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2016•2016 International Conference of Asian Union of Magnetics Societies (ICAUMS)Requires access

The Effect of Nd-Cu Addition on the Coercivity of Hot-Deformed Magnet Prepared with HDDR Powder

Haihang Wang, Renjie Chen, Wenzong Yin, Chaoxiang Jin, Zexuan Wang, Doo Lee, Aru Yan

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Abstract

HDDR (hydrogenation disproportionation desorption recombination) has attracted much attention for refining grain size and recycling waste magnets. [1]-[2] However, the coercivity of deformed magnets prepared by HDDR-processed powders (HDDR magnet) are far below the expected value based on their submicron grains, which is attributed to the lack of continuous ultrathin Nd-rich intergranular phase between neighboring Nd2Fe14B matrix grains.[3]

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What this paper is about

HDDR (hydrogenation disproportionation desorption recombination) has attracted much attention for refining grain size and recycling waste magnets. [1]-[2] However, the coercivity of deformed magnets prepared by HDDR-processed powders (HDDR magnet) are far below the expected value based on their submicron grains, which is attributed to the lack of continuous ultrathin Nd-rich intergranular phase between neighboring Nd2Fe14B matrix grains.[3]

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Available abstract

HDDR (hydrogenation disproportionation desorption recombination) has attracted much attention for refining grain size and recycling waste magnets. [1]-[2] However, the coercivity of deformed magnets prepared by HDDR-processed powders (HDDR magnet) are far below the expected value based on their submicron grains, which is attributed to the lack of continuous ultrathin Nd-rich intergranular phase between neighboring Nd2Fe14B matrix grains.[3]

Key concepts: Coercivity, Magnet, Disproportionation, Materials science, Ferromagnetism, Desorption, Analytical Chemistry (journal), Chemical engineering

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The Effect of Nd-Cu Addition on the Coercivity of Hot-Deformed Magnet Prepared with HDDR Powder — Research Paper | ScholarLens