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Synthesis of Spherical (Y,Gd)BO3∶Eu3+ Phosphor Using W/O Emulsion System Long Zhen1,Yu Zhijian1,Xia Tian1,Zhuang Weidong1,Cui Xiangzhong1,Zhao Chunlei1,Huang Xiaowei1,Zhang Xiying1 (1.National Engineering Research Center for Rare Earth Materials, General Research Institute for Nonferrous Metals, Grirem Advanced Materials Co. Ltd., Beijing 100088, China) Abstract:Spherical (Y, Gd)BO3:Eu3......
Corrosion Behavior of Plasma Transferred Arc Fe-based Coating Reinforced by Spherical Tungsten Carbide in Hydrochloric Acid Solutions董耀华1,2,范丽3,CHEN Haiyan1,DONG Lihua1,YIN Yansheng1,SUN Fanghong21... Jian Qiao University摘 要:Fe-based coatings reinforced by spherical tungsten carbide were deposited on 304 stainless steel using plasma transferred arc(PTA......
of spherical gas bottle is ensured effectively. Key words: spherical gas bottle; TC4 alloy; extruded pipe; superplasticity TC4合金由于具有比强度高,耐高温,耐腐蚀,低温性能好,综合机械性能优异而被国内外学者不断开发研究,并广泛应用于航空航天结构件及相关零部件中.其中为某工程研制的... Schematic plot of spherical gas-bottle by superplastic formation 图8 超塑性气瓶不同位置的微观组织 Fig.8 Microstructures of superplastic cylinder at different positions: (a) Equator position; (b......
; 文章编号:1672-7207(2015)08-2850-07 Lateral carrying characteristics of new externally pressurized spherical air bearings WANG Fusheng1, BAO Gang2, ZHANG Lin1 (1. School of Mechatronics Engineering... pressurized spherical air bearing is affected by the axial force and lateral force at the same time. It is necessary to study the lateral carrying characteristics of bearings. A CFD-based analysis was performed......
a large thick plate with a spherical shape for the manufacture of a large spherical LNG tank. Cell-typed upper and lower dies made of a framework of steel plates fitted to make a grid pattern are used... agrees well with that of the designed experiment within a maximum relative error of 0.03% at the corner of the plate. Key words: cell-typed die; hot plate forming; spherical LNG tank; heat transfer......
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with spherical cavity, ECAE-SC).采用DEFORM-3D有限元软件对工业纯铝室温ECAE-SC变形过程进行模拟,深入研究了材料内部金属流动,挤压载荷,等效应变以及平均应力的分布及变化规律.在此基础上,开展了单道次ECAE-SC工艺实验研究,对变形组织进行EBSD分析和显微硬度测试,旨在为超细晶材料制备技术的开发与应用提供一种新思路. 1 ECAE-SC工艺变... with spherical cavity WANG Xiao-xi1, ZHANG Xiang2, 3, ZHANG Lei1, JIN Xu-chen1, HAN Hao-yuan1 (1. School of Mechanical and Electrical Engineering, Xuzhou University of Technology, Xuzhou 221018, China; 2......
interpolation has the advantage of natural (specifically smooth) orientation interpolation without Gimbal Lock. This work presents the application of quaternion interpolation, specifically Spherical... in terms of smooth joint motion and torque when compared to a conventional (linear) Euler interpolation.Key words:quaternion; spherical linear interpolation (SLERP); euler angle; linear euler interpolation......
)09-3317-08 Direction finding error of spatial baseline algorithm based on spherical array SI Weijian, ZHAO Pinjiao, LIU Lutao (College of Information and Communication Engineering, Harbin Engineering... baseline algorithm, a novel algorithm based on spherical array was proposed. Firstly, the phase difference expressions of incident signal impinging on the different antennas were deduced on the basis......
channel angular extrusion,HCAE)等.本文作者依据ECAP剧烈塑性剪切和等截面重复变形的特点,将"球形分流"和"膨胀挤压"的概念引入传统ECAP技术,提出了一种制备块体UFG材料的新型复合SPD工艺-等通道球形转角膨胀挤压(Equal channel angular expansion extrusion with spherical cavity,ECAEE-SC.... Simulation and experimental validations of novel process entitled equal channel angular expansion extrusion with spherical cavity WANG Xiao-xi1, ZHANG Xiang2, 3, JIN Xu-chen1, HUANG Chuan-hui1, HE Min1 (1......
