#Copyright (C) 2001 Fatigue Design + 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 MERCHANTA- #BILITY 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 periodic overload data file, SAE1045 normalized # SAE F.D.+E. Comm. Shaft tests. Phase II Rc=11 # Tested by Ford, JJB in 7/93 and by RAC for F.D.+ E. Comm. # Randomly orientated Pearlite Ferrite, ASTM grain size 9, 20%ferrite # .436C .295Si .024P .016S .792Mn .039Ni .075Cr # Changed to calculated Plastic Strain FAC Feb2009 # #FileType= strain_life #DataType= fitted #NAME= SAE1045_steel #Name= Normalized #NAME= P2saeRc11 #Stress_units= ksi #Strain_units= strain #Su= 101.90 #Sy= 61.60 #E= 29500. #%RA= 48.2 #TrueFractureStrain= 0.653 from %RA value #TrueFractureStress= 222. ksi, from sig=K*(epsf**n) #BHN= 203. #monotonic_n= 0.23750 #monotonic_K= 245.40 #Flat 61.60 # #NOTE!! The Following Points are <b>FITTED DATA:</b> #Stress_Units= KSI #Total Strain 2Nf Stress Mean Plastic Strain Initial ## Amp Amp Stress Amp Elastic Mod. 0.658 1 222. 0. 0.650 29500. #tensile fracture 0.01232 1750 73.8 0. 0.00982 29500. #Fitted_point manual fit 0.00979 2900 70.0 0. 0.00741 29500. #Fitted_point manual fit 0.00732 5900 65.2 0. 0.00511 29500. #Fitted_point manual fit 0.00596 10000 61.9 0. 0.00386 29500. #Fitted_point 0.00490 18100 58.7 0. 0.00291 29500. #Fitted_point 0.00386 36100 54.7 0. 0.00201 29500. #Fitted_point 0.00328 63000 51.9 0. 0.00152 29500. #Fitted_point manual fit 0.00281 111000 49.2 0. 0.00114 29500. #Fitted_point manual fit #Remove these 5 long life fitted CA points ## 0.00235 212000 45.9 0. 0.00079 29500. #Fitted_point manual fit ## 0.00207 398000 43.5 0. 0.00060 29500. #Fitted_point manual fit ## 0.00185 1000000 41.3 0. 0.00045 29500. #Fitted_point manual fit ## 0.00162 5000000 38.5 0. 0.00031 29500. #Fitted_point ## 0.00162 30000000 38.5 0. 0.00031 29500. #Fitted_point # ##Note!! Periodic overload tests. ##FD+E of SAE Phase 2, steel, J.J.F.Bonnen PhD Thesis, U.of Waterloo ##0.47%C 0.80Mn .016P .016S .22si .08Cu .04Ni .05Cr lt.005V ##lt.005Al lt.005Ti .036Cb lt.005Ta lt.005Pb lt.0005B ##Rb=91.5 , Upper/Lower Yield points on monotonic # #This is the "back calculated" strain life data for the overload tests #SCstrAmp SCcalcLife StsAmp So PlsStrAmpl initEmod ## 2Nf ksi ksi 0.00235 194060 40.7 16.8 0.00097 29500 #0.002 221077 38.3 19.3 0.00065 28471 #0.002 310483 40.7 -9.2 0.00065 30080 0.00167 332579 35.4 22.1 0.00047 29500 #0.0015 556549 34.7 -1.3 0.00033 29761 0.00125 791092 30 0 0.00125 29500 #0.00125 623661 30.2 27.3 0.00025 30219 0.001 2430268 26.6 30.9 0.00008 28937 0.0009 4728786 24.2 33.3 0.00007 29229 0.00082 11199077 21.9 35.6 0.00008 29500 0.0008 26901374 22.6 34.9 0.00003 29492 0.0008 93431836 22 34.3 0.00003 28593 #0.00075 139811110 20.9 35.4 0.00000 28020 #0.0007 499040000 20.4 34.6 0.00000 28603 assume runout # #