Method of manufacturing oriented body, molded body and sintered body as well as method of manufacturing permanent magnet
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United States of America Patent
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Mar 6, 2012
Grant Date -
Feb 11, 2010
app pub date -
Nov 19, 2007
filing date -
Nov 21, 2006
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Abstract
There is provided a method of manufacturing a permanent magnet having extremely high orientation by arranging such that the crystal fractures of alloy raw meal powder having more equal crystal orientational relationship are combined in magnetic field. In this invention, alloy raw meal powder is filled into a cavity and, while agitating the alloy raw meal powder inside the cavity, is oriented in the magnetic field. This oriented body is then compression molded in the magnetic field into a predetermined shape.
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