チタンアルミナイド合金およびタービン構成部品

Title:

チタンアルミナイド合金およびタービン構成部品

Document Type and Number:

Japanese Patent JP7150439

Kind Code:

B2

Abstract:

A gamma titanium aluminide alloy consisting of, in atomic percent, 38 to 50% aluminum, 1 to 6% niobium, 0.25 to 2% tungsten, 0.01 to 1.5% boron, up to 1% carbon, optionally up to 2% chromium, optionally up to 2% vanadium, up to 2% manganese, and the balance titanium and incidental impurities. In some embodiments, the gamma titanium aluminide alloy forms at least a portion of a gas turbine component (110,112). In some embodiments, a gamma titanium aluminide alloy, consists of, in atomic percent, 40 to 50% aluminum, 1 to 5% niobium, 0.3 to 1% tungsten, 0.1 to 0.3% boron, up to 0.1% carbon, up to 2% chromium, up to 2% vanadium, up to 2% manganese, up to 1% molybdenum, and the balance titanium and incidental impurities.

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Inventors:

Stephan Joseph Barson
Dwight Eric Davidson
Michael Francis Xavier Zigliotti, Jr.
Pazaya Nur Ramanazan Subramanian
Akane Suzuki

Application Number:

JP2018011065A

Publication Date:

October 11, 2022

Filing Date:

January 26, 2018

Export Citation:

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Assignee:

GENERAL ELECTRIC COMPANY

International Classes:

C22C14/00; F01D5/02; F01D5/28; F01D25/00; F02C7/00

Domestic Patent References:

JP5230568A
JP2002510750A

Foreign References:

US20100252146
CN104550964A

Attorney, Agent or Firm:

Toshihisa Kurokawa
Hiroshi Ogura
Takuto Tanaka

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