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Research on preparation optimization of nano CeB6 powder and its high temperature stability豆志河,张廷安,郭永楠,赫冀成Key Laboratory for Ecological Utilization of Multimetallic Mineral (Ministry of Education),Northeastern University摘 要:High temperature self-propagating synthesis (SHS) process is very rapid, the reaction process becomes un-controlled after the SHS......
High Temperature Oxidation Behavior of High Speed Steel for Roll in Water Vapor LIU Fang1,ZHOU Li1,SUN Da-le2,LIU Chang-sheng1 (1.College of Material & Metallurgy, Northeastern University, Shenyang 110004, China;2.BAOSHAN Iron & Steel CO., LTD. Technology Center, Shanghai 201900, China) 摘要:The oxidation behavior of high speed steel (HSS) was researched by high temperature thermo balance......
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......
Research on Mediate Temperature Decomposition of High Nitrogen Austenite HU Ming-juan1,LI Xiao-ling1,BEI Duo-hui1,ZHU Zu-chang1 (1.School of Material Science and Engineering, Shanghai Jiao Tong... are composed of highly dispersed α-Fe and γ-Fe4N, with both of them maintaining nanometer scale. The micro-hardness of them can be as high as900HV. 关键词:high nitrogen austenite; mediate temperature......
Size effect of sandstone after high temperature under uniaxial compressionSU Hai-jian(苏海健)1, JING Hong-wen(靖洪文)1, MAO Xian-biao(茅献彪)1, ZHAO Hong-hui(赵洪辉)1, YIN Qian(尹乾)1, WANG Chen(王辰)2(1. State Key... of Mining & Technology, Beijing 100083, China)Abstract:Uniaxial compression tests on sandstone samples with five different sizes after high temperature processes were performed in order to investigate......
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Effect of temperature on high temperature plasticity of 95W-5(Ni/Fe/Co) alloyWANG Er-de(王尔德), FANG Wen-bin(房文斌), HU Lian-xi(胡连喜), YU Yang(于 洋)(School of Materials Science and Engineering, Harbin... is beyond 1100℃, the fracture occurs at the interface entirely.Key words:tungsten alloy; mechanical property; high temperature plasticity; temperature......
STUDY ON TEMPERATURE FIELD INDUCED IN HIGH FREQUENCY INDUCTION HEATING Z.Q. Yao1,J. Hu1,Y.J. Shi1,H. Shen1 (1.School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030, China) Abstract:A mathematical model was established for the temperature field developed during high frequency induction heating (HFIH) by Maxwell''s equations. It required solving the coupled equations......
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AlN-TiN-TiB_2复相陶瓷的显微结构和力学性能 杜善义1,周立娟2,郑永挺1 (1.哈尔滨工业大学,黑龙江,哈尔滨,150080;2.山东理工大学,山东,淄博,255091) 摘要:以Al,TiN,B_4C,Si为原材料,采用自蔓延高温合成热等静压(SHS/HIP)技术制备了AlN-TiN-TiB_2复相导电陶瓷,测定其相对密度,维氏硬度,抗弯强度和断裂韧度等力学性能,并确定了最佳原料比.利用XRD,SEM分析了AlN-TiN-TiB_2复相导电陶瓷的物相和显微组织,材料的断裂模式主要是沿晶断裂.并且研究了不同比例复相陶瓷在不同温度下的电阻率. 关键词:自蔓延高温合成; 热等静压; AlN-TiN-TiB_2复相导电陶瓷; self-propagating high temperature synthesis; hot isostatic pressure; AlN......