#
# 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= 99 # AM_350 STAINLESS STEEL, SMITH ET AL, NASA TN D-1574, 1963 # HOT ROLLED, PICKLED AND ANNEALED, LONGITUDINAL 19mm diametral Spec. # Seeger: .10%C .75Mn .35Si 16.5Cr 4.25Ni 2.75Mo .10N # BHN NOT KNOWN # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= AM_350 #NAME= AISI_633 #NAME= StainlessSteel #Stress_units= ksi #Strain_units= strain #Su= 190.00 #Sy= 64.00 #E= 27978. #%RA= 52.0 #BHN= 0. # AM_350 AISI_633 BHN= 0 Fn= 99 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 27978. KSI, 193. GPA K' =2308.1 KSI, 15914.MPA #YIELD,0.2%= 64. KSI, 441. MPA N' = 0.4834 #ULT. STRG.= 190. KSI, 1310. MPA F. STRG COEF= 409.4 KSI, 2823.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.1400 #N = 0.0000 FAT DUCT COEF= 0.0279 #RED. IN AREA = 52.0 F.DUCT EXP, c=-0.2896 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 114. Ksi, 789.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 115. Ksi, 794.MPA #No. fatigue data points= 13 # # NOTE!! The Following Points are FITTED DATA: # NOTE!! Basquin+CoffinManson does NOT fit the data. Thus: ##NOTE!! All points fitted by hand FAC Mar5-2009 #Stress_Units= KSI # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. 0.19 1 279. 0. 0.18 27978. #Fitted_point 0.0175 70 238. 0. 0.009 27978. #Fitted_point 0.010 290 205. 0. 0.0030 27978. #Fitted_point 0.0082 460 180. 0. 0.0018 27978. #Fitted_point 0.0035 90000 80. 0. 0.0012 27978. #Fitted_point 0.0025 100000000 58. 0. 0.0008 27978. #Fitted_point #