#Copyright (C) 1999 University of Waterloo and F.A. Conle. 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 # SAE10B22 quenched + temp to HRc=21. The 1/2in # plate was retempered at 1020F for 3hrs to avg. core hardness # of HRc=21. Material supplied by Caterpillar Tractor Co. # Cylindrical spec., 0.3in GL, parallel to roll dir., # ground + polished after machining. # SAE10B20 chemistry 0.20C 1.32Mn .009P .010S .27Si .01Ni # .02Cr .01Cu .05Al .050Ti 0.00096Boron # Sample with 425 life is a diametral test. # Ref.: F.A.Conle, "A Computer Simulation Assisted Statistical # Approach to the Problem of Random Fatigue," MSc Thesis # Univ. of Waterloo, March 1974 #Fn= 512 # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= UoWaterloo #NAME= SAE10B20_Steel #Stress_units= ksi #Strain_units= strain #Su= 121.00 #Sy= 110.00 #E= 30000. #%RA= 0.0 #BHN= 231. #No. fatigue data points= 12 # ## NOTE!! The Following Points are <b>FITTED DATA:</b> #UNITS= KSI #Stress_Units= KSI ## Total Strain 2Nf Stress Mean Plastic Strain Initial ## Amp Amp Stress Amp Elastic Mod. 2.09481 1 123.2 0. 2.09070 30000. #Fitted_point 1.25144 2 119.5 0. 1.24746 30000. #Fitted_point 0.63415 5 114.8 0. 0.63032 30000. #Fitted_point 0.37981 10 111.4 0. 0.37610 30000. #Fitted_point 0.22801 20 108.1 0. 0.22441 30000. #Fitted_point 0.11685 50 103.8 0. 0.11339 30000. #Fitted_point 0.07101 100 100.7 0. 0.06766 30000. #Fitted_point 0.04363 200 97.7 0. 0.04037 30000. #Fitted_point 0.02353 500 93.9 0. 0.02040 30000. #Fitted_point 0.01521 1000 91.1 0. 0.01217 30000. #Fitted_point 0.01021 2000 88.4 0. 0.00726 30000. #Fitted_point 0.00650 5000 84.9 0. 0.00367 30000. #Fitted_point 0.00494 10000 82.4 0. 0.00219 30000. #Fitted_point 0.00397 20000 79.9 0. 0.00131 30000. #Fitted_point 0.00322 50000 76.8 0. 0.00066 30000. #Fitted_point 0.00288 100000 74.5 0. 0.00039 30000. #Fitted_point 0.00264 200000 72.3 0. 0.00023 30000. #Fitted_point 0.00243 500000 69.5 0. 0.00012 30000. #Fitted_point 0.00232 1000000 67.4 0. 0.00007 30000. #Fitted_point 0.00222 2000000 65.4 0. 0.00004 30000. #Fitted_point 0.00212 5000000 62.8 0. 0.00002 30000. #Fitted_point 0.00204 10000000 60.9 0. 0.00001 30000. #Fitted_point 0.00198 20000000 59.1 0. 0.00001 30000. #Fitted_point 0.00190 50000000 56.8 0. 0.00000 30000. #Fitted_point 0.00184 100000000 55.1 0. 0.00000 30000. #Fitted_point 0.00178 200000000 53.5 0. 0.00000 30000. #Fitted_point 0.00171 500000000 51.4 0. 0.00000 30000. #Fitted_point 0.00166 1000000000 49.8 0. 0.00000 30000. #Fitted_point #