#Copyright (C) 2010 Fatigue Design + Evaluation Comm. #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 # # AZ91-T4 Magnesium Pressure die cast and Sol. annealed at 413 °C for 16 hours. # Warning!: Tests initially overstrained due to load control testing. # Material exhibits very substantial cyclic hardening. # AZ 91 Chem.: Al Zn Cu Mn Si Fe Ni (in wt. %). # This Study: 8.2 0.72 0.00 0.22 0.00 0.005 0.00 # Standard 8.1-9.7 0.35-1 <0.35 0.13-0.35 <0.5 <0.005 <0.03 # Ref.: Aneta Nemcova, J.Zapletal and T.Podrabsky, "Fatigue Behaviour of AZ91 # Magnesium Alloy," Trans of the VSB Tech Univ of Ostrava, Mech Series # No.3, 2009, vol. LV article No. 1732. # Note: data digitized from printed paper graphs. Some errors possible. # #FileType= strain_life #DataType= raw #TIMEcol= 0 #NAME= AZ91-T4 #Name= Magnesium #Name= PressureDieCast #Stress_units= mpa #Strain_units= strain #Su= 235. #mpa #Sy= 95. #E= 43100. #Reported in Ref. ##TrueFractureStrain= 0.066 #TrueFractureStress= 198. #mpa #%RA= 10.4 #BHN= 0. #NO. FAT. PTS.= 11 #Tot Strain 2Nf Stress Mean Plastic Strain Initial #_ Amp Amp Stress Amp Elastic Mod. # #.0125 396 180. 0. .00745 43100 #Removed first point above. Possible cyclic buckling .00835 2038 170. 0. .00352 43100 .00672 2490 160. 0. .00249 43100 .00463 5390 139. 0. .00138 43100 .00319 21006 120. 0. .00049 43100 .00227 51844 100. 0. .00011 43100 .00207 100218 90. 0. .00002 43100 .00177 354148 80. 0. .00001 43100. #Last four below at higher frequency .00162 162842 70. 0 .0 43100 .00162 193470 70. 0 .0 43100 .00139 15649420 60. 0 .0 43100 .00116 20826600 50. 0 .0 43100 # #