# All of the data below was derived, but not copied, from the # NASA Tech. Note D-7532, 1974 # 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 # 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 # #Fn= 166 # TI-5AL-2.5SN AS RECEIVED, VACUUM ANNEALED, LONGITUDINAL # NACHTIGALL, NASA TN D-7532, 1974 # MATERIALS DATA BOOK SPECS HARNESS AT 36 RC ? # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= TI-5AL-2.5SN_Titanium #Stress_units= ksi #Strain_units= strain #Su= 125. #Sy= 120. #E= 17300. #%RA= 0.0 #BHN= 0. #NO. FAT. PTS.= 11 #Tot Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. # TI-5AL-2.5 BHN= 0 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 17300. KSI, 119. GPA K' = 155.4 KSI, 1071.MPA #YIELD,0.2%= 120. KSI, 827. MPA N' = 0.0632 #ULT. STRG.= 125. KSI, 862. MPA F. STRG COEF= 174.4 KSI, 1202.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0622 #N = 0.0000 FAT DUCT COEF= 6.2042 #RED. IN AREA = 0.0 F.DUCT EXP, c=-0.9843 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 105. Ksi, 723.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 105. Ksi, 725.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. 6.21432 1 174.4 0. 6.20424 17300. #Fitted_point 3.14580 2 167.0 0. 3.13615 17300. #Fitted_point 1.28180 5 157.8 0. 1.27268 17300. #Fitted_point 0.65206 10 151.1 0. 0.64332 17300. #Fitted_point 0.33356 20 144.7 0. 0.32519 17300. #Fitted_point 0.13987 50 136.7 0. 0.13197 17300. #Fitted_point 0.07428 100 130.9 0. 0.06671 17300. #Fitted_point 0.04097 200 125.4 0. 0.03372 17300. #Fitted_point 0.02053 500 118.5 0. 0.01368 17300. #Fitted_point 0.01348 1000 113.5 0. 0.00692 17300. #Fitted_point 0.00978 2000 108.7 0. 0.00350 17300. #Fitted_point 0.00735 5000 102.7 0. 0.00142 17300. #Fitted_point 0.00640 10000 98.3 0. 0.00072 17300. #Fitted_point 0.00581 20000 94.2 0. 0.00036 17300. #Fitted_point 0.00529 50000 89.0 0. 0.00015 17300. #Fitted_point 0.00500 100000 85.2 0. 0.00007 17300. #Fitted_point 0.00475 200000 81.6 0. 0.00004 17300. #Fitted_point 0.00447 500000 77.1 0. 0.00002 17300. #Fitted_point 0.00428 1000000 73.8 0. 0.00001 17300. #Fitted_point 0.00409 2000000 70.7 0. 0.00000 17300. #Fitted_point 0.00386 5000000 66.8 0. 0.00000 17300. #Fitted_point 0.00370 10000000 64.0 0. 0.00000 17300. #Fitted_point 0.00354 20000000 61.3 0. 0.00000 17300. #Fitted_point 0.00335 50000000 57.9 0. 0.00000 17300. #Fitted_point 0.00320 100000000 55.4 0. 0.00000 17300. #Fitted_point 0.00307 200000000 53.1 0. 0.00000 17300. #Fitted_point 0.00290 500000000 50.2 0. 0.00000 17300. #Fitted_point 0.00278 1000000000 48.0 0. 0.00000 17300. #Fitted_point #