#
# # All of the data below was derived, but not copied, from the NASA Tech. # Note D-7532.The derivations and additions have been made by the members # of the FD&E committee of the SAE. Thus: # # Copyright (C) 2003 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 # # AA 2014-T6 ALUMINUM, LONGITUDINAL # NACHTIGALL, NASA TN D-7532,FEB74 # ASSUMED BHN 135 # #FileType= strain_life #DataType= fitted #Fn= 160 #TIMEcol= 0 #NAME= Aluminum #NAME= AA2014-T6 #Stress_units= ksi #Strain_units= strain #Su= 77.50 #ksi #Sy= 70.40 #ksi #E= 10791. #ksi #%RA= 0.0 #BHN= 135. #NO. FAT. PTS.= 9 #Tot Strain 2Nf Stress Mean Pl. Strain Initial # Amp Amp Stress Amp Elastic Mod. # Aluminum AA2014-T6 BHN= 135 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 10791. KSI, 74. GPA K' = 146.4 KSI, 1010.MPA #YIELD,0.2%= 70. KSI, 485. MPA N' = 0.1266 #ULT. STRG.= 78. KSI, 534. MPA F. STRG COEF= 128.5 KSI, 886.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0921 #N = 0.0000 FAT DUCT COEF= 0.3559 #RED. IN AREA = 0.0 F.DUCT EXP, c=-0.7274 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 67. Ksi, 460.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 74. Ksi, 512.MPA #No. fatigue data points= 9 # # NOTE!! The Following Points are FITTED DATA: #UNITS= KSI #Stress_Units= KSI # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. 0.36783 1 128.5 0. 0.35593 10791. #Fitted_point 0.22614 2 120.5 0. 0.21497 10791. #Fitted_point 0.12065 5 110.8 0. 0.11039 10791. #Fitted_point 0.07630 10 103.9 0. 0.06667 10791. #Fitted_point 0.04930 20 97.5 0. 0.04027 10791. #Fitted_point 0.02898 50 89.6 0. 0.02068 10791. #Fitted_point 0.02028 100 84.1 0. 0.01249 10791. #Fitted_point 0.01485 200 78.9 0. 0.00754 10791. #Fitted_point 0.01059 500 72.5 0. 0.00387 10791. #Fitted_point 0.00864 1000 68.0 0. 0.00234 10791. #Fitted_point 0.00732 2000 63.8 0. 0.00141 10791. #Fitted_point 0.00616 5000 58.6 0. 0.00073 10791. #Fitted_point 0.00553 10000 55.0 0. 0.00044 10791. #Fitted_point 0.00505 20000 51.6 0. 0.00026 10791. #Fitted_point 0.00453 50000 47.4 0. 0.00014 10791. #Fitted_point 0.00420 100000 44.5 0. 0.00008 10791. #Fitted_point 0.00392 200000 41.7 0. 0.00005 10791. #Fitted_point 0.00358 500000 38.4 0. 0.00003 10791. #Fitted_point 0.00335 1000000 36.0 0. 0.00002 10791. #Fitted_point 0.00314 2000000 33.8 0. 0.00001 10791. #Fitted_point 0.00288 5000000 31.0 0. 0.00000 10791. #Fitted_point 0.00270 10000000 29.1 0. 0.00000 10791. #Fitted_point 0.00253 20000000 27.3 0. 0.00000 10791. #Fitted_point 0.00233 50000000 25.1 0. 0.00000 10791. #Fitted_point 0.00218 100000000 23.5 0. 0.00000 10791. #Fitted_point 0.00205 200000000 22.1 0. 0.00000 10791. #Fitted_point 0.00188 500000000 20.3 0. 0.00000 10791. #Fitted_point 0.00176 1000000000 19.0 0. 0.00000 10791. #Fitted_point #