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Extrusion behavior of micro-nanostructured Al-18%Si alloy powders LIANG Hong-yu(梁红玉)1, 2, OUYANG Zhi-ying(欧阳志英)1, MAO Xie-min(毛协民)1, HU Zhi-heng(胡志恒)1 1. School of Materials Science... Abstract: The extrusion of Al-Si alloy powders with different particle sizes allows manufacture of different products with unique microstructures and therefore with unique mechanical properties......
and Nanotechnology, Xidian University, Xi’an 710071, China)Abstract:Alkali metal (Li, Na, K) doped ZnO powders were synthesized by solid-state reaction at different calcination temperatures and holding...; crystalline quality; optical band-gap; ZnO powders......
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In-Situ Synthesis of AlN Powders and Composite AlN Powders with Yttrium Addition 周美玲1,李春国2,林志浪1,郑新和3,王群1 (1.School of Material Sciences and Engineering, Beijing Polytechnic University, Beijing... and nitrogen as gas reactants, AlN powders and composite AlN powders by in-situ synthesis method were prepared. AlN lumps prepared by the nitriding of Al-Mg and Al-Mg-Y alloys have porous microstructure......
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Sphericizing metal powders by mechanical means WANG Fu-xiang(王富祥), GAI Guo-sheng(盖国胜), YANG Yu-fen(杨玉芬) Key Laboratory for Advanced Materials of Ministry of Education, Department of Materials... shaped metal powders were impacted and sphericized by using high speed airflow impact method particles composite system(PCS). The optimum technological parameters for the metal powders processed were......
Preparation of ultrafine Co3O4 powders by continuous and controllable combustion synthesis WU Chong-hu1, 2 1. China National R&D Center for Tungsten Technology, Xiamen Tungsten Co., Ltd...-controlled combustion synthesis (CDCCS) was developed based on the continuous fluidization and combustion synthesis technologies. CoC2O4·2H2O powders were transformed to Co3O4 in a gas-solid fluid bed......
Preparation of Ni/C core-shell composite powders by electroless plating method ZHANG Hai-jun (张海军)1, LIU Yun (刘 云)1, JIA Quan-li(贾全利) 1, JIA Xiao-lin(贾晓林)2 1. Institute of High Temperature... 2007 Abstract: Ni/C core-shell composite powders were prepared by electroless nickel-plating. The effects of concentration of NiSO4, bathing temperature, ratio of hydrazine hydrate to NiSO4, pH......