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Metalcasting at Home Part 36, Degassing plunger
Автор: myfordboy
Загружено: 2014-01-13
Просмотров: 262362
Описание:
To eliminate trapped air in the casting a degassing plunger is used to push the degasser to the bottom of the crucible. The bubbles produced drive off hydrogen gas which is absorbed by the metal during melting.
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