#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 # # Grey Iron Note: LOAD CONTROL Tests! # 3.30C wt% 2.20Si .44Mn .40Cu # Ref.: J.Fash and D.F.Socie, "Fatigue behaviour and mean effects in grey # cast iron," Int.J.Fatigue July 1982 pp.137-142. # It is strongly recommended that in order to understand this work # the readers refer to the original paper listed above. # Data digitized from graphs and may contain errors. # # Note: tests with mean stress are commented out in the list # below with a '#". Remove the # to activate lines. # Note: Modulus used is average of tensile modulus and comp. modulus # Note: "Plastic Strain" doesn't have much meaning for Grey Iron. # #FileType= strain_life #DataType= raw #TIMEcol= 0 #NAME= GreyIron #NAME= CastIron #Stress_units= mpa #Strain_units= strain #Sy= 185. 0.2pc offset = 26.9 ksi #Su= 228. #eu= 0.0122 #E= 96000. mpa =13930 ksi #FractureStrain= 0.0122 #FractureStress= 228. (same as ultimate) #monotonic_K= 0 not reported #monotonic_n= 0 not reported #BHN= 180. #%RA= 1.2 % #StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod NeuberEqiuvStressAmpl 0.00292 504 159 0 0.00127 96000 211 0.00258 1057 139 0 0.00113 96000 186 0.00259 1531 139 0 0.00114 96000 186 0.00196 4906 119 0 0.00072 96000 150 0.00197 6870 119 0 0.00073 96000 150 0.00196 9882 119 0 0.00072 96000 150 0.00155 16709 99 0 0.00053 96000 121 0.00155 32103 99 0 0.00051 96000 121 0.00155 48086 99 0 0.00053 96000 121 0.00133 56507 90 0 0.00039 96000 107 0.00132 77041 90 0 0.00039 96000 107 0.00110 133709 85 0 0.00022 96000 95 0.00110 220072 85 0 0.00022 96000 95 0.0008333 902106 80 0 0.00000 96000 80 #Points below have substantial mean stress! #If you wish to activate them, remove the # character #_ sqrt(Smax*StrAmp*E) #0.00176 1776 119 30 0.00052 96000 159 #0.00195 2093 99 60 0.00076 84000 161 #0.00133 6298 99 30 0.00030 96000 128 #0.00095 55390 84 30 0.00007 96000 102 # #