#Copyright (C) 2011 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 # # High purity Iron. Room Temp. Load Control tests. # 0.0075C_wt% .0075N .0025O .0002S .0003Mn # Heated in vacuum at 700C for 3hrs, Cooled at 100C/min # Ref.: S.M.Pickard, F.Guiu, and A.P.Blackie, "Low Cycle Fatigue of # Strain Aging Ferrous Alloys," ASTM STP 942 1988 pp.776-797 # Tests in LOAD control with plastic strains measured. Total strains # computed from stress, Emodulus, and plastic strain # Tensile props. taken from other work on high pure Fe. # Warning!: Data points measured from graphs, some errors possible. # #FileType= strain_life #DataType= raw #TIMEcol= 0 #NAME= PureIron+N #NAME= Vac700C3hrs #NAME= Iron #Stress_units= mpa #E= 210000. #assumed #Sy= 130 # estimated from PlasticStrain ampl vs cycles plot #Su= 230 #Assumed from K.Pohl et al. Not reported in original work #%RA= 0. not reported #BHN= 0. not reported #NO. FAT. PTS.= 8 #Tot Strain 2Nf Stress Mean PlasStrain Initial # Amp Amp Stress Amp Elastic Mod. 0.00324 26772 190 0 0.00234 210000 0.00285 37057 180 0 0.00199 210000 0.00239 61835 165 0 0.00160 210000 0.00175 142668 150 0 0.00104 210000 0.00123 259190 130 0 0.00061 210000 0.00105 489016 125 0 0.00045 210000 0.00085 1166950 120 0 0.00028 210000 0.00061 3880555 115 0 0.00000 210000 #runout # #