#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
#
# Aluminum 75S-T6 = AA7075-T6 sheet
# Ref.: H.J.Grover, S.M.Bishop, L.R.Jackson, "Fatigue Strengths of 
# Ref.: Aircraft Materials Axial-Load Fatigue Tests on Unnotched Sheet 
# Ref.: Specimens of 24S-T3 and 75S-T6 Aluminum Alloys and of SAE 4130 
# Ref.: Steel", NACA-TN-2324, March 1951.
# Load control tests with anti-buckling guides. 
# ElectroPolished Spec thick: 0.090 in. Alum,Krouse test machine. 
# Other tests at various R values also in report.
# NOTE!! Strains calcs assume fully elastic behavior.

#FileType= strain_life  #Load control! assume elastic
#DataType= raw
#TIMEcol= 0
#NAME= 75S-T6aluminum 
#NAME= 7075-T6
#Stress_units= mpa
#Strain_units= strain

#Sy=   524 mpa 76 ksi
#Su=   569 mpa 82.5 ksi
#E=   72050 mpa 10450 ksi
#%RA=    0. %  Not reported
#%Elongation= 11.4 %
#TrueFractureStress= 0  Not reported
#TrueFractureStrain= 0  Not reported
#BHN=  150 #converted from Su

## NOTE!! Strains calcs assume fully elastic behavior.
#StrAmpl  2Nf  StsAmpl So PlsStrAmpl  Emod
0.00478    26000  345  0  0  72053
0.00383    90000  276  0  0  72053
0.00383   110800  276  0  0  72053
0.00383   133600  276  0  0  72053
0.00335   270000  241  0  0  72053
0.00335   221200  241  0  0  72053
0.00287   260400  207  0  0  72053
0.00287   526000  207  0  0  72053
0.00287   330000  207  0  0  72053
0.00287   956000  207  0  0  72053
0.00287    298600  207  0  0  72053
0.00287   6274000  207  0  0  72053
0.00263   2410000  190  0  0  72053
0.00239   6642000  172  0  0  72053
0.00239  18995200  172  0  0  72053
0.00230  20800000  165  0  0  72053 #runout
0.00220  20266000  159  0  0  72053 #runout
#