# #Copyright (C) 2012 F.D.E. Committee #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 # # SAE 1141 with Alum, Quenched + Tempered HB=277, Su=925 mpa # Ref.: M.L.Roessle, A.Fatemi, A.K.Khosrovaneh, "Variation in Cyclic Deformation # and Strain-Controlled Fatigue Properties using Different Curve Fitting and # Measurement Techniques," SAE Paper 1999-01-0364, March 1999. # Data digitized from graphs and may contain errors. # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= SAE1141 #NAME= extraAlum #NAME= Steel #Stress_units= mpa #Strain_units= strain #Sy= 814. 0.2pc offset = 118 ksi #Su= 925. =134 ksi #eu= 0 #strain at Su not reported #E= 227000. mpa =32940 ksi #FractureStrain= 0.88 #FractureStress= 1405. #BHN= 277. #%RA= 59. % #saedigcurve_v2.2.f starts. #NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n' #StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod .88 1 1404. 0 .873 227000. #Fitted_point monotonic 0.01535 500 736.5 0. 0.01210 227000. #Fitted_point 0.01168 1000 705.7 0. 0.00858 227000. #Fitted_point 0.00905 2000 676.2 0. 0.00608 227000. #Fitted_point 0.00667 5000 639.1 0. 0.00385 227000. #Fitted_point 0.00543 10000 612.4 0. 0.00273 227000. #Fitted_point 0.00452 20000 586.7 0. 0.00193 227000. #Fitted_point 0.00367 50000 554.4 0. 0.00122 227000. #Fitted_point 0.00320 100000 531.2 0. 0.00086 227000. #Fitted_point 0.00285 200000 508.8 0. 0.00061 227000. #Fitted_point 0.00250 500000 480.7 0. 0.00039 227000. #Fitted_point 0.00230 1000000 460.3 0. 0.00027 227000. #Fitted_point 0.00213 2000000 440.9 0. 0.00019 227000. #Fitted_point 0.00195 5000000 416.3 0. 0.00012 227000. #Fitted_point #