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process for the preparation of a composite powder, which the particles consist of a matrix of aluminium or aluminium alloy containing gedispergeerde particles of alumina.process for the manufacture of articles that powder and articles manufactured with this method.
process for the preparation of a composite powder, which the particles consist of a matrix of aluminium or aluminium alloy containing gedispergeerde particles of alumina.process for the manufacture of articles that powder and articles manufactured with this method.