# #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 ! # Aluminum-Silicon Eutectic alloy, Extruded 200mm bar # 11.3Si wt% .23Fe 4.20Cu .25Mn .61Mg Similar to ASM A390 # 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= Extruded #NAME= A390 #Stress_units= mpa #Strain_units= strain #Sy= 396. mpa #Su= 456. mpa #E= 77300. #FractureStrain= 0.172 #FractureStress= 508. #BHN= 156 HV-200g= 161 HV-3g= 119 #%RA= 15.1 # 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. 0.18301 1 550.0 0. 0.17590 77300. #Fitted_point 0.00887 300 401.8 0. 0.00367 77300. #Fitted_point manually 0.00581 1500 364.4 0. 0.00110 77300. #Fitted_point manually 0.00516 2000 348.8 0. 0.00064 77300. #Fitted_point 0.00456 5000 328.6 0. 0.00031 77300. #Fitted_point 0.00423 10000 313.6 0. 0.00017 77300. #Fitted_point 0.00368 20000 280.9 0. 0.00004 77300. #Fitted_point 0.00349 80000 267.8 0. 0.00002 77300. #Fitted_point manually 0.00311 500000 240.1 0. 0.00001 77300. #Fitted_point 0.00297 1000000 229.1 0. 0.00000 77300. #Fitted_point 0.00254 10000000 196.4 0. 0.00000 77300. #Fitted_point 0.00243 20000000 187.5 0. 0.00000 77300. #Fitted_point 0.00228 50000000 176.4 0. 0.00000 77300. #Fitted_point 0.00218 100000000 168.5 0. 0.00000 77300. #Fitted_point 0.00188 497346500 147 0 0.00000 77300 #testdata point # #