# #Copyright (C) 2014 Fatigue Design+Evaluation 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!!: Data are Estimated Periodic Overload Curve # TT_StE-32 Steel DIN 1.0851 Radiused specimen. # Unable to find chemistry or equivalent spec. for this steel. # StE implies structural steel with strength spec. TT may be for pipe steel. # "32" probably means yield stresss .ge. 320 mpa. # Ref.: P.Heuler and T.Seeger, "Rechnerische und experimentelle Lebensdauer- # vorhersage am Beispiel eines geschweissten Bauteils," Konstruktion 35 1983 # Heft 1, pp.21-26. # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= TT_StE-32 #NAME= Structural #NAME= Steel #Stress_units= mpa #Strain_units= strain #Sy= 375 mpa 0.2pc offset #Su= 558 mpa #eu= 0 #strain at Su not reported #E= 209000 mpa #FractureStrain= 0. not reported #FractureStress= 0. not reported #monotonic_K= 0 not reported #monotonic_n= 0 not reported #BHN= 0. not reported #%RA= 0. % not reported #StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod NeuberStressAmpl # TT_StE-32 Structural BHN= 0 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 30313. KSI, 209. GPA K' = 136.1 KSI, 939.MPA #YIELD,0.2%= 54. KSI, 375. MPA N' = 0.1518 #ULT. STRG.= 81. KSI, 558. MPA F. STRG COEF= 108.3 KSI, 747.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0700 #N = 0.0000 FAT DUCT COEF= 0.2220 #RED. IN AREA = 0.0 F.DUCT EXP, c=-0.4608 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 53. Ksi, 365.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 53. Ksi, 366.MPA #No. fatigue data points= 19 # # NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n' #Stress_Units= MPa # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. 0.22559 1 753.0 0. 0.22199 209000. #Fitted_point 0.16472 2 717.0 0. 0.16129 209000. #Fitted_point 0.10895 5 672.1 0. 0.10573 209000. #Fitted_point 0.07988 10 639.9 0. 0.07682 209000. #Fitted_point 0.05873 20 609.3 0. 0.05581 209000. #Fitted_point 0.03932 50 571.1 0. 0.03659 209000. #Fitted_point 0.02918 100 543.8 0. 0.02658 209000. #Fitted_point 0.02179 200 517.8 0. 0.01931 209000. #Fitted_point 0.01498 500 485.4 0. 0.01266 209000. #Fitted_point 0.01141 1000 462.2 0. 0.00920 209000. #Fitted_point 0.00879 2000 440.1 0. 0.00668 209000. #Fitted_point 0.00635 5000 412.5 0. 0.00438 209000. #Fitted_point 0.00506 10000 392.7 0. 0.00318 209000. #Fitted_point 0.00410 20000 374.0 0. 0.00231 209000. #Fitted_point 0.00319 50000 350.5 0. 0.00152 209000. #Fitted_point 0.00270 100000 333.8 0. 0.00110 209000. #Fitted_point #Pts below are manually adjusted for estimated POL effect 0.00232 180000 317.9 0. 0.00080 209000. #Fitted_point POL 0.00195 280000 298.0 0. 0.00053 209000. #Fitted_point POL 0.00174 500000 283.8 0. 0.00038 209000. #Fitted_point POL 0.00157 700000 270.3 0. 0.00028 209000. #Fitted_point POL 0.00075 15000000 155. 0. 0.00002 209000. #Fitted_point POL 0.00075 80000000 155. 0. 0.00002 209000. #Fitted_point POL # #