Method and assembly for producing extruded permanent magnet articles
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United States of America Patent
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Sep 10, 1991
Issued Date -
N/A
app pub date -
Apr 14, 1989
filing date -
Nov 18, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for producing a compacted fully dense permanent magnet by providing a particle charge of a permanent magnet alloy composition from which the article is to be made and placing the charge in a cylindrical container having a generally axially positioned core with the charge surrounding the core within the container. The container and charge are heated to an elevated temperature and extruded to compact the charge to a substantially fully dense permanent magnet article.
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