共搜索到20036条信息，每页显示10条信息，共2004页。用时：0小时0分0秒406毫秒
......
="ChDivSummary" name="ChDivSummary">In the present work, mechanical alloying of a powder mixture of nickel and graphite(up to 15 wt%) was carried out in an attrition mill under a nitrogen atmosphere.The...Synthesis and characterization of the nanostructured solid solution with extended solubility of graphite in nickel by mechanical alloyingNitika Kundan,Biswajit Parida,Anup Kumar Keshri,Prathvi Raj......
Tribological Properties of Dimpled Surface Alloying Layer on Carbon Steel万轶Department of Materials Science & Engineering, Nanjing University of Science and TechnologyDepartment of Mechanical...:YAG laser was used to generate microdimples on steel surfaces. Dimples with diameter of 150 m and depth of 50 m were distributed in an orbicular array on disc surface. Then the alloying element Mo......
......
Mechanical properties of Mg-9Gd-4Y-0.6Zr alloy XIAO Yang(肖 阳), ZHANG Xin-ming(张新明), CHEN Bu-xiang(陈部湘), DENG Zhen-zhen(邓桢桢) School of Materials Science and Engineering, Central South University, Changsha 410083, China Received 28 July 2006; accepted 15 September 2006 Abstract: The microstructures and mechanical properties of Mg-9Gd-4Y-0.6Zr alloy were investigated. The results show......
prepared by mechanical alloying of elemental powders and subsequently spark plasma sintering. Microstructure of (TiB2+TiC)/Ni3Al composite sintered at 950 ℃ was finer than that of composite sintered... inner layer on the surface of the composites sintered at 950 ℃. Key words: nickel aluminides; composites; grain refinement; oxidation; mechanical alloying 1 Introduction Intermetallic compound Ni3Al......
mechanical strength and poor heat resistivity of magnesium alloys have retarded their applications. It is well known that Zn as a major alloying element in magnesium alloys has a marked response... Microstructures and mechanical properties of Mg-2%Zn-0.4%RE alloys LE Qi-chi(乐启炽), ZHANG Zhi-qiang(张志强), SHAO Zhi-wen(邵志文), CUI Jian-zhong(崔建忠), XIE Yi(谢 一) Key Laboratory of Electromagnetic......
Effects of rare earth La on the microstructure and melting property of(Ag-Cu28)-30Sn alloys prepared by mechanical alloyingLI Liangfenga,b,QIU Taib,YANG Jianb,and FENG Yongbaob a State Key Laboratory... alloys without or with a trace addition(0.5 or 1.0 wt.%) of rare earth(RE) element La were prepared by mechanical alloying.The aim of this research is to investigate the effects of the addition of La......
Microstructure and mechanical properties of Al2O3/TiAl composite AI Tao-tao(艾桃桃), WANG Fen(王 芬), ZHU Jian-feng(朱建锋) School of Materials Science and Engineering, Shaanxi University.... The effects of Nb2O5 content on the microstructure and mechanical properties of the composites were investigated. The results show that the ultimate phases of the composite consist of TiAl, Ti3Al......
A Hybrid Low Temperature Surface Alloying Process for Austenitic Stainless Steels Y.Sun1 (1.School of Materials Engineering, Nanyang Technological University, Singapore 639798) 摘要:This paper... processes in terms of mechanical and chemical properties, including higher surface hardness, a hardness gradient from the surface towards the layer-core interface, uniform layer thickness, and much enhanced......
