# #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 Room Temp test. cut from 25.4mm wrought bar # NOTE: Traditional CoffinManson fit does not work well at short lives. # Solution annealed at 1950F 1hr, aged 1350F 9hr, furnace cooled # to 1200F and held for total age of 19hr # 52.64Ni wt% .36Al .03C 18.59Cr .03Cu 18.94Fe .18Mn 2.96Mo # .007S .35Si .91Ti 4.98Cb+Ta # Ref. A.J.Nachtigall, NASA TN D-7532, 1974 # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= Inconel718 #NAME= NickelBase #Name= RoomTemp. #Strain_units= strain #Stress_units= mpa #Sy= 1110. mpa = 161 ksi #Su= 1304. = 189 ksi #eu= 0 #E= 204100 mpa = 29600. ksi #%RA= 39. % #BHN= 0. not reported #FractureStrain= 0.50 #FractureStress= 0. not reported #monotonic_K= 0 not reported #monotonic_n= 0 not reported # #saedigcurve_v2.2.f starts. #NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n' #TotStrAmpl 2Nf StsAmpl So PlasStrAmpl Init.Modulus 0.50 1 2191. 0. 0.489 204100. #Fitted_point monotonic, Sts from ElasIntercpt 0.03847 200 1332.6 0. 0.03194 204100. #Fitted_point 0.02007 550 1222.7 0. 0.01408 204100. #Fitted_point manually 0.00932 2500 1072.9 0. 0.00406 204100. #Fitted_point manually 0.00658 5000 983.1 0. 0.00177 204100. #Fitted_point 0.00543 10000 919.1 0. 0.00093 204100. #Fitted_point 0.00469 20000 858.1 0. 0.00048 204100. #Fitted_point 0.00403 50000 782.2 0. 0.00020 204100. #Fitted_point 0.00367 100000 728.6 0. 0.00010 204100. #Fitted_point 0.00338 200000 678.7 0. 0.00005 204100. #Fitted_point #Points below are extrapolation beyond actual test data: 0.00305 500000 618.1 0. 0.00002 204100. #Fitted_point 0.00283 1000000 576.1 0. 0.00001 204100. #Fitted_point #