# All of the data below was derived, but not copied, from the NASA Tech. # Note D-1574.The derivations and additions have been made by the members # of the FD+E committee of the SAE. Thus: # # Copyright (C) 1999 Fatigue Design + Evaluation Committee of the SAE. # 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 MERCHANTA- # BILITY 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 # #Fn= 104 # AISI 304 (hard) Extra Low Carbon STAINLESS, COLD DRAWN, # .026 wt% C .45Mn .03P .014S, .40Si 18.7Cr 8.5Ni .02Mo .10Cu # Diametral Specimen tests, LONGITUDINAL to bar # SMITH ET AL, NASA TN D-1574 1963 # # BHN 318/335 # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= AISI_304 #Name= StainlessSteel #Stress_units= ksi #Strain_units= strain #Su= 137.90 #Sy= 107.90 #E= 24990. #%RA= 68.8 #BHN= 327. #NO. FAT. PTS.= 11 #Tot Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. # AISI_304 StainlessS BHN= 327 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 24990. KSI, 172. GPA K' = 329.3 KSI, 2270.MPA #YIELD,0.2%= 108. KSI, 744. MPA N' = 0.1759 #ULT. STRG.= 138. KSI, 951. MPA F. STRG COEF= 296.8 KSI, 2047.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.1117 #N = 0.0000 FAT DUCT COEF= 0.5544 #RED. IN AREA = 68.8 F.DUCT EXP, c=-0.6350 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 110. Ksi, 761.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 111. Ksi, 768.MPA #No. fatigue data points= 11 # # NOTE!! The Following Points are <b>FITTED DATA:</b> #UNITS= KSI #Stress_Units= KSI # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. 0.56629 1 296.8 0. 0.55441 24990. #Fitted_point 0.36799 2 274.7 0. 0.35700 24990. #Fitted_point 0.20943 5 248.0 0. 0.19951 24990. #Fitted_point 0.13765 10 229.5 0. 0.12847 24990. #Fitted_point 0.09122 20 212.4 0. 0.08272 24990. #Fitted_point 0.05390 50 191.8 0. 0.04623 24990. #Fitted_point 0.03687 100 177.5 0. 0.02977 24990. #Fitted_point 0.02574 200 164.3 0. 0.01917 24990. #Fitted_point 0.01665 500 148.3 0. 0.01071 24990. #Fitted_point 0.01239 1000 137.2 0. 0.00690 24990. #Fitted_point 0.00952 2000 127.0 0. 0.00444 24990. #Fitted_point 0.00707 5000 114.7 0. 0.00248 24990. #Fitted_point 0.00584 10000 106.1 0. 0.00160 24990. #Fitted_point 0.00496 20000 98.2 0. 0.00103 24990. #Fitted_point 0.00412 50000 88.7 0. 0.00058 24990. #Fitted_point 0.00365 100000 82.1 0. 0.00037 24990. #Fitted_point 0.00328 200000 75.9 0. 0.00024 24990. #Fitted_point 0.00288 500000 68.6 0. 0.00013 24990. #Fitted_point 0.00262 1000000 63.4 0. 0.00009 24990. #Fitted_point 0.00240 2000000 58.7 0. 0.00006 24990. #Fitted_point 0.00215 5000000 53.0 0. 0.00003 24990. #Fitted_point 0.00198 10000000 49.1 0. 0.00002 24990. #Fitted_point 0.00183 20000000 45.4 0. 0.00001 24990. #Fitted_point 0.00165 50000000 41.0 0. 0.00001 24990. #Fitted_point 0.00152 100000000 37.9 0. 0.00000 24990. #Fitted_point 0.00141 200000000 35.1 0. 0.00000 24990. #Fitted_point 0.00127 500000000 31.7 0. 0.00000 24990. #Fitted_point 0.00117 1000000000 29.3 0. 0.00000 24990. #Fitted_point #