:Electrical capacitance volume tomography (ECVT) is a recently-developed technique for real-time, non-invasive 3D monitoring of processes involving materials with strong contrasts......
Improved model and 3D simulation of densification process for iron powder SONG Yi(宋 毅), LI Yuan-yuan(李元元), ZHOU Zhao-yao(周照耀), ZHENG Zhen-xing(郑振兴), CHEN Pu-qing(陈普庆) School of Mechanical...; Abstract: A new model for describing the compaction process of iron powder......