Method of annealing nonferrous metal parts without stickers
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United States of America Patent
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-
Dec 12, 2000
Grant Date -
N/A
app pub date -
Jun 11, 1999
filing date -
Dec 18, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Process to avoid adhesions during the annealing of non-ferrous metal alloys, comprising the heating, holding and cooling phases, whereby the material being annealed is exposed to an inert or oxidizing protective-gas atmosphere during the structure transformation, as a result of which a thin oxide layer is formed during this time on the surface of the material being annealed and/or an oxide layer that was previously there is maintained, thus preventing the non-ferrous metal objects from adhering together.
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