Preparation method for centrifugal atomization tin-coated copper composite powder
The invention relates to a preparation method for centrifugal atomization tin-coated copper composite powder. The method comprises the following steps that (1) coated copper powder is put in a spiralconveyor, copper powder is quantitatively conveyed into a tundish containing molten metal tin through...
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Format: | Patent |
Sprache: | chi ; eng |
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