SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
#Copyright (C) 2011  Fatigue Design and Evaluation Comm.
#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
#
# Note:   Fitted Curve !
# Extruded Aluminum-Silicon Eutectic alloy, extruded 150mm bar
# 17.0Si wt% .30Fe 4.10Cu .23Mn .61Mg
# Heat Treat: 495C-500C  6hrs then Water quenched, 170C for 8hrs
# Sources: The data points were derived from graphs in the paper:
# Y.Murakami, H.Kobayashi, H.Ikeda, R.W.Landgraf, "Low Cycle Fatigue
# Properties of Al-Si Eutectic Alloys," SAE paper 970704, 1997.
# Note: Data may contain errors from digitization process.
#
#FileType= strain_life
#DataType= fitted
#TIMEcol= 0
#NAME=  Al_Si_Eutectic
#NAME=  Aluminum
#NAME=  Extrusion
#Stress_units= mpa
#Strain_units= strain
#Sy=       378. mpa
#Su=       408. mpa
#E=      79400.
#FractureStrain= 0.042
#FractureStress=  423.
#BHN= 156  HV-200g= 164,  HV-3g= 118
#%RA=  3.6
#saedigcurve_v2.2.f starts.
#
# NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n'
#Stress_Units= MPa
# Total Strain   2Nf  Stress  Mean   Plastic Strain   Initial
#    Amp               Amp   Stress      Amp        Elastic Mod.
   0.03647          1   438.8      0.   0.03094     79400. #Fitted_point
   0.00932         20   376.7      0.   0.00458     79400. #Fitted_point
   0.00707         50   359.4      0.   0.00254     79400. #Fitted_point
   0.00598        100   346.5      0.   0.00161     79400. #Fitted_point
   0.00521        200   333.8      0.   0.00101     79400. #Fitted_point
   0.00452        500   316.9      0.   0.00053     79400. #Fitted_point
   0.00414       1000   303.9      0.   0.00031     79400. #Fitted_point
   0.00384       2000   290.6      0.   0.00018     79400. #Fitted_point
   0.00352       5000   273.1      0.   0.00008     79400. #Fitted_point
   0.00332      10000   260.2      0.   0.00004     79400. #Fitted_point
   0.00314      20000   247.7      0.   0.00002     79400. #Fitted_point
   0.00294      50000   232.3      0.   0.00001     79400. #Fitted_point
   0.00279     100000   221.3      0.   0.00001     79400. #Fitted_point
   0.00266     200000   210.9      0.   0.00000     79400. #Fitted_point
   0.00250     500000   198.0      0.   0.00000     79400. #Fitted_point
   0.00238    1000000   188.8      0.   0.00000     79400. #Fitted_point
   0.00227    2000000   180.1      0.   0.00000     79400. #Fitted_point
   0.00213    5000000   169.2      0.   0.00000     79400. #Fitted_point
   0.00203   10000000   161.5      0.   0.00000     79400. #Fitted_point
   0.00194   20000000   154.0      0.   0.00000     79400. #Fitted_point
   0.00182   50000000   144.8      0.   0.00000     79400. #Fitted_point
   0.00174  100000000   138.1      0.   0.00000     79400. #Fitted_point
#
#