# #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 # # 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 #Fn= 525 SAE1045 SHT #NAME= SAE1045_steel #NAME= P2saeRc11 #Stress_units= ksi #Strain_units= strain #Su= 101.90 #Sy= 61.60 #E= 29500. #%RA= 48.2 #BHN= 203. #monotonic_n= 0.23750 #monotonic_K= 245.40 #Flat 61.60 #Tot Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. # Monotonic Props. Cyclic Props. #ELAS. MOD.= 29500. KSI, 203. GPA K' = 176.0 KSI, 1214.MPA #YIELD,0.2%= 62. KSI, 425. MPA N' = 0.1881 #ULT. STRG.= 102. KSI, 703. MPA F. STRG COEF= 125.0 KSI, 862.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0763 #N = 0.0000 FAT DUCT COEF= 0.1620 #RED. IN AREA = 48.2 F.DUCT EXP, c=-0.4057 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 55. Ksi, 377.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 55. Ksi, 377.MPA #No. fatigue data points= 36 # # 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. 0.16620 1 125.0 0. 0.16196 29500. #Fitted_point 0.12627 2 118.5 0. 0.12226 29500. #Fitted_point 0.08804 5 110.5 0. 0.08430 29500. #Fitted_point 0.06718 10 104.8 0. 0.06363 29500. #Fitted_point 0.05140 20 99.4 0. 0.04803 29500. #Fitted_point 0.03626 50 92.7 0. 0.03312 29500. #Fitted_point 0.02798 100 87.9 0. 0.02500 29500. #Fitted_point 0.02170 200 83.4 0. 0.01887 29500. #Fitted_point 0.01565 500 77.8 0. 0.01301 29500. #Fitted_point 0.01232 1000 73.8 0. 0.00982 29500. #Fitted_point 0.00979 2000 70.0 0. 0.00741 29500. #Fitted_point 0.00732 5000 65.2 0. 0.00511 29500. #Fitted_point 0.00596 10000 61.9 0. 0.00386 29500. #Fitted_point 0.00490 20000 58.7 0. 0.00291 29500. #Fitted_point 0.00386 50000 54.7 0. 0.00201 29500. #Fitted_point 0.00328 100000 51.9 0. 0.00152 29500. #Fitted_point 0.00281 200000 49.2 0. 0.00114 29500. #Fitted_point 0.00235 500000 45.9 0. 0.00079 29500. #Fitted_point 0.00207 1000000 43.5 0. 0.00060 29500. #Fitted_point 0.00185 2000000 41.3 0. 0.00045 29500. #Fitted_point 0.00162 5000000 38.5 0. 0.00031 29500. #Fitted_point 0.00162 30000000 38.5 0. 0.00031 29500. #Fitted_point #Data adjusted to create a fatigue limit at 0.00162 strain ampl FAC Feb 2009 #