#Copyright (C) 2011 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 # # Note: Periodic Overload Data ! # Cast Aluminum 319, Cast with High Gas Porosity, then # Hipped (Hot IsoStatic Pressed) # 5.9%wt Si, 3.4Cu 0.07Cr .38Mn .25Mg .91Fe .07Ni # Tests with Strain ampl. less than 0.00164 are periodic overload test # Sources: The data points were digitized from graphs in the papers: # A.A.Dabayeh, et al, "Fatigue of cast aluminum alloys under constant and # variable-amplitude loading," Int.J.Fat. V18 N2 pp.95-104 1996. # A.A.Dabayeh, et al, "An experimental study of the effect of a flaw at a # notch root on the fatigue life of cast Al 319," Int.J.Fat. V20 N7 # pp.517-530 1998. # Note: Data may contain errors from digitization process. # #FileType= strain_life #DataType= raw #TIMEcol= 0 #NAME= 319 #NAME= CastAluminum #NAME= HiGasHipped #Stress_units= mpa #Strain_units= strain #Su= 162. mpa #eu= .0165 #Sy= 232. mpa #E= 76650. #FractureStrain= 0.0165 #FractureStress= 232. #BHN= 0. #digitzation file alum319hip-str-life-ca_2.csv #digitzation file alum319hip-str-life-pol_2.csv # #StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod NeuberRgksi 0.00407 168 227 0 .00111 76650 77.2 0.00304 4809 192 0 .00053 76650 61.4 0.00244 11527 172 0 .00020 76650 52.1 0.00204 26101 159 0 .0 76650 45.8 0.00171 64112 142 0 .0 76650 39.6 0.00164 255272 130 0 .0 76650 37.1 #Above are constant amplitude tests #Below are periodic overload tests 0.00120 43315 92.1 0 .00000 76650 26.7 0.00079 250016 60.3 0 .00000 76650 17.5 0.00090 382018 68.9 0 .00000 76650 20.0 0.00069 618404 52.8 0 .00000 76650 15.3 0.00050 717110 38.2 0 .00000 76650 11.1 0.00044 1308146 34.1 0 .00000 76650 9.9 0.00040 3175780 30.3 0 .00000 76650 8.8 0.00034 4804180 26.3 0 .00000 76650 7.6 0.00027 6610840 20.4 0 .00000 76650 5.9 0.00029 12096440 22.5 0 .00000 76650 6.5 0.00025 17882400 19.1 0 .00000 76650 5.5 0.00022 21192200 16.8 0 .00000 76650 4.9 0.00020 32170400 15.1 0 .00000 76650 4.4 # #