ホーム » リソース » よくある質問 » 磁石＆磁気 » 磁石はどのように作られますか？
磁石は、鉄、ニッケル、コバルトに他の元素をドープすることで作られます。特に希土類を添加することで、非常に強力な磁石を作ることができます。
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