#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
#
# Brass Alloy-C21000 Gilding 95%, HardTemper Su=386mpa=56ksi
# Chem.: wt% 95.Cu 5.Zn nominal, 
# Hard temper= 3 Roll+Anneal+finalRoll to 0.040inch thick
# Reversed cantilever bend test, load control, multi-spec Scovill mach.
# WARNING!!: Assume fully elastic behavior, Emod from copper.org.
# Ref.: W.D.France, D.E.Trout, J.A.Mulholland, "Fatigue Characteristics 
# Ref.: of Five Copper-Base Strip Alloys Commonly Used for Spring 
# Ref.: Applications", ASTM J.of Materials, V4 N3 1969, pp.633-646.
# More info in paper and at https://alloys.copper.org
# Data digitized from plots may contain errors.

#FileType= strain_life  #Load control! assume elastic
#DataType= raw
#TIMEcol= 0
#NAME= GildingBrass95pc
#NAME= HardTemper 
#NAME= Alloy-C21000
#Stress_units= mpa
#Strain_units= strain

#Sy= 385 mpa from literature =56ksi
#Su= 386 mpa 
#eu= 0   #Engr. strain at Su Not reported
#E=  117200.  #From https://alloys.copper.org
#%RA=  0 % # Not reported
#%Elongation= 5 %  2in
#TrueFractureStress= 0  Not reported
#TrueFractureStrain= 0
#BHN=  0  #not reported

#StrAmpl 2Nf  StsAmpl So PlsStrAmpl  Emod
0.00208   234720  244  0  0  117200
0.00209   280040  245  0  0  117200
0.00170   607500  199  0  0  117200
0.00170   662300  199  0  0  117200
0.00169   751200  198  0  0  117200
0.00152   1255940  178  0  0  117200
0.00153   1369540  179  0  0  117200
0.00137   2011800  160  0  0  117200
0.00136   2989200  160  0  0  117200
0.00136   3390400  159  0  0  117200
0.00120   8395800  140  0  0  117200
0.00116  10115000  136  0  0  117200
0.00119  11115600  139  0  0  117200
0.00115  14136000  135  0  0  117200
0.00105  43516000  123  0  0  117200
0.00104  71254000  122  0  0  117200
0.00101 199420000  118  0  0  117200
0.00105 200000000  123  0  0  117200 #runout
0.00096 200000000  113  0  0  117200 #runout
#