Coating parent bore metal of engine blocks

Details Coating parent bore metal of engine blocks Coating parent bore metal of engine blocks

1997-03-31

1998-10-13

Lusignan, Michael

Coating processes

Spray coating utilizing flame or plasma heat

Continuous feed solid coating material

427456, 427470, 427475, 427486, 123668, B05D 104, B05D 109

Patent

active

058209387

ABSTRACT:
A method of fluxing a cast light-weight metal substrate for thermally adhering sprayed metallic coatings thereto, comprising: (a) preparing the substrate to be clean of grease and oil and to have a uniform and homogeneous surface energy; (b) electrostatically depositing a dry flux powder coating onto such prepared surface; and (c) thermally depositing melted metal onto and across the flux coated surface to further thermally activate the flux if not already activated, for stripping away any substrate oxides and to thermally metallurgically bond the deposited molten metal to the substrate.

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