Nickel-based superalloy and gas turbine blade using the same

US9103003B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9103003-B2
Application numberUS-54362309-A
CountryUS
Kind codeB2
Filing dateAug 19, 2009
Priority dateSep 30, 2008
Publication dateAug 11, 2015
Grant dateAug 11, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A Ni-based superalloy contains 13.1 to 16.0 percent by mass of Cr, 1.0 to 6.8 percent by mass of Co, 3.0 to 3.4 percent by mass of Al, 4.6 to 5.6 percent by mass of Ti, 2.0 to 4.4 percent by mass of Ta, 3.5 to 4.9 percent by mass of W, 0.1 to 0.9 percent by mass of Mo, 0.3 to 1.4 percent by mass of Nb, 0.05 to 0.20 percent by mass of C, and 0.01 to 0.03 percent by mass of B with the remainder being nickel and inevitable impurities. The superalloy excels in corrosion resistance, oxidation resistance, has high strength, and is used in parts of a gas turbine to be used at high temperature. The resulting gas turbine excels in durability.

First claim

Opening claim text (preview).

What is claimed is: 1. A casting that is a conventional casting formed of a Ni-based conventional casting superalloy comprising: 13.1 to 16.0 percent by mass of Cr, 1.0 to 6.8 percent by mass of Co, 3.0 to 3.4 percent by mass of Al, more than 5.0 to 5.6 percent by mass of Ti, 2.0 to 4.4 percent by mass of Ta, 3.5 to 4.9 percent by mass of W, 0.1 to 0.9 percent by mass of Mo, 0.3 to 1.4 percent by mass of Nb, 0.05 to 0.20 percent by mass of C, and 0.014 to 0.02 percent by mass B, wi…

Assignees

Inventors

Classifications

  • Cross-Sectional Technologies · mapped topic

  • Mechanical Engineering · mapped topic

  • C22C19/056Primary

    Chemistry & Metallurgy · mapped topic

  • Mechanical Engineering · mapped topic

  • Cross-Sectional Technologies · mapped topic

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9103003B2 cover?
A Ni-based superalloy contains 13.1 to 16.0 percent by mass of Cr, 1.0 to 6.8 percent by mass of Co, 3.0 to 3.4 percent by mass of Al, 4.6 to 5.6 percent by mass of Ti, 2.0 to 4.4 percent by mass of Ta, 3.5 to 4.9 percent by mass of W, 0.1 to 0.9 percent by mass of Mo, 0.3 to 1.4 percent by mass of Nb, 0.05 to 0.20 percent by mass of C, and 0.01 to 0.03 percent by mass of B with the remainder b…
Who is the assignee on this patent?
Yoshinari Akira, Mitsubishi Hitachi Power Sys
What technology area does this patent fall under?
Primary CPC classification C22C19/056. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).