#SAE Standard Data File format

# #SAE Standard Data File format # #

Pick one: #FDE_plot #FDE_fit # #
The FD+E standard file goes below. Use browser "VIEW Source" file to download: #

#<pre>
#Copyright (C) 2025  Fatigue Design + Evaluation Committee of the SAE
#This data file is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public License as
#published by the Free Software Foundation; either version 2 of the
#license, or (at your option) any later version.
#This data file is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General PUblic License for more details.
#You should have received a copy of the GNU General PUblic License
#along with this program; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
#Try also their web site: http://www.gnu.org/copyleft/gpl.html

# SAE1141 MicroAlloy, As Forged, Bhn= 262
# HotForged at ~1230C, AirCooled, See Ref. for details
# Chem.: 0.41C 1.58Mn .25Si .016P .09S .143Cu .113Cr
# Chem.: .069Ni .027Mo .056V Equaxed perlite and ferrite
# Grain size ASTM 6 to 9, Round samples 6.35mm diam, 19mm gaugeL.
# Ref.: L.Yang, A.Fatemi "Deformation and Fatigue Behavior of 
# Ref.: Vanadium-Based Microalloyed Forging Steel in the
# Ref.: As-Forged and Q+T Conditions, J. Testing and Evaluation,  
# Ref.: V23 n2 March 1995 pp.80-86 # See Ref. for tensile curve.
# Probable Retained Austenite transform during fatigue.
#
#FileType= strain_life
#DataType= raw
#TIMEcol= 0
#NAME=  AISI-1141+V
#NAME= MicroAlloy
#Stress_units= mpa
#Strain_units= strain

#Sy=   524 mpa
#Su=   875
#E=   200000.
#%RA=   40.2 %
#%Elongation= 26.1 %
#Monotonic_K= 1533 mpa
#Monotonic_n= 0.185
#TrueFractureStress= 1124 
#TrueFractureStrain= 0.515
#BHN=  262  
#
#StrAmpl   2Nf  StsAmp   So   PlsStrAmpl   Emod 
0.01550      508 756 -26 0.01172 200000
0.01544      514 740 -23 0.01174 200000
0.01545      628 727 -23 0.01182 200000
0.00758     3590 625 -15 0.00446 200000
0.00501    12770 551 -13 0.00226 200000
0.00500    11430 563 -18 0.00219 200000
0.00299    59170 480 -13 0.00059 200000
0.00249   210150 456 -42 0.00021 200000
0.00249   197250 450 -37 0.00024 200000
0.00197  1078432 389 -90 0.00003 200000
0.00196  1055808 388 -63 0.00002 200000
0.00148 10000000 305 -249 0.00000 200000 #runout
#Below is Stress control test. MeanStrain increase to +0.00142
0.00148 5800000 301 0 0.00000 200000 #runout
#