Recent progress in high temperature permanent magnetic materials
作者： Cheng-Bao Jiang , Shi-Zhong An
DOI: 10.1007/S12598-013-0162-6
关键词: Metallic materials 、 Magnetocrystalline anisotropy 、 Magnet 、 Nanocomposite 、 Condensed matter physics 、 Materials science 、 Nanocrystalline material 、 Engineering physics 、 Curie temperature
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 are candidates for applications, since they large magnetocrystalline anisotropy field (6–30 T), Curie (720–920 °C), energy product (>200 kJ·m−3) room temperature. However, the highest service commercial 2:17 type magnets is only 300 °C, many efforts been devoted develop novel permanent magnets. This review focuses on development three kinds based magnets: magnets, nanocrystalline nanocomposite The oxidation protection, including alloying surface modification, discussed well.
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