# #Copyright (C) 2013 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 #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!!: This is a fitted curve data file. # Merged file from Refs: # 1. SMITH ET AL, NASA D-1574, 1963, BHN 371/381 # 2. NACHTIGALL, NASA TN-D7532, 1974 # 3. Bergmann, TH Darmstadt, Heft 37 1983 # 4. P.Kurath, PhD Thesis UoIllinois 1984 #FileType= strain_life #DataType= fitted #NAME= TI6AL4V #NAME= mergedFile #NAME= Titanium #Stress_units= ksi #Strain_units= strain #Su= 179. Average of 179 146 122 150 #Sy= 172. Average of 172 138 116 146 #E= 17000. average of 17000 15800 17600 17460 #%RA= 41.01 from Smith et al. #BHN= 376.01 # # Monotonic Props. Cyclic Props. #ELAS. MOD.= 17000. KSI, 117. GPA K' = 263.5 KSI, 1817.MPA #YIELD,0.2%= 172. KSI, 1186. MPA N' = 0.1318 #ULT. STRG.= 179. KSI, 1234. MPA F. STRG COEF= 290.8 KSI, 2005.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.1157 #N = 0.0000 FAT DUCT COEF= 2.1110 #RED. IN AREA = 41.0 F.DUCT EXP, c=-0.8774 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 116. Ksi, 801.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 115. Ksi, 796.MPA #No. fatigue data points= 54 # #NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n' #Total Strain 2Nf Stress Mean Plastic Strain Initial #_ Amp Amp Stress Amp Elastic Mod. 0.7 1 289 0 .683 17000 #Fitted_point Manually 0.07907 50 180.9 0. 0.06843 17000. #Fitted_point 0.04716 100 167.5 0. 0.03731 17000. #Fitted_point 0.02947 200 155.0 0. 0.02035 17000. #Fitted_point 0.01738 500 140.0 0. 0.00914 17000. #Fitted_point 0.01261 1000 129.6 0. 0.00499 17000. #Fitted_point 0.00978 2000 120.0 0. 0.00272 17000. #Fitted_point 0.00758 5000 108.3 0. 0.00121 17000. #Fitted_point 0.00655 10000 100.1 0. 0.00066 17000. #Fitted_point 0.00579 20000 92.5 0. 0.00035 17000. #Fitted_point 0.00505 50000 83.2 0. 0.00015 17000. #Fitted_point 0.00460 100000 76.8 0. 0.00008 17000. #Fitted_point 0.00421 200000 70.9 0. 0.00004 17000. #Fitted_point 0.00377 500000 63.8 0. 0.00002 17000. #Fitted_point 0.00347 1000000 58.8 0. 0.00001 17000. #Fitted_point 0.00320 2000000 54.3 0. 0.00001 17000. #Fitted_point 0.00287 5000000 48.8 0. 0.00000 17000. #Fitted_point 0.00287 10000000 48.8 0. 0.00000 17000. #Fitted_point Manually #