# Copyright (C) 2000 Fatigue Design & Evaluation Comm. of SAE # 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 # #Ford= 159 SHR # AISI 1015 LOW CARBON Steel, NORMALIZED, BAR # Axial and Diametral Specimens longitudinal to bar, # Tested by S.Keshevan, PHD, WATERLOO, 1967 # BHN 80 # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= SAE1015 #UNITS= KSI #Stress_units= ksi #Su= 60.20 #Sy= 33.00 #E= 29979. #%RA= 68.0 #BHN= 80. #NO. FAT. PTS.= 31 #Tot Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. # # SAE1015 BHN= 0. Fn= 159 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 29979. KSI, 207. GPA K' = 137.1 KSI, 945.MPA #YIELD,0.2%= 33. KSI, 228. MPA N' = 0.2125 #ULT. STRG.= 60. KSI, 415. MPA F. STRG COEF= 128.2 KSI, 884.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.1235 #N = 0.0000 FAT DUCT COEF= 0.7290 #RED. IN AREA = 68.0 F.DUCT EXP, c=-0.5814 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 37. Ksi, 252.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 36. Ksi, 248.MPA #No. fatigue data points= 31 # # NOTE!!! The Following Points are FITTED DATA: #UNITS= KSI #Stress_Units= KSI # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. 0.73331 1 128.2 0. 0.72904 29979. #Fitted_point 0.49116 2 117.7 0. 0.48723 29979. #Fitted_point 0.28952 5 105.1 0. 0.28601 29979. #Fitted_point 0.19437 10 96.5 0. 0.19115 29979. #Fitted_point 0.13070 20 88.6 0. 0.12775 29979. #Fitted_point 0.07763 50 79.1 0. 0.07499 29979. #Fitted_point 0.05254 100 72.6 0. 0.05012 29979. #Fitted_point 0.03572 200 66.6 0. 0.03350 29979. #Fitted_point 0.02165 500 59.5 0. 0.01966 29979. #Fitted_point 0.01496 1000 54.6 0. 0.01314 29979. #Fitted_point 0.01045 2000 50.1 0. 0.00878 29979. #Fitted_point 0.00665 5000 44.8 0. 0.00516 29979. #Fitted_point 0.00482 10000 41.1 0. 0.00345 29979. #Fitted_point 0.00356 20000 37.7 0. 0.00230 29979. #Fitted_point 0.00248 50000 33.7 0. 0.00135 29979. #Fitted_point 0.00194 100000 30.9 0. 0.00090 29979. #Fitted_point 0.00155 200000 28.4 0. 0.00060 29979. #Fitted_point 0.00120 500000 25.4 0. 0.00035 29979. #Fitted_point 0.00101 1000000 23.3 0. 0.00024 29979. #Fitted_point 0.00087 2000000 21.4 0. 0.00016 29979. #Fitted_point 0.00073 5000000 19.1 0. 0.00009 29979. #Fitted_point 0.00065 10000000 17.5 0. 0.00006 29979. #Fitted_point 0.00058 20000000 16.1 0. 0.00004 29979. #Fitted_point 0.00050 50000000 14.4 0. 0.00002 29979. #Fitted_point 0.00046 100000000 13.2 0. 0.00002 29979. #Fitted_point