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Title: Method for gas-metal arc deposition

Abstract

Method and apparatus for gas-metal arc deposition of metal, metal alloys, and metal matrix composites. The apparatus contains an arc chamber for confining a D.C. electrical arc discharge, the arc chamber containing an outlet orifice in fluid communication with a deposition chamber having a deposition opening in alignment wiht the orifice for depositing metal droplets on a coatable substrate. Metal wire is passed continuously into the arc chamber in alignment with the orifice. Electric arcing between the metal wire anode and the orifice cathode produces droplets of molten metal from the wire which pass through the orifice and into the deposition chamber for coating a substrate exposed at the deposition opening. When producing metal matrix composites, a suspension of particulates in an inert gas enters the deposition chamber via a plurality of feed openings below and around the orifice so that reinforcing particulates join the metal droplets to produce a uniform mixture which then coats the exposed substrate with a uniform metal matrix composite.

Inventors:
 [1];  [2];  [2]
  1. (Corning, NY)
  2. (Idaho Falls, ID)
Issue Date:
Research Org.:
EG & G IDAHO INC
OSTI Identifier:
867602
Patent Number(s):
4970091
Assignee:
United States of America as represented by United States (Washington, DC) INEEL
DOE Contract Number:  
AC07-76ID01570
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; gas-metal; deposition; apparatus; metal; alloys; matrix; composites; contains; chamber; confining; electrical; discharge; containing; outlet; orifice; fluid; communication; alignment; wiht; depositing; droplets; coatable; substrate; wire; passed; continuously; electric; arcing; anode; cathode; produces; molten; pass; coating; exposed; producing; suspension; particulates; inert; gas; enters; via; plurality; feed; openings; below; reinforcing; join; produce; uniform; mixture; coats; composite; metal wire; producing metal; wire anode; deposition method; metal droplets; matrix composites; metal matrix; deposition chamber; molten metal; inert gas; metal alloy; fluid communication; chamber containing; metal alloys; form metal; outlet orifice; matrix composite; uniform metal; chamber via; depositing metal; uniform mixture; cathode produces; apparatus contains; feed openings; exposed substrate; gas enters; metal droplet; /427/

Citation Formats

Buhrmaster, Carol L., Clark, Denis E., and Smartt, Herschel B. Method for gas-metal arc deposition. United States: N. p., 1990. Web.
Buhrmaster, Carol L., Clark, Denis E., & Smartt, Herschel B. Method for gas-metal arc deposition. United States.
Buhrmaster, Carol L., Clark, Denis E., and Smartt, Herschel B. Mon . "Method for gas-metal arc deposition". United States. https://www.osti.gov/servlets/purl/867602.
@article{osti_867602,
title = {Method for gas-metal arc deposition},
author = {Buhrmaster, Carol L. and Clark, Denis E. and Smartt, Herschel B.},
abstractNote = {Method and apparatus for gas-metal arc deposition of metal, metal alloys, and metal matrix composites. The apparatus contains an arc chamber for confining a D.C. electrical arc discharge, the arc chamber containing an outlet orifice in fluid communication with a deposition chamber having a deposition opening in alignment wiht the orifice for depositing metal droplets on a coatable substrate. Metal wire is passed continuously into the arc chamber in alignment with the orifice. Electric arcing between the metal wire anode and the orifice cathode produces droplets of molten metal from the wire which pass through the orifice and into the deposition chamber for coating a substrate exposed at the deposition opening. When producing metal matrix composites, a suspension of particulates in an inert gas enters the deposition chamber via a plurality of feed openings below and around the orifice so that reinforcing particulates join the metal droplets to produce a uniform mixture which then coats the exposed substrate with a uniform metal matrix composite.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1990},
month = {1}
}

Patent:

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