#
#Copyright (C) 2012  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
#
# GGG60 (DIN)  80.55.06 (ASTM)  Nodular Iron
# Some specimens are Rotating Bending with Kt=1.1
# (as tabulated below)
# Chem. Comp: 3.52C wt% 2.69Si .53Mn .035P .004S .24Cu .060Mb
# 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.
# Also see part 2 in same Journal:  vol.86 1984 9 pp.385-388.
# Data digitized from graphs and may contain errors.
#
#FileType= strain_life
#DataType= fitted
#TIMEcol= 0
#NAME=  GGG60
#NAME=  80.55.06
#NAME=  NodularIron
#Stress_units= mpa
#Strain_units= strain
#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
#saedigcurve_v2.2.f starts.
#
#NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n'
#StrAmpl     2Nf  StsAmpl So  PlasStrAmpl IniMod   NeuberStressAmpl
    .07             1   618        0     .06       158000. #Fitted_point monotonic
   0.00860        500   507.1      0.   0.00539    158000. #Fitted_point
   0.00644       1000   486.8      0.   0.00335    158000. #Fitted_point
   0.00503       2000   467.1      0.   0.00208    158000. #Fitted_point
   0.00388       5000   441.7      0.   0.00109    158000. #Fitted_point
   0.00333      10000   422.6      0.   0.00065    158000. #Fitted_point
   0.00293      20000   403.5      0.   0.00038    158000. #Fitted_point
   0.00257      50000   377.8      0.   0.00018    158000. #Fitted_point
   0.00236     100000   358.1      0.   0.00010    158000. #Fitted_point
   0.00219     200000   338.8      0.   0.00005    158000. #Fitted_point
   0.00201     500000   314.4      0.   0.00002    158000. #Fitted_point
   0.00189    1000000   297.2      0.   0.00001    158000. #Fitted_point
   0.00178    2000000   281.0      0.   0.00001    158000. #Fitted_point
#Not clear if there is a flat fatigue limit.
#
#