The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 2022
Filed:
Dec. 26, 2019
Mitsubishi Power, Ltd., Yokohama, JP;
Yuting Wang, Yokohama, JP;
Shinya Imano, Yokohama, JP;
MITSUBISHI POWER, LTD., Yokohama, JP;
Abstract
A Co based alloy powder includes between 0.08% and 0.25% mass of carbon, 0.1% mass or less of boron, between 10% and 30% mass of chromium, 5% mass or less of iron, and 30% mass or less of nickel; the iron and the nickel in a total amount of 30% mass or less; includes at least one of tungsten and molybdenum in a total amount of between 5% and 12% mass; includes at least one of titanium, zirconium, niobium, tantalum, hafnium, and vanadium in a total amount of between 0.5% mass and 2% mass; includes 0.5% mass or less of silicon, 0.5% mass or less of manganese, and between 0.003% and 0.04% mass of nitrogen; and includes cobalt and impurities as the balance of the powder. Crystal grains included in the cobalt-based alloy powder have segregated cells; the cells have an average size of between 0.15 μm and 4 μm.