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Title: Residual Stresses in 21-6-9 Stainless Steel Warm Forgings

Abstract

Forging residual stresses are detrimental to the production and performance of derived machined parts due to machining distortions, corrosion drivers and fatigue crack drivers. Residual strains in a 21-6-9 stainless steel warm High Energy Rate Forging (HERF) were measured via neutron diffraction. The finite element analysis (FEA) method was used to predict the residual stresses that occur during forging and water quenching. The experimentally measured residual strains were used to calibrate simulations of the three-dimensional residual stress state of the forging. ABAQUS simulation tools predicted residual strains that tend to match with experimental results when varying yield strength is considered.

Authors:
; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Kansas City Plant (KCP), Kansas City, MO (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
Contributing Org.:
Materials Science & Engineering, Missouri University of Science and Technology, Rolla, MO,U.S.A. Lujan Center, Los Alamos Neutron Science Center, Los Alamos, NM, U.S.A
OSTI Identifier:
1150755
Report Number(s):
KCP-613-9282
DOE Contract Number:  
DE-NA0000622
Resource Type:
Conference
Resource Relation:
Conference: Materials Research Society Conference, MRS sponsored, Boston, MA, November 25-30, 2012,
Country of Publication:
United States
Language:
English

Citation Formats

Everhart, Wesley A., Lee, Jordan D., Broecker, Daniel J., Bartow, John P., McQueen, Jamie M., Switzner, Nathan T., Neidt, Tod M., Sisneros, Thomas A., and Brown, Donald W. Residual Stresses in 21-6-9 Stainless Steel Warm Forgings. United States: N. p., 2012. Web.
Everhart, Wesley A., Lee, Jordan D., Broecker, Daniel J., Bartow, John P., McQueen, Jamie M., Switzner, Nathan T., Neidt, Tod M., Sisneros, Thomas A., & Brown, Donald W. Residual Stresses in 21-6-9 Stainless Steel Warm Forgings. United States.
Everhart, Wesley A., Lee, Jordan D., Broecker, Daniel J., Bartow, John P., McQueen, Jamie M., Switzner, Nathan T., Neidt, Tod M., Sisneros, Thomas A., and Brown, Donald W. Wed . "Residual Stresses in 21-6-9 Stainless Steel Warm Forgings". United States. https://www.osti.gov/servlets/purl/1150755.
@article{osti_1150755,
title = {Residual Stresses in 21-6-9 Stainless Steel Warm Forgings},
author = {Everhart, Wesley A. and Lee, Jordan D. and Broecker, Daniel J. and Bartow, John P. and McQueen, Jamie M. and Switzner, Nathan T. and Neidt, Tod M. and Sisneros, Thomas A. and Brown, Donald W.},
abstractNote = {Forging residual stresses are detrimental to the production and performance of derived machined parts due to machining distortions, corrosion drivers and fatigue crack drivers. Residual strains in a 21-6-9 stainless steel warm High Energy Rate Forging (HERF) were measured via neutron diffraction. The finite element analysis (FEA) method was used to predict the residual stresses that occur during forging and water quenching. The experimentally measured residual strains were used to calibrate simulations of the three-dimensional residual stress state of the forging. ABAQUS simulation tools predicted residual strains that tend to match with experimental results when varying yield strength is considered.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2012},
month = {11}
}

Conference:
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