#Copyright (C) 2025 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 # # Inconel IN718 Tested at 538C heats 1,2,3 # Specimens cut from annealed plates. Solution Anneal 940C 2h, air cool, # duplex age 718C 8h furnace cool, to 621C hold 8h, air cool. # Hourglass shape specimens. Diametral tests(?). # Emods not reported, taken from literature. Hardness converted from Su. # StsAmp vs PlasStrAmpl graph missing points. Check the original Ref. !! # Ref.: C.R.Brinkman and G.E.Korth, "Strain Fatigue and Tensile Behavior # Ref.: of Inconel 718 from Room Temperature to 650C," J.of Test. Eval., V2N4 # Ref.: July 1974, pp.249-259. Difficult to correlate Strain-Life-Stress. # Chem.: 3 heats similar but heat3 has only 0.06 Co, See Ref for details. # # #FileType= strain_life #DataType= raw #TIMEcol= 0 #NAME= IN718 #NAME= NickelBased #Name= Test538C #Stress_units= mpa #Strain_units= strain #heat 1 2 3 #Sy= 950 avg of 932 1048 869 #Su= 1195 avg 1244 1216 1125 #eu= 0.203 engr.Strain #E= 171000 mpa taken from literature #FractureStrain= 0.315 #from %RA #FractureStress= 0 not reported #monotonic_K= 0 not reported #monotonic_n= 0 not reported #BHN= 355 converted from Su #%RA= 27. % average #StrAmpl 2Nf StsAmpl So PlasStrAmpl EMod #Heat1 0.02172 300 1011 0 0.01648 171000 0.01443 1106 845 0 0.00883 171000 0.01363 1201 864 0 0.00851 171000 0.00721 6873 772 0 0.00120 171000 0.00586 24680 747 0 0.00112 171000 0.00535 41676 755 0 0.00038 171000 0.00493 237410 739 0 0.00031 171000 0.00441 775140 737 0 0.00011 171000 #Heat2 0.02448 178 1133 0 0.01856 171000 0.00896 1672 875 0 0.00428 171000 0.00753 3183 866 0 0.00248 171000 0.00446 135040 653 0 0.00049 171000 0.00482 205790 786 0 0.00015 171000 #Heat3 0.01230 1103 851 0 0.00722 171000 0.00876 2968 842 0 0.00501 171000 0.00838 3766 774 0 0.00407 171000 0.00588 10059 729 0 0.00186 171000 0.00466 18821 678 0 0.00092 171000 0.00481 36394 715 0 0.00071 171000 0.00505 40336 593 0 0.00002 171000 0.00345 1840440 590 0 0.00000 171000 #runout # #