CREEP-RESISTANT, LONG-SERVICE-LIFE, NICKEL-BASED DEFORMATION SUPERALLOY AND METHOD FOR PREPARATION THEREOF AND APPLICATION THEREOF

Title:

CREEP-RESISTANT, LONG-SERVICE-LIFE, NICKEL-BASED DEFORMATION SUPERALLOY AND METHOD FOR PREPARATION THEREOF AND APPLICATION THEREOF

Document Type and Number:

WIPO Patent Application WO/2022/100169

Kind Code:

A1

Abstract:

Disclosed is a creep-resistant, long-service-life, nickel-based deformation superalloy, comprising: C: 0.04-0.08%; Cr: 18.50-21.50%; Co: 9.00-11.00%; Mo: 8.00-9.00%; Al: 2.00-3.00%; Ti: 1.10-1.49%; Nb: 0.81-2.00%; B: 0.003-0.009%; Sc: 0.001-0.10 %; the remainder is nickel and unavoidable impurities; in terms of mass percentage, the mass percent content of the elements Al, Ti, and Mo in the alloy satisfies the relational expression: 11.59% ≤ Al+Ti+Mo ≤ 13.0%. The nickel-based deformation superalloy of the present invention has excellent creep resistance and long service life, is capable of meeting the requirements for the design and use of advanced aircraft engines and gas turbines, and is suitable for manufacturing precision hot-end components for long-term service in equipment such as advanced aero-engines and gas turbines.

More Like This:

JP2010242156	Ni-BASED ALLOY SUPERIOR IN HIGH-TEMPERATURE STRENGTH, CASTABILITY AND WELDABILITY FOR CAST COMPONENT OF STEAM TURBINE, AND MEMBER FOR STEAM TURBINE
WO/2014/158349	NEAR EUTECTIC COMPOSITION NICKEL BASE SANDWICH BRAZE FOIL

Inventors:

SHU GUOGANG (CN)
WEN XINLI (CN)
DONG JIANXIN (CN)
ZHANG QINGQUAN (CN)
JIANG HE (CN)
LI ZHENRUI (CN)
LIU WEI (CN)
YU ZHIYONG (CN)
PENG JIE (CN)
LIU HAIBO (CN)
WEI RAN (CN)
LI GUOCHAO (CN)

Application Number:

PCT/CN2021/111913

Publication Date:

May 19, 2022

Filing Date:

August 10, 2021

Export Citation:

Click for automatic bibliography generation Help

Assignee:

CHINA UNITED GAS TURBINE TECH CO LTD (CN)
BEIJING BEIYE FUNCTIONAL MAT CORPORATION (CN)

International Classes:

C22C19/05; C22C1/02; F02C7/00

Foreign References:

CN112575228A	2021-03-30
CN110300811A	2019-10-01
CN108467972A	2018-08-31
CN103160710A	2013-06-19
CN201210057737A	2005-06-17
CN201910811805A	2019-08-30

Other References: