SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# SAE51B60 Q+T  .0021% Boron,  AISI Iter. 33,  HRc=45
# Material cyclically softens from Sy=1830 to Cyclic_Sy=1280.
# NorthStar: ElecFurnace, ConCast(152x152mm), HotRolled to 82.3mm
# Spec machined, then heat treated (Q in oil), tempered, polished.
# Chem.:  0.58wt%C .86Mn .008P .013S .26Si .01Cu .07Ni .81Cr 
# .04Mo .01V 0Nb .027Al 0Pb .041Ti .01Cobalt .0021B
# Inclusions: TypeA,B,C none, TypeD= 1
# Typical part= springs,  100% Martensite
# Test: UoWaterloo  M.Khalil, T.Topper Revised Feb.2000

#FileType= strain_life
#DataType= raw
#Name= SAE51B60
#Name= Quench+Temper
#Name= AisiIt_33
#Stress_units= MPa
#Strain_units= strain
#Sy= 1830.0
#Su= 1970.0
#eu= 0.044 engr. strain at Su
#E= 200000
#monotonic_K= 2332.0
#monotonic_n= 0.039
#FractureStrain= 0.20
#FractureStress= 1968.
#%RA= 21.6
#%Elongation= 36 % over 0.3inch gauge
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 450
#Hardness, Rockwell C= 45

#StrAmp  2Nf StsAmp  So CalcPlasStr InitialModulus
0.0100 1998 1349 0.0 0.00322 190000 #None
0.0100 2416 1349 0.0 0.00322 201000 #None
0.0100 2870 1327 0.0 0.00334 190000 #None
0.0080 4324 1256 0.0 0.00171 200000 #None
0.0080 5602 1256 0.0 0.00172 200000 #None
0.0080 7060 1249 0.0 0.00178 193000 #None
0.0060 15802 1203 0.0 0.00000 204000 #None
0.0060 17014 1208 0.0 0.00000 202000 #None
0.0050 84880 1015 0.0 0.00000 203000 #None
0.0050 120000 1072 0.0 0.00000 200000 #None
0.0042 366782 876 0.0 0.00000 200000 #None
0.0045 397400 939 0.0 0.00000 207000 #None
0.0042 446926 876 0.0 0.00000 200000 #None
0.00443 793076 918 0.0 0.00000 207000 #None
0.00399 882912 833 0.0 0.00000 198000 #None
0.00400 1472236 834 0.0 0.00000 200000 #None
0.00379 1532132 792 0.0 0.00000 195000 #None
0.00369 10000000 771 0.0 0.00000 200000 #Runout
0.00399 10000000 833 0.0 0.00000 204000 #Runout
0.00400 10000000 834 0.0 0.00000 206000 #Runout

#Carbon, %= 0.59
#Manganese, %= 0.86
#Phosphorus, %= 0.008
#Sulfur, %= 0.013
#Silicon, %= 0.26
#Copper, %= 0.10
#Nickel, %= 0.07
#Chromium, %= 0.81
#Molybdenum, %= 0.04
#Vanadium, %= 0.01
#Columbium/Niobium, %= 0.00
#Aluminum, %= 0.027
#Lead, %= 0.000
#Titanium, %= 0.041
#Cobalt, %= 0.010
#Boron, %= 0.0021
#
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