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Title: Superalloys with improved weldability for high temperature applications

Abstract

A cast nickel-base superalloy component (10) is made having a composition containing small amounts of both boron and zirconium which are effective in combination to provide increased weldability, where such alloy is adapted for welding by weld (18) to a second superalloy piece, where the two pieces are firmly bonded together and have a Sigmajig transverse stress value (16) greater than 137.9 million Newtons per square meter.

Inventors:
 [1];  [2];  [2];  [2];  [2];  [3]
+ Show Inventor Affiliations
  1. Orlando, FL
  2. Oak Ridge, TN
  3. Centreville, VA
Issue Date:
Research Org.:
Westinghouse Electric Corp., Pittsburgh, PA (United States)
OSTI Identifier:
873964
Patent Number(s):
6284392
Assignee:
Siemens Westinghouse Power Corporation (Orlando, FL)
Patent Classifications (CPCs):
C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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DOE Contract Number:  
FC21-95MC32267
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
superalloys; improved; weldability; temperature; applications; cast; nickel-base; superalloy; component; 10; composition; containing; amounts; boron; zirconium; effective; combination; provide; increased; alloy; adapted; welding; weld; 18; piece; pieces; firmly; bonded; sigmajig; transverse; stress; value; 16; 137; million; newtons; square; meter; provide increased; square meter; temperature applications; composition containing; nickel-base superalloy; improved weldability; temperature application; cast nickel; cast nickel-base; /428/148/415/416/420/

Citation Formats

Seth, Brij B, George, Easo P, Babu, Sudarsanum S, Goodwin, Gene M, David, Stanislaus A, and Moyer, Carol E. Superalloys with improved weldability for high temperature applications. United States: N. p., 2001. Web.
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Seth, Brij B, George, Easo P, Babu, Sudarsanum S, Goodwin, Gene M, David, Stanislaus A, & Moyer, Carol E. Superalloys with improved weldability for high temperature applications. United States.
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Seth, Brij B, George, Easo P, Babu, Sudarsanum S, Goodwin, Gene M, David, Stanislaus A, and Moyer, Carol E. Mon . "Superalloys with improved weldability for high temperature applications". United States. https://www.osti.gov/servlets/purl/873964.
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@article{osti_873964,
title = {Superalloys with improved weldability for high temperature applications},
author = {Seth, Brij B and George, Easo P and Babu, Sudarsanum S and Goodwin, Gene M and David, Stanislaus A and Moyer, Carol E},
abstractNote = {A cast nickel-base superalloy component (10) is made having a composition containing small amounts of both boron and zirconium which are effective in combination to provide increased weldability, where such alloy is adapted for welding by weld (18) to a second superalloy piece, where the two pieces are firmly bonded together and have a Sigmajig transverse stress value (16) greater than 137.9 million Newtons per square meter.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2001},
month = {1}
}
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