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Title: Alumina-forming, high temperature creep resistant Ni-based alloys

Patent ·
OSTI ID:1735160
;

An alumina-forming, high temperature creep resistant alloy is composed essentially of, in terms of weight percent: up to 10 Fe, 3.3 to 4.6 Al, 6 to 22 Cr, 0.68 to 0.74 Mn, 5.2 to 6.6 Mo, 0.4 to 1.2 Ti, up to 0.1 Hf, 0.005 to 0.05 La, 0.4 to 0.6 W, 0.1 to 0.35 C, up to 0.002 B, 0.001 to 0.02 N, balance Ni.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
10,745,781
Application Number:
16/188,253
OSTI ID:
1735160
Resource Relation:
Patent File Date: 11/12/2018
Country of Publication:
United States
Language:
English

References (10)

Heat treated superalloy single crystal article and process patent June 1980
Oxidation Resistant Superalloy and Article patent-application December 2005
The formation of aluminum oxide scales on high-temperature alloys journal October 1992
Alumina Forming Iron Base Superalloy patent-application October 2013
Oxide defects in a vacuum investment-cast ni-based turbine blade journal July 2004
Alumina-forming, high temperature creep resistant Ni-based alloys patent January 2019
Oxidation resistant high creep strength austenitic stainless steel patent June 2010
Heat-resistant nickel-alloy composite excellent in high-temperature oxidation resistance patent October 2007
Austenitic heat-resistant steel which forms Al.sub.2 O.sub.3 film in high-temperature oxidizing atmosphere patent May 1980
Ni-Base Heat Resistant Alloy and Welded Joint Thereof patent-application January 2003

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