#
#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
#
# NOTE:  Fitted Data !!
# Inconel 718 Tested at 650C  heats 1,2 and 3 combined.
# Specimens from 0.75inch annealed plate
# Solution Anneal 940C 2h, air cool, duplex age 718C 8h furnace cool,
# to 621C hold 8h, air cool.
# Ref.: C.R.Brinkman and G.E.Korth, "Strain Fatigue and Tensile Behavior
# of Inconel 718 from Room Temperature to 650C," J.of Test. Eval., V2N4
# July 1974, pp.249-259.  StsAmp vs PlasStrAmpl graph missing points.
# Data digitized from graphs and may contains errors. Check the
# original Ref.
#
#FileType= strain_life
#DataType= fitted
#TIMEcol= 0
#NAME=  IN718
#Name=  Tmp=650C
#NAME=  NickelBased
#Stress_units= mpa
#Strain_units= strain
#Sy=   910.  0.2pc offset =130 ksi at 650C
#Su=  1100.  = 160 ksi at 650C
#eu=   0.14
#E= 166500. mpa  =24200 ksi average of 3 heats' modulii
#FractureStrain= 0.18
#FractureStress=  1450.
#monotonic_K= 0  not reported
#monotonic_n= 0  not reported
#BHN= 0.
#%RA= 21. %
#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   NeuberStsAmp_mpa
0.18             1    1450       0.   .171       166500. #Tensile Fracture pt.
0.02364        100   893.0      0.   0.01828    166500. #Fitted_point
0.01777        200   855.7      0.   0.01263    166500. #Fitted_point
0.01261        500   808.9      0.   0.00776    166500. #Fitted_point
0.01003       1000   775.3      0.   0.00537    166500. #Fitted_point
0.00819       2000   743.2      0.   0.00372    166500. #Fitted_point
0.00652       4000   703.1      0.   0.00230    166500. #Fitted_point manually
0.00501      10000   647.4      0.   0.00112    166500. #Fitted_point manually
0.00439      30000   613.6      0.   0.00071    166500. #Fitted_point manually
0.00404     100000   589.7      0.   0.00050    166500. #Fitted_point
0.00376     300000   567.0      0.   0.00036    166500. #Fitted_point manually
0.00346     900000   538.7      0.   0.00023    166500. #Fitted_point manually
#Points below are extrapolation. Test data ends at 2Nf= 600K
0.00328    3000000   518.4      0.   0.00016    166500. #Fitted_point manually
#
#