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#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 # # Merged files of GGG 60 ASTM 80.55.06 Nodular Irong # Some specimens are Rotating Bending with Kt=1.1 # 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. # 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. # Data digitized from graphs and may contain errors. # #FileType= strain_life #DataType= raw #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. ##Ref.1 Specifics: ##Sy= 390. 0.2pc offset = 50 ksi ##Su= 618. ##eu= 0 #strain at Su not reported ##E= 158000. mpa =22930 ksi reported for axial samples ##Emod for bend samples was reported as 175000 mpa. Using axial ##FractureStrain= 0.07 (from strain-life plot) ##FractureStress= 790. not reported. Used elasStrain intercept = .0050 ##monotonic_K= 0 not reported ##monotonic_n= 0 not reported ##BHN= 208. ##%RA= 6.7 % not reported. From frac.strain #StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod NeuberStressAmpl 0.00791 631 511 0 0.00474 158000 799 0.00604 1211 469 0 0.00304 158000 669 0.00492 1374 452 0 0.00213 158000 593 0.00400 5292 453 0 0.00110 158000 535 0.00352 9810 442 0 0.00074 158000 495 0.00312 20186 420 0 0.00044 158000 455 0.00256 41224 371 0 0.00023 158000 387 #Specimens below were Rotating Bending, Kt=1.1 #Assumed plastic strains are Zero 0.00227 209338 358 0 0 158000 358 0.00240 213456 379 0 0 158000 379 0.00202 418092 320 0 0 158000 320 0.00215 426346 339 0 0 158000 339 0.00182 1094728 287 0 0 158000 287 0.00192 1544352 303 0 0 158000 303 0.00162 1623394 256 0 0 158000 256 0.00172 1716264 272 0 0 158000 272 0.00162 2052480 256 0 0 158000 256 0.00153 3160060 241 0 0 158000 241 0.00171 3795800 271 0 0 158000 271 0.00172 4268600 272 0 0 158000 272 0.00162 5059000 256 0 0 158000 256 0.00145 5934080 229 0 0 158000 229 #runout 0.00153 6104900 241 0 0 158000 241 #runout 0.00162 6114120 256 0 0 158000 256 #runout # ## Ductile Cast Iron Approx.: 80-55-06 GGG-60, BHN= 222 ## 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. ## Data digitized from graphs and may contain slight errors. ##FileType= strain_life ##DataType= raw ##NAME= Ductile ##NAME= CastIron ##Name= _80-55-06 ##Stress_units= mpa ##Strain_units= strain ##Sy= 412. mpa = 60 ksi ##Su= 658. mpa = 95ksi ##eu= 0.05 #strain at Su ##E= 174000. # ##FractureStrain= 0.06 # not reported ##FractureStress= 658. # mpa = 95 ksi ##monotonic_K= 1199 ##monotonic_n= 0.183 ##BHN= 222. # reported as HRB=97 ##%RA= 6 % ##StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod NeuberStsAmpl #0.01965 28 671 0 0.01579 174000 1514 # buckled 0.00987 154 589 0 0.00649 174000 1006 0.00989 182 592 0 0.00649 174000 1009 0.00486 1184 489 0 0.00206 174000 643 0.00353 2366 470 0 0.00082 174000 537 0.00252 11720 403 0 0.00021 174000 420 0.00252 33583 404 0 0.00020 174000 421 0.00194 91514 338 0 0 174000 338 0.00190 116020 330 0 0 174000 330 0.00163 292585 284 0 0 174000 284 0.00162 648028 281 0 0 174000 281 0.00163 1.81998e+06 284 0 0 174000 284 0.00137 9.92631e+06 238 0 0 174000 238 #runout 0.00137 1.05332e+07 238 0 0 174000 238 #runout # #