#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 650C 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= Test650C #Stress_units= mpa #Strain_units= strain #heat 1 2 3 #Sy= 925 avg of 910 827 1038 #Su= 1105 avg 1135 1091 1088 #eu= 0.145 engr.Strain #E= 163000 mpa taken from literature #FractureStrain= 0.261 #from %RA #FractureStress= 0 not reported #monotonic_K= 0 not reported #monotonic_n= 0 not reported #BHN= 331 converted from Su #%RA= 23. % average #StrAmpl 2Nf StsAmpl So PlasStrAmpl EMod #Heat1 0.02435 115 961 0 0.01836 165000 0.01725 230 853 0 0.01249 165000 0.00980 1023 785 0 0.00759 165000 0.00481 53142 585 0 0.00093 165000 0.00355 516280 585 0 0.00000 165000 #Heat2 0.02392 75 1116 0 0.01575 163000 0.01027 1010 952 0 0.00476 163000 0.00954 1210 705 0 0.00266 163000 0.00705 3959 690 0 0.00111 163000 0.00537 10898 660 0 0.00053 163000 0.00490 21497 655 0 0.00038 163000 0.00404 149644 658 0 0.00010 163000 0.00407 356290 663 0 0.00000 163000 #Heat3 0.02431 96 996 0 0.02006 163000 0.02144 200 867 0 0.01730 163000 0.01675 385 785 0 0.01240 163000 0.01465 362 782 0 0.01014 163000 0.01369 459 714 0 0.00983 163000 0.00972 828 711 0 0.00558 163000 0.01007 1876 654 0 0.00505 163000 0.00724 2916 641 0 0.00308 163000 0.00613 3431 602 0 0.00266 163000 0.00477 11201 592 0 0.00177 163000 0.00459 13792 560 0 0.00122 163000 0.00435 29259 542 0 0.00110 163000 0.00360 150000 537 0 0.00019 163000 0.00389 191314 519 0 0.00001 163000 0.00361 289316 588 0 0.00000 163000 0.00370 346562 602 0 0.00000 163000 #runout # #