# #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 Data ! # 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 #