Nickel-base superalloy and use thereof

US2018073106A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2018073106-A1
Application numberUS-201715696516-A
CountryUS
Kind codeA1
Filing dateSep 6, 2017
Priority dateSep 13, 2016
Publication dateMar 15, 2018
Grant date

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.

The novel nickel-base superalloy useful in an additive manufacturing process or a powder-based manufacturing process includes the following composition in wt %: Cr 8.0-8.5; Co 9.0-9.5; Mo 0.4-0.6; W 9.3-9.7; Ta 2.9-3.6; Al 4.9-5.6; Ti 0.2-1.0; Hf 0-0.05; C 0.005-0.03; B 0.005-0.02; Zr 0.005-0.1; Nb 0.2-1; Mn 0-0.6; and S 0-0.002 (≦20 ppm); the balance nickel and incidental elements and unavoidable impurities.

First claim

Opening claim text (preview).

1 . A nickel-base superalloy comprising the following composition in wt %: Cr 8.0-8.5 Co 9.0-9.5 Mo 0.4-0.6 W 9.3-9.7 Ta 2.9-3.6 Al 4.9-5.6 Ti 0.2-1.0 Hf   0-0.05 C 0.005-0.03  B 0.005-0.02  Zr 0.005-0.1  Nb 0.2-1   Mn   0-0.6 S 0-0.002 (≤20 ppm) the balance nickel and incidental elements and unavoidable impurities. 2 . A nickel-base superalloy as claimed in claim 1 , comprising the following composition in wt %: Cr 8.0-8.5 Co 9.0-9.5 Mo 0.4-0.6 W 9.3-9.7 Ta 3.1-3.5 Al 5.1-5.5 Ti 0.5-0.9 Hf   0-0.05 C 0.005-0.02  B 0.005-0.02  Zr 0.005-0.02  Nb 0.6-1   S 0-0.0005 (≤5 ppm) the balance nickel and incidental elements and unavoidable impurities. 3 . A nickel-base superalloy as claimed in claim 1 , comprising the following composition in wt %: Cr 8.00-8.50 Co 9.00-9.50 Mo 0.40-0.60 W 9.30-9.70 Ta 3.10-3.50 Al 5.10-5.50 Ti 0.50-0.90 Hf   0-0.05 C 0.005-0.015 B 0.005-0.015 Zr 0.005-0.015 Nb 0.6-1.0 S 0-0.0005 (≤5 ppm) the balance nickel and incidental elements and unavoidable impurities. 4 . A nickel-base superalloy as claimed in claim 1 , wherein the incidental elements are one or more element selected from the following (wt % unless indicated to be ppm): V 0.10 max Fe 0.05 max Si 0.05 max P 0.005 max Mg 0.005 max Cu 0.01 max N 60 ppm max O 250 ppm max Ag 1 ppm max As 5 ppm max Bi 0.1 ppm max. Cd 2 ppm max Ga 25 ppm In 0.2 ppm max Pb 2 ppm max Sb

Assignees

Inventors

Classifications

  • C22C19/057Primary

    with the maximum Cr content being less 10% · CPC title

  • Alloys based on nickel · CPC title

  • Products made by additive manufacturing · CPC title

  • Build-up welding · CPC title

  • with chromium · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

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

What does patent US2018073106A1 cover?
The novel nickel-base superalloy useful in an additive manufacturing process or a powder-based manufacturing process includes the following composition in wt %: Cr 8.0-8.5; Co 9.0-9.5; Mo 0.4-0.6; W 9.3-9.7; Ta 2.9-3.6; Al 4.9-5.6; Ti 0.2-1.0; Hf 0-0.05; C 0.005-0.03; B 0.005-0.02; Zr 0.005-0.1; Nb 0.2-1; Mn 0-0.6; and S 0-0.002 (≦20 ppm); the balance nickel and incidental elements and unavoida…
Who is the assignee on this patent?
Rolls Royce Plc
What technology area does this patent fall under?
Primary CPC classification C22C19/057. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Thu Mar 15 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).