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Recent progress in high temperature permanent magnetic materialsCheng-Bao Jiang,Shi-Zhong AnSchool of Materials Science and Engineering, Beihang University摘 要:Permanent magnetic materials capable of operating at high temperature up to 500°C have wide potential applications in fields such as aeronautics,space,and electronic cars.SmCo alloys......
process is found to be 32 mT. Key words: Al-Zn-Mg-Cu alloy; DC casting; low frequency electromagnetic field; magnetic flux density; microstructure 1 Introduction Superhigh strength aluminum alloys... strength and elongation of ingots 4 Discussion In the LFEC process the alternative current generates a time varying magnetic field in the melt, which, in turn, gives rise to an induced current......
The Effect of Magnetic Field on Resistivity of Hg0.89Mn0.11Te in Different Temperature Range王泽温1,2,JIE Wanqi31. School of Insurance and Economics, University of International Business and Economics2...">The resistivity of Hg0.89Mn0.11 Te has been measured by the superconducting quantum interference device magnetometer in the temperature range from 5 to 200 K under the applied magnetic field of 1, 2......
Effects of electric field treatment on microstructures ofGH4199 superalloy after long-term aging LIU Yang(刘 杨)1, WANG Lei(王 磊)1, WANG Shuai(王 帅)1,QIAO Xue-ying(乔雪璎)2, WANG Yan-qing(王延庆)2 1. Key... Received 28 July 2006; accepted 15 September 2006 Abstract: The effects of electric field intensity and treatment temperature on the microstructures of GH4199 superalloy after long-term aging were......
magnetic field applied along the microwires axis, and "^" refers to the transverse magnetization with the external magnetic field applied perpendicularly to the axis of the microwires...-coated FeCuNbSiB microwires Fig.3 SEM photograph of glass-coated FeCuNbSiB microwires Fig.4 Axial hysteresis loop of one microwire with its axis parallel to external magnetic field ......
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; microstrip line; high frequency structure simulation 1 Introduction Magnetic thin films are natural candidates for high-frequency applications, including electromagnetic compatibility, magnetic field sensors, microwave darkroom and wave-absorbing materials [1-2]. FeCo-based magnetic thin films attribute to their high permeability and high loss under microwave frequency to realize broadband absorbing......
capacitive field (RCF) with frequency of 27.12 MHz and power of 60-150 W were investigated. When the power of RCF is lower than 90 W, temperatures of Fe3O4 magnetic nanoparticles (75-150 mg/mL) can be raised... to RCF power, particle size and particle concentration. Key words: Fe3O4; magnetic nanoparticles; radiofrequency capacitive field; synthesis; characterization; heating effects 1 Introduction Fe3O4......
confirmed the adsorption of magnetic seeds onto minerals, resulting in a decreased threshold magnetic field intensity for the MSA to happen. Then atomic force microscope (AFM) study found that there exists... was collected from the above slimes by high-intensity magnetic separation and gravity separation, being mostly used for MSA analysis. Magnetic seeds were produced through the air-oxidation technique......
to apply high magnetic field to microstructure control during the solidification processing and phase transformation [1,2]. Many researches about microstructure control under magnetic field... control of IMC layer in recent years. Many studies have been conducted to realize the layer crystallization of IMC under high magnetic fields. It has been recognized that high magnetic field can affect......
