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Sm(Coba1 Fe0.197Cu0.049Zr0.026)7.5 magnet with Hci of 2105 kA/m andβ18-200℃ of - 0.17%/℃ was made by sintering processing. The magnet has uniform celluler structure. The cell interior is a rhombohedarl 2:17phase,and the boundary is a hexagonal 1:5 phase.