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Influence of loading and rotation speed on Friction and Wear properties of CuAlBi Alloy刘荣昌,董丽涛,李兴元,陈秀宏摘 要:The variation of the friction coefficient of the CuAlBi alloy at different connecting loading and friction speed were investigated by using MMU-5G sliding friction-wear tester, besides, the wear mass loss of the CuAlBi alloy was measured......
Dimpling Suppression by Chamfered Rotatable Cubic Punch in Reconfigurable Die Forming蔡一杰1,2,胡勇1,2,XIONG Jie2,WANG Chengfang21. Key Laboratory of High Performance Ship Technology (Wuhan University... by conventional hemispherical punch in doubly curved sheet metal reconfigurable die forming process were considered.The rotatable cubic punch (RCP) was developed to suppress the dimpling defects more......
Quantitative Mossbauer Study on Retained Austenite and Carbide in High Speed Steel张恒华,马如璋,苏世漳,常汝琴,金慧娟,许桂琴摘 要:<正> The retained austenite in high speed... technique.The results meas-ured by these methods were in agreement with eachother.It was demonstrated that the concentrationof carbides in high speed steel could be measured bytransmission Mossbauer......
热卷箱主令速度控制方法牛怀平1,2,彭燕华1,何立2,何茂松2(1.重庆市中冶赛迪工程技术股份有限公司技术中心2.重庆市重庆市钢铁冶金工程技术研究中心)摘 要:提出了一种热卷箱与粗轧和精轧互为主从的主令速度控制新方法.建立了主令速度分区控制思想,并提出了主令速度分解及单体设备速度补偿策略.该方法具有大型轧钢控制中强调区域协调性的优良特点,建立了合理而紧凑的带钢轧制节奏.工程应用验证了该方法的有效性和实用性.关键词:热连轧; 热卷箱; 主令速度控制; 速度分解; 速度补偿......
Influence of rare earths on eutectic carbides in AISI M2 high speed steel周雪峰1,殷晓燕1,方峰1,蒋建清11. Jiangsu Key Laboratory of Advanced Metallic Materials, Southeast University摘 要:The effect of rare earths on the morphology and microstructure of eutectic carbides in M2 high speed steel was studied. The results showed that rare earths promoted the formation......
Modeling Notch Wear of Ceramic Tool in High Speed Machining of Nickel-based Superalloy肖茂华College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics摘 要:On the basis of theoretical analyses and calculations of high speed continuous impact force and tool notch surface temperature acted upon by burr and serrated chip......
Influence of rare earths on eutectic carbides in AISI M2 high speed steel周雪峰1,殷晓燕1,方峰1,蒋建清11. Jiangsu Key Laboratory of Advanced Metallic Materials, Southeast University摘 要:The effect of rare earths on the morphology and microstructure of eutectic carbides in M2 high speed steel was studied. The results showed that rare earths promoted the formation......
, processing route, temperature of operation, pressing speed, internal heating, number of pass through the die and back pressure. Various ECAP characteristics such as microstructure, strain inhomogeneity and mechanical properties are considered to achieve the maximum homogeneity, equilibrium grain refinement and mechanical improvement of CP-Ti. Investigations show that a pressing speed of 1-3 mm/s......
Influence of loading and rotation speed on Friction and Wear properties of CuAlBi Alloy Dong Litao1,Li Xingyuan2,Liu Rongchang1,Chen Xiuhong1 (1.E & A College, Hebei Normal University of Science... at different connecting loading and friction speed were investigated by using MMU-5G sliding friction-wear tester, besides, the wear mass loss of the CuAlBi alloy was measured, and the influence of loading......
Texture of AZ31B magnesium alloy sheets produced by differential speed rolling technologiesLIU Huaqiang, TANG Di, CAI Qingwu, and LI Zhen National Engineering Research Center of Advanced Rolling Technology, University of Science & Technology Beijing, Beijing 100083, China摘 要:The effects of differential speed rolling (DSR) on the texture of AZ31B......