SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# SAE1050M  Induc.Hardened axle Core AISI iter 4  HRc=20.
# From Induc. hardened center of axle core. 60%Pearlite, 40% Ferrite
# USS/Kobe Axles: BasicOxygen, LadleRef., ConCast(310x372mm) then
# HotForged to 44mmBar, cold extruded  to 31mm, Induc. Hardened axle.
# Chem.: 0.52%C .86Mn .021P .024S .27Si .01Cu .01Ni .05Cr .01Mo
#  .039Al .001Ti .01Ca .0024B 14ppm_O
# Inclusions: TypeA=0.5, Type B,C,D=0,  60%Pearlite, 40% Ferrite
# Test: UoWaterloo, A.Varvani-Farahani, T.Topper May 1998

#FileType= strain_life
#DataType= raw
#Name= SAE1050M
#Name= AisiIt_04
#Name= InducHard.Core
#Stress_units= MPa
#Strain_units= strain
#Sy= 460.0
#Su= 828.5
#eu= 0.11  engr. strain at Su
#E= 202000
#monotonic_K= 1309.0
#monotonic_n= 0.163
#LowerYield= 450
#UpperYield= 450
#FractureStrain= 0.40
#FractureStress= 1065.
#%RA= 34.1
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 229   from HRb=98  = HRc=20

#StrAmp  2Nf StsAmp  So CalcPlasStr InitialModulus
0.0100    1454 685 0.0 0.00658 206000 #None
0.0100    2014 685 0.0 0.00658 205000 #None
0.0100    3000 683 0.0 0.00659 206000 #None
0.0075    4188 511 0.0 0.00495 205000 #None
0.0075    4474 539 0.0 0.00481 205000 #None
0.0075    4588 560 0.0 0.00471 205000 #None
0.0057    8056 632 0.0 0.00256 200000 #None
0.0057    9166 547 0.0 0.00298 201000 #None
0.0057   10832 610 0.0 0.00267 200000 #None
0.0038   44160 471 0.0 0.00146 200000 #None
0.0038   52720 471 0.0 0.00146 201000 #None
0.0038   52728 463 0.0 0.00150 201000 #None
0.0032   65568 354 0.0 0.00144 206000 #None
0.0032   76464 444 0.0 0.00099 205000 #None
0.0032  105440 450 0.0 0.00096 201000 #None
0.0028  271670 452 0.0 0.00055 200000 #None
0.0026  278070 418 0.0 0.00052 198000 #None
0.0027  341420 446 0.0 0.00048 200000 #None
0.0024  578670 426 0.0 0.00028 196000 #None
0.0025  719440 422 0.0 0.00040 196000 #None
0.0022 1001200 406 0.0 0.00018 205000 #None
0.0022 2347300 404 0.0 0.00019 206000 #None
0.0022 10000000 406 0.0 0.00018 206000 #Runout
#Pearlite, %= 60
#Ferrite, %= 40

#Carbon, %= 0.52
#Manganese, %= 0.88
#Phosphorus, %= 0.012
#Sulfur, %= 0.023
#Silicon, %= 0.22
#Copper, %= 0.03
#Nickel, %= 0.02
#Chromium, %= 0.08
#Molybdenum, %= 0.01
#Vanadium, %= 0.00
#Columbium/Niobium, %= 0.01
#
#