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Vol.27, No.2, 165 ~ 171, 1989
Title
The Effect of cu and Sm contents on the Magnetic Properties of the Sm2 ( Co , M ) 17 System Magnetic Powders for Plastic Magnet
정원용W . Y . Jeung, 피우갑W . K . Pi, 오재현J . H . Oh
Abstract
This study investigated effects of Cu and Sm contents and heat treatments on magnetic properties and formation of cell structures of Sm₂(Co, M)_(17) powders. In the Sm (Co_(bal) Fe_(24-x/4)CU_xZr_(028))_(8.35) system, coercive force and residual induction increased as xincreased upto 0.12 and 0.08, respectively. In the Sm(Co_(672)Fe_(220)Cu_(080)Zr_(028))_Z system, coercive force increased as Z increased from 8.05 to 8.50. When Z=8.50, values for i_(Hc) and B, were 17KOe and 9.5KG, respectively, after solution treatment at 1,100℃ followed by isothermal aging at 800℃ for 24 hours.
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