# #Copyright (C) 2011 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 # # NOTE: Fitted Data! # SAE1120 BS4360 43A Structural Steel. 10x150mm hot rolled Plate. # Also similar to ASTM A36 # Measured: 0.20wt%C .71Mn 0.05Si .038S .020P # The standard strain-life fitting proceedure did not work well for this # data set. A manual fit was made that uses more of the origial raw data points. # Ref.: Test data by I.F.C.Smith, "Fatigue Crack Growth in a Fillet Weled Joint," # PhD thesis Cambridge Univ., 1982. # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= SAE1120 #NAME= BS4360_43A #NAME= HotRolled #NAME= Steel #Stress_units= mpa #Strain_units= strain #Sy= 254. #Su= 430. #E= 195000. #FractureStrain= 0.645 #FractureStress= 712. #BHN= 110. #approx. Measured: Vickers = 137 #%RA= 64.5 % Not reported #saedigcurve_v2.2.f starts. # #NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n' #Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. .645 1 712. 0. .641 19500. #Fitted_point monotonic 0.00921 2000 355.4 0. 0.00739 195000. #Fitted_point 0.00698 5000 322.0 0. 0.00533 195000. #Fitted_point 0.00569 10000 298.8 0. 0.00416 195000. #Fitted_point 0.00467 20000 277.3 0. 0.00325 195000. #Fitted_point 0.00291 75000 240 0 0.00168 195000 #Fitted_point manually 0.00175 361000 180 0 0.00083 195000 #Fitted_point manually 0.00145 957000 165 0 0.00061 195000 #Fitted_point manually 0.00136 1739000 157 0 0.00056 195000 #Fitted_point manually 0.00125 13827000 151 0 0.00047 195000 #Fitted_point manually 0.00125 50000000 151 0 0.00047 195000 #Fitted_point manually # #