#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 Tests! # Cast Aluminum 319, Low Gas Porosity (typical good casting practice) # Periodic overload results at Strain Ampl less than 0.0023 # 5.9%wt Si, 3.4Cu 0.07Cr .38Mn .25Mg .91Fe .07Ni # 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= LowGasPorosity #Stress_units= mpa #Strain_units= strain #Su= 149. mpa #eu= .0104 #Sy= 198. mpa #E= 69170. #FractureStrain= 0.0104 #FractureStress= 198. #BHN= 0. #digitzation file alum319-5001-LG-str-life-ca.csv #StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod NeuberRgksi 0.00507 16 343 0 .00012 69170 100.7 0.00510 40 344 0 .00012 69170 101.2 0.00301 1023 203 0 .00007 69170 59.6 0.00231 11667 156 0 .00005 69170 45.8 #Above are Constant amplitude tests. #Below are Periodic overload tests. 0.00204 31546 138 0 .00005 69170 40.5 0.00206 43169 139 0 .00005 69170 40.8 0.00096 83170 65 0 .00002 69170 19.0 0.00069 90827 47 0 .00002 69170 13.7 0.00049 253910 33 0 .00000 69170 9.7 0.00034 1265648 23 0 .00000 69170 6.8 0.00027 2298360 18 0 .00000 69170 5.3 0.00024 3991420 16 0 .00000 69170 4.8 0.00030 4011700 20 0 .00000 69170 5.9 0.00024 4395480 16 0 .00000 69170 4.8 0.00027 5095040 18 0 .00000 69170 5.4 0.00029 10519960 20 0 .00000 69170 5.8 0.00025 23781000 17 0 .00000 69170 4.9 0.00022 51293000 15 0 .00000 69170 4.4 # #