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The Fe-Si-B-Nb-Cu alloys containing Ca and Al were rapidly solidified to thin ribbons by melt-spinning. The ribbons were ball-milled to make powders, and then mixed with 1 wt.% water glass and 1.5 wt.% lubricant.

The mixed powders were burn-off, and then compacted to form toroidal-shaped cores, which were heat treated to crystallize the nano-grain structure and to remove residual stress of material. The characteristics of the powder cores were analyzed using a differential scanning calorimetry (DSC) and a B-H meter. The microstructures were observed using transmission electron microscope (TEM). The optimized soft magnetic properties (μi and Pcv) of the powder cores were obtained from the Ca and Al containing alloys after annealing at 530 °C for 1 h. The core loss of Fe-Si-B-Nb-Cu-based powder cores was reduced by the addition of Ca element, and the initial permeability increased due to the addition of Al element.

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기사명 저자명 페이지 원문 목차
Effect of Proton Irradiation on the Magnetic Properties of Antiferromagnet/ferromagnet Structures Dong-Jun Kim, Jin-Seok Park, Ho Jin Ryu, Jong-Ryul Jeong, Chang-Kyu Chung, Byong-Guk Park pp.159-163

Effect of Boron Additions on Glass Formation and Magnetic Properties of Fe-Co-Ti-Zr-B Amorphous Ribbons Sumin Kim, Bo Kyeong Han, Haein Choi-Yim pp.164-167

Detwinning Monoclinic Phase BiMnO₃Thin Film Umasankar Dash, N.V. Raveendra, Chang Uk Jung pp.168-172

Rotor Position Detection of CPPM Belt Starter Generator with Trapezoidal Back EMF using Six Hall Sensors Xu Jiaqun, Long Feng, Cui Haotian pp.173-178

Facile Synthesis of Flower-like Superparamagnetic Fe₃O₄/BiOCl Nanocomposites as High Effective Magnetic Recyclable Photocatalyst under Visible Light Wei Wang, Mingyi He, Huan Zhang, Yatang Dai pp.179-182

Study on Proton Radiation Resistance of 410 Martensitic Stainless Steels under 3 MeV Proton Irradiation Jae-Woong Lee, S. Surabhi, Soon-Gil Yoon, Ho Jin Ryu, Byong-Guk Park, Yeon-Ho Cho, Yong-Tae Jang, Jong-Ryul Jeong pp.183-186

Analysis of Magnetic Permeability Spectra of Metamaterials Composed of Cut Wire Pairs by Circuit Theory Jun-Hee Lim, Sung-Soo Kim pp.187-191

Effect of Ca and Al Additions on the Magnetic Properties of Nanocrytalline Fe-Si-B-Nb-Cu Alloy Powder Cores Sun Gyu Moon, Ji Seung Kim, Keun Yong Sohn, Won-Wook Park pp.192-196

Efficient Re-degaussing Technique for a Naval Ship Undergoing a Breakdown in Degaussing Coils Dong-Wook Kim, Sang-Kyun Lee, Byungsu Kang, Jeonghun Cho, WooSeok Lee, Chang-Seob Yang, Hyun-Ju Chung, Dong-Hun Kim pp.197-203

A Non-contact Detection Method for Smelting in Submerged Arc Furnace based on Magnetic Field Radiation WeiLing Liu, XiaoMing Chang pp.204-208

The Magnetic Properties of Electrical Steel for Rotating Machine according to the Specimen Yun-Yong Choi, Jun-Woo Chin, Jung-Pyo Hong pp.209-214

Electromagnetic Forming Process Analysis Based on Coupled Simulations of Electromagnetic Analysis and Structural Analysis Man Gi Lee, Seung Hwan Lee, Sunwoo Kim, Jin Ho Kim pp.215-221

Correlation between Coil Configurations and Discharge Characteristics of a Magnetized Inductively Coupled Plasma Hee-Woon Cheong pp.222-228

Study on the Preparation Process and Properties of Magnetorheological Fluid Treated by Compounding Surfactants Xiangfan Wu, Xingming Xiao, Zuzhi Tian, Fei Chen pp.229-234

Synthesis, Structure and Magnetization Behaviors of MnBi/Fe₃B/Nd₂Fe_14_B Nanocomposite alloy Y. Yang, Q. Wu, Y.C. Hu, P.Y. Zhang, H.L. Ge pp.235-238

A Rotating Flux Pump Employing a Magnetic Circuit and a Stabilized Coated Conductor HTS Stator Z. Jiang, C.W. Bumby, R.A. Badcock, N.J. Long, H.J. Sung, M. Park pp.239-243

Effect of Particle Characteristics and Temperature on Shear Yield Stress of Magnetorheological Fluid Xiangfan Wu, Xingming Xiao, Zuzhi Tian, Fei Chen, Wang Jian pp.244-248

Demagnetization Diagnosis of Permanent Magnet Synchronous Motor Using Frequency Analysis at Standstill Condition Jin-Hyung Yoo, Tae-Uk Jung pp.249-254

Occupational Exposure to Steady Magnetic Fields and its Effect on Workers Blood Indices at an Electrolysis Unit Mohammad Reza Ghotbi Ravandi, Hossein Mardi, Narges Khanjani, Abolfazl Barkhordari pp.255-260

Surface Tension of Magneto-Rheological Fluids Shai Rahimi, Daniel Weihs pp.261-265

Arm Cortex S3C2440 Microcontroller Application for Transcranial Magnetic Stimulation's Pulse Forming on Bax Reactive Cells and Cell Death in Ischemia Induced Rats Han-Ho Tac, Whi-Young Kim pp.266-272

Bionic Study of Variable Viscosity on MHD Peristaltic Flow of Pseudoplastic Fluid in an Asymmetric Channel Ambreen A. Khan, Saima Muhammad, R. Ellahi, Q.M. Zaigham Zia pp.273-280

Comparison Study of Image Performance with Contrast Agent Contents for Brain Magnetic Resonance Imaging Youngjin Lee, Min Hyeok Choi, Hee Jin Goh, Dong-Kyoon Han pp.281-285

Differential Absorption Analysis of Nonmagnetic Material in the Phantom using Dual CT Ki-Youl Kim, Hae-Kag Lee, Jae-Hwan Cho pp.286-292

Chest-wall Surface Dose During Post-mastectomy Radiation Therapy, with and without Nonmagnetic Bolus : A Phantom Study Cheon Woong Choi, Joo Wan Hong, Cheol Soo Park, Jae Ouk Ahn pp.293-297

Development of a Femur Neck Bone Mineral Density Measuring Device for Accurate Examination Man-Seok Han, Sun-youl Seo, Yong-Kyun Kim, Min-Cheol Jeon, Hyun-kuk Lee, Se-Jong Yoo pp.298-302

참고문헌 (39건) : 자료제공( 네이버학술정보 )

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번호 참고문헌 국회도서관 소장유무
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