Coating formed on base metal surface, heat-resistant machinery part, nozzle for processing machine, contact tip for welding, method of forming coating, method of manufacturing heat-resistant machinery part, method of manufacturing nozzle for processing machine, and method of manufacturing contact tip for welding
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsAkihiro Goto, Masao Akiyoshi, Tadanao Sugiura, Hiroyuki Ochiai, Mitsutoshi Watanabe
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Abstract
A nozzle for a processing machine has a hard ceramic coating formed on a surface of a base metal. A metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo is formed on the hard ceramic coating.
Claims22
A coating formed on a surface of a base metal, comprising:
- a hard ceramic coating formed on the surface of the base metal;
- and
- a metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo formed on the hard ceramic coating.
A heat-resistant machinery part used under high temperature, comprising:
- a body having a metal surface;
- and
- a coating formed on the metal surface of the body, including
- a hard ceramic coating formed on the metal surface of the body, and
- a metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo formed on the hard ceramic coating.
A nozzle for a processing machine, comprising:
- a body having a metal surface;
- and
- a coating formed on the metal surface of the body, including
- a hard ceramic coating formed on the metal surface of the body, and
- a metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo formed on the hard ceramic coating.
A contact tip for welding, comprising:
- a body having a metal surface;
- and
- a coating formed on the metal surface of the body, including
- a hard ceramic coating formed on the metal surface of the body, and
- a metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo formed on the hard ceramic coating.
A method of forming a coating, comprising:
- forming a hard ceramic coating on a surface of a base metal;
- and
- forming a metal-based coating on the hard ceramic coating, the metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo.
A method of manufacturing a heat-resistant machinery part used under high temperature, comprising:
- manufacturing a body of the heat-resistant machinery part, the body having a metal surface;
- forming a hard ceramic coating on the metal surface of the body;
- and
- forming a metal-based coating on the hard ceramic coating, the metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo.
A method of manufacturing a nozzle for a processing machine, comprising:
- manufacturing a body of the nozzle, the body having a metal surface;
- forming a hard ceramic coating on the metal surface of the body;
- and
- forming a metal-based coating on the hard ceramic coating, the metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo.
A method of manufacturing a contact tip for welding, comprising:
- manufacturing a body of the contact tip, the body having a metal surface;
- forming a hard ceramic coating on the metal surface of the body;
- and
- forming a metal-based coating on the hard ceramic coating, the metal-based coating mainly consisting of at least one metal element selected from a group consisting of Cr, Ni, Fe, W, and Mo.
Dependencies are inferred from the claim text.