SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #

# AISI 20MoCr4 steel Periodic Overload  AISI Iter. 136 HRc=35
# NOTE!  :  Periodic Overload tests at long life
# Gerdau H-M11652 Elec Furn. VacDegas LadleRefined, ConCast 152x152mm
# Quenched +Tempered Simul. Carbur.Core (Atmosphere) 
# Bainite= 10% Martensite= 85% Ferrite= 5%
# Original Chem. Gerdau H-M11652: 0.21C .75Mn .011P .026S .30Si .19Cu
# .09Ni .48Cr .44Mo .005V .002Co .028Al .0008Ca .008Sn 98ppmNi
# Axial spec. from 30mm bar 
# Data are CA(it135) at short life, and POL(it136) at long life.
# Tested M.Yu UWaterloo 2012

#FileType= strain_life
#DataType= raw
#Name= 20MoCr4
#Name= AISIiter136
#Name= SimulCarb.Core
#stress_units= MPa
#strain_units= strain
#Sy= 837.0
#Su= 987.0
#E= 200000 mpa
#eu= 0.05  engr. strain at Su (poor graph)
#monotonic_K= 1292.0
#monotonic_n= 0.070
#MaterialForm= bar
#TrueFractureStress= 1346
#TrueFractureStrain= 0.71
#%RA= 51.%
#%Elongation= 26 % (0.3 inch)
#BHN- 327 from Rockwell C= 35

#TotStrAmpl 2Nf StsAmpl So PlasStrAmpl ElasModulus
0.020250      170 898 0.0 0.015715 200000 #None
0.020900      286 860 0.0 0.016630 200000 #None
0.010293     1860 790 0.0 0.006344 200000 #None
0.010000     2272 717 0.0 0.006418 200000 #None
0.010179     2540 761 0.0 0.006374 200000 #None
0.007079     4906 724 0.0 0.003457 200000 #None
0.007246     6808 702 0.0 0.003735 200000 #None
0.005100    17800 656 0.0 0.001820 200000 #None
0.005022    29042 640 0.0 0.001824 200000 #None
0.004472    50228 618 0.0 0.001384 200000 #None
0.004375    69292 583 0.0 0.001458 200000 #None
#0.003965   153090 598 0.0 0.000973 200000 #None
#0.003618  2003292 561 0.0 0.000811 200000 #None
#0.003281  3374666 608 0.0 0.000241 200000 #None
#0.003176  7959346 516 0.0 0.000598 200000 #None
#0.002586  8843216 460 0.0 0.000284 200000 #None
#0.003215 10000000 608 0.0 0.000174 200000 #Runout
#0.003118 10000000 538 0.0 0.000429 200000 #Runout
#0.002680 10000000 466 0.0 0.000349 200000 #Runout
#0.002606 10000000 471 0.0 0.000249 200000 #Runout
#Tests above are Const. Ampl. from Iter 135
#A "#" in 1st col makes line a comment(unused)

#Tests below are  POL  of Iter 136
0.00251    322462  502  0  0  200000
0.00224    695332  448  0  0  200000
0.00211    746090  421  0  0  200000
0.00204   1114090  408  0  0  200000
0.00197   1022464  394  0  0  200000
0.0019    5864336  381  0  0  200000
0.00184  21633852  367  0  0  200000
0.0017    3211138  340  0  0  200000
0.00157  78093382  313  0  0  200000
#
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