Alloy coated metal base substrates, such as coated ferrous metal

Details Alloy coated metal base substrates, such as coated ferrous metal Alloy coated metal base substrates, such as coated ferrous metal

1993-12-21

1994-12-27

Heinrich, Samuel M.

Metal fusion bonding

Process

Plural diverse bonding

2281221, 228215, 427190, 427191, 29423, B23K 100, B23K 3100

Patent

active

053757599

ABSTRACT:
A method is provided for applying a self-fluxing, self-bonding alloy coating of a hard facing alloy in powder form to a ferrous metal plate or substrate of melting point substantially higher than that of the hard facing alloy. The method comprises providing a plate of a ferrous metal substrate to be coated in which a surface of the plate to be coated is cleaned, e.g., by grit blasting. A retaining bank is formed substantially about a predetermined periphery of the plate by forming a ridge of a predetermined height on the clean surface to provide a confining zone into which a powder of the hard facing alloy is smoothly applied to a predetermined thickness to provide a composite of the alloy powder and the substrate. The powder may have an average particle size ranging from about 40 mesh to about 400 mesh (U.S. Standard) e.g., about 80 mesh to about 325 mesh. Following the application of the alloy powder to the confining zone to provide a composite, the composite is heated under substantially non-oxidizing conditions at a temperature sufficiently high to melt the alloy powder but below the melting temperature of the metal substrate, and thereby provide a dense alloy coating bonded to the ferrous metal plate or substrate. The coated plate is then cooled under substantially non-oxidizing conditions to solidify the coating.

REFERENCES:
patent: 3876447 (1975-04-01), Lally
patent: 4333419 (1982-06-01), Hufnagl et al.
patent: 4441903 (1984-04-01), Bhatti
patent: 4471034 (1984-09-01), Romero et al.
patent: 4806394 (1989-02-01), Steine
patent: 4938991 (1990-07-01), Bird

Affiliated with

Also associated with

Rating

Alloy coated metal base substrates, such as coated ferrous metal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Alloy coated metal base substrates, such as coated ferrous metal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alloy coated metal base substrates, such as coated ferrous metal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-913091