共搜索到26166条信息,每页显示10条信息,共2617页。用时:0小时0分0秒526毫秒
Trans. Nonferrous Met. Soc. China 22(2012) s512-s518 Manufacturing of complex high strength components out of high nitrogen steels at industrial level Hannes NONEDER, Marion MERKLEIN Chair of Manufacturing Technology, EgerlandstraΒe 13, 91058 Erlangen, Germany Received 28 August 2012; accepted 25 October 2012 Abstract: High performance components, e.g., fasteners, nowadays are usually made out......
Microstructures and mechanical properties of high strength Mg-Zn-Mn alloy ZHANG Ding-fei(张丁非)1, 2, SHI Guo-liang(石国梁)2, DAI Qing-wei(戴庆伟)2, YUAN Wei(袁 炜)2, DUAN Hong-ling(段红玲)2 1. National... aging that provide more effective nuclei for Mg-Zn strengthening phases during the second step aging. Key words: high strength; Mg-Zn-Mn alloy; microstructures; mechanical properties  ......
Trans. Nonferrous Met. Soc. China 22(2012) s661-s667 Effect of alloying on high temperature fatigue performance of ZL114A (Al-7Si) alloy DONG Xu-gang1, ZHOU Jie1, JIA Yao-jun1, LIU Bin2 1. College...: The effect of Cu, Fe and Ni on high-temperature mechanical performance and fatigue properties of ZL114A alloy was studied through high temperature fatigue test and SEM. The results show......
Synthesis of crystalline γ-Al2O3 with high purity YI Jian-hong(仪建红)1, SUN You-yi(孙友谊)1, GAO Jian-feng(高建峰)2, XU Chun-yan(徐春彦)2 1. College of Materials Science and Engineering, North... by the precipitation of sodium aluminate and oxalic acids in aqueous solution. And then γ-AlO(OH) was successfully transferred to γ-Al2O3 after subsequent high temperature heat treatment. The effects......
Observation of fine particle aggregating behavior induced by high intensity conditioning using high speed CCD SUN Wei(孙 伟), HU Yue-hua(胡岳华), DAI Jing-ping(戴晶平), LIU Run-qing(刘润清) School...> Abstract: The aggregating behavior between bubbles and particles induced by high intensity conditioning (HIC) was studied using high speed CCD technique. Bubble size measurement......
Complete Maps for the Internal Oxidation of Ideal Ternary Alloys Forming Insoluble Oxides under High Oxidant Pressures () 摘要:This paper presents an analysis of the conditions of stability of the different forms of internal oxidation of ideal ternary A-B-C alloys, where A is the most noble and C the most reactive component, forming insoluble oxide and exposed to high pressures of a single......
Mechanical properties of high-strength concrete subjected to high temperature by stressed test Gyu-Yong KIM, Young-Sun KIM, Tae-Gyu LEE Division of Architecture Engineering...; Abstract: Recently, the effects of high temperature on compressive strength and elastic modulus of high strength concrete were......
......
Thermodynamic analysis of production of high purity titanium by thermal decomposition of titanium iodide CHEN Xiao-hu(陈肖虎)1, 2, WANG Hua(王 华)1, LIU Yi-min(刘义敏)2, FANG Min(方 敏)2 1...; Abstract: High purity titanium was prepared by thermal decomposition of titanium iodide. The feasible synthetic route and optimum decompositon temperaure were obtained......
Studies and Properties of Ceramics with High Thermal Conductivity Xia Shuqin1,Wang Kun1,Zhao Chunxia1,Chen Guangle1,Fan Shigang1 (1.Research Institute of Synthetic Crystals, Research... of the the thermal conductivity of AlN ceramics, and sintering technics is helped to the improvement of density. It is analyzed how to sinter machinable AlN ceramics with high thermal conductivity......