#
# #Copyright (C) 2015 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!: This is a fitted file/curve # Merged files of GGG 60 ASTM 80.55.06 Nodular Iron # Ref.: M. Hueck, W.Schuetz, H. Walter, "Moderne Schwingfestigkeitsnterlage # fuer die Bemessung von Bauteilen aus Sphoeroguss und Temperguss- Teil 1 # ATZ Automobile Zeitschrift 86 1984 7/8 pp.325-331. # Some specimens are Rotating Bending with Kt=1.1 # Ref.2: A.Fatemi, J.Williams,F.Montazersadgh, "Fatigue Performance Evaluation # of Forged Steel versus Ductile Cast Iron Crankshaft: A Comparative Study," # U.of Toledo Report, Aug. 2007. # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= GGG60 #NAME= 80.55.06 #NAME= NodularIron #Stress_units= mpa #Strain_units= strain #Sy= 401 average #Su= 638 average #eu= 0.05 #E= 166000 average #FractureStrain= 0.065 average #FractureStress= 724 average #BHN= 215 ave. #%RA= 6.4 ave. #saedigcurve_v2.2.f starts. # #NOTE!! The Following Points are FITTED DATA:#NOTE!! Fitted Stress computed using Experm. K' and n' #StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod NeuberStressAmpl .07 1 618 0 .06 166000. #Fitted_point monotonic 0.00860 340 507.1 0. 0.00539 166000. #Fitted_point 0.00644 785 486.8 0. 0.00335 166000. #Fitted_point 0.00503 1520 467.1 0. 0.00208 166000. #Fitted_point 0.00388 3460 441.7 0. 0.00109 166000. #Fitted_point 0.00333 6000 422.6 0. 0.00065 166000. #Fitted_point 0.00293 10800 403.5 0. 0.00038 166000. #Fitted_point 0.00257 22600 377.8 0. 0.00018 166000. #Fitted_point 0.00236 50000 358.1 0. 0.00010 166000. #Fitted_point 0.00219 90000 338.8 0. 0.00005 166000. #Fitted_point 0.00201 180000 314.4 0. 0.00002 166000. #Fitted_point 0.00189 400000 297.2 0. 0.00001 166000. #Fitted_point 0.00178 1000000 281.0 0. 0.00001 166000. #Fitted_point 0.00151 6800000 251 0 0 166000. #Fitted_point manually #Not clear if there is a flat fatigue limit. #
#TOTDAM(SWT)= 0.0000000E+00 allowed Repeats= inf nrev= 1