| 简介 |
It is an object of the present invention to provide a rare earth magnet that will not decompose due to hydrogen embrittlement when used in a hydrogen gas atmosphere, and furthermore, does not pose the risk of contaminating a reaction bath with the surface treated film of the magnet. The present invention provides a sealed rare earth magnet comprising : a rare earth magnet; and a case of aluminum or aluminum alloy, wherein the case covers entirety of the rare earth magnet and is sealed by HIP; and the methods for manufacturing the same. |
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