SAE Standard Fatiuge Data File

#SAE Standard Fatiuge Data File #
Pick one: #FDE_plot #FDE_fit # #

#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!:  Merged file from Refs:
# SMITH ET AL, NASA D-1574, 1963, BHN 371/381
# NACHTIGALL,  NASA TN-D7532, 1974
# Bergmann, TH Darmstadt, Heft 37 1983
# P.Kurath, PhD Thesis UoIllinois 1984

#FileType= strain_life
#DataType= raw
#NAME= TI6AL4V
#NAME= Titanium
#NAME= mergedFile
#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
#
#TI6AL4V TITANIUM, SOLUTION TREATED AND AGED,
#SMITH ET AL, NASA D-1574, 1963, BHN 371/381
#.029C .22FE .017N2  6.1AL  4.0V  .007H2
#
#Tot Strain    2Nf  Stress  Mean   Plastic Strain   Initial
#_ Amp               Amp   Stress      Amp        Elastic Mod.
  0.124300        12. 214.80    0.  0.111700       16984.
  0.075800        54. 190.87    0.  0.064600       16984.
  0.039400       172. 168.82    0.  0.029500       16984.
  0.027300       376. 162.88    0.  0.017700       16984.
  0.017200       906. 156.35    0.  0.007900       16984.
  0.010800      2940. 140.40    0.  0.002600       16984.
  0.006400     23600. 107.91    0.  0.000000       16984.
  0.005200     74000.  87.46    0.  0.000000       16984.
  0.004600    140400.  77.89    0.  0.000000       16984.
  0.004400    384000.  74.40    0.  0.000000       16984.
  0.004000   1762000.  67.01    0.  0.000000       16984.
  0.004400   8540000.  74.98    0.  0.000000       16984. #runout
  0.005100  11180000.  86.01    0.  0.000000       16984. #runout
#TI-6AL-4V  AS RECEIVED , VACUUM ANNEALED
#NACHTIGALL,  NASA TN-D7532, 1974
#MATERIALS DATA BOOK SPEC 36 RC HARDNESS ?, ACTUAL NOT KNOWN
#Tot Strain    2Nf  Stress  Mean   Plastic Strain   Initial
#_ Amp               Amp   Stress      Amp        Elastic Mod.
  0.043000       170. 143.30    0.  0.034000       15838.
  0.032950       206. 141.85    0.  0.024050       15838.
  0.022900       518. 137.50    0.  0.014250       15838.
  0.012700      1434. 127.63    0.  0.004650       15838.
  0.012650      1440. 126.62    0.  0.004700       15838.
  0.008550      3540. 119.08    0.  0.000900       15838.
  0.008700      4420. 115.74    0.  0.001400       15838.
  0.008550      5440. 121.69    0.  0.000900       15838.
  0.008550      6600. 120.53    0.  0.000950       15838.
  0.008550      7400. 120.96    0.  0.000950       15838.
  0.006450     21440. 102.25    0.  0.000000       15838.
  0.005150    122920.  81.51    0.  0.000000       15838.
#
#Ti6Al4V Titanium, Ref. Bergmann TH Darmstadt, Heft 37 1983 
#Diametral testing, hourglass shape, in rolling direction.
#Ref. Bergmann, TH Darmstadt, Heft 37 1983
#Note:  Points digitized from graphs and may contain errors.
#TotStr 2Nf  StsAmpl  So  PlasStr  Modulus
0.0220       422  144.8   0   0.01372   17455
0.0179       700  136.3   0   0.01012   17455
0.0130      1406  128.8   0   0.00561   17455
0.0099      2602  118.0   0   0.00315   17455
0.0079      6003  108.0   0   0.00169   17455
0.0062     19005   99.2   0   0.00053   17455
0.0049     56949   84.8   0   0.00007   17455
0.0039    129576   67.4   0   0.00000   17455
0.0039    154957   68.7   0   0         17455
0.0033    221160   59.0   0   0         17455
0.0031   1003284   55.3   0   0         17455
0.0031   1302742   53.4   0   0         17455
0.0030   1645356   51.7   0   0         17455 #runout
0.0029   2195600   51.7   0   0         17455
0.0031   5752400   53.4   0   0         17455 #runout
0.0030   5911020   51.7   0   0         17455 #runout
0.0030   7068160   51.5   0   0         17455 #runout
0.0028   8103640   48.1   0   0         17455 #runout

#Ti6Al4V Titanium, from 1 inch plate, Beta Annealed
#Microstructur: Alpha-Beta condition:  alpha plates seperated by
#retained beta, within prior beta grains.
#Probable cyclic shrinkage at low stress levels
#Ref. P.Kurath, PhD Thesis UoIllinois 1984
#
#TotStr 2Nf  StsAmpl  So  PlasStr  Modulus
0.003  1200000  52.2  10.4   0        17600
0.0035  234000  60.4   5.4   0        17600
0.004    89800  68.4   0     0.00011  17600
0.004    52100  69.4   6.2   0.00006  17600
0.005    16600  85.9   3.8   0.00012  17600
0.005    21800  81.3  -2.2   0.00038  17600
0.0072    2200  98.3   0     0.00161  17600
0.0075    2010  110.3  -3    0.00123  17600
0.0075    2420  105    -1.6  0.00153  17600
0.01       602  114    -3.3  0.00352  17600
0.01       616  103.3   0    0.00413  17600
#0.015      158  118    -1    0.00830  17600 #probably buckled
#0.015      102  120    -4    0.00818  17600 #probably buckled
#
#