SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# SAE9254 extra Al Fine Grain  Q+T HRc=58, AISI Iter. 35
# Material cyclically softens slightly.
# Stelco: BasicOxygen, LadleRefined, ConCast(300x600mm) HotRoll to 18.8mm bar
# Spec. machined then heat treated: Austen. 1700F in nitrogen, 
# Oil Quenched, Tempered at 715F  100%Martensite 
# Chem.: 0.57wt%C .71Mn .011P .009S 1.57Si .01Cu .01Ni .72Cr
# .01Mo .01V 0Nb .028Al 70ppm_N
# Inclusions: TypeA= 1.5, TypeB,C=0, TypeD=1.5
# Test: UoWaterloo, M.Khalil and T.Topper July1999

#FileType= strain_life
#DataType= raw
#Name= SAE9254_AL
#Name= AisiIt35
#Name= Q+T
#Stress_units= MPa
#Strain_units= strain
#Sy= 2270.
#Su= 2450. from graph. Fatigue report has typo2950
#eu= 0.035  engr. strain at Su
#E= 205400  avg initial loading
#monotonic_K= 3322.
#monotonic_n= 0.042
#FractureStrain= 0.052 from graph
#FractureStress= 2483.
#%RA= 4 %
#%Elongation= 5 % from graph
#MaterialForm= bar
#BHN= 584
#Hardness, Rockwell C= 58

#StrAmp  2Nf StsAmp  So CalcPlasStr InitialModulus
0.01015    1200 1809 0.0 0.00114 205000 #None
0.01015    1550 1800 0.0 0.00113 203000 #None
0.01015    1726 1854 0.0 0.00114 207000 #None
0.00810    5902 1590 0.0 0.00018 206000 #None
0.00813    6926 1565 0.0 0.00030 201000 #None
0.00813    7628 1570 0.0 0.00028 207000 #None
0.00615   60194 1254 0.0 0.00000 212000 #None
0.00606   67620 1208 0.0 0.00000 204000 #None
0.00612   87254 1333 0.0 0.00000 202000 #None
0.00405  164522 851 0.0 0.00000 206000 #None
0.00410  392004 840 0.0 0.00000 209000 #None
0.00417  392726 845 0.0 0.00000 209000 #None
0.00360  745818 714 0.0 0.00000 207000 #None
0.00320  1284974 687 0.0 0.00000 206000 #None
0.00381  5432572 789 0.0 0.00000 202000 #None
0.00314 10000000 642 0.0 0.00000 206000 #Runout
0.00330 10000000 687 0.0 0.00000 208000 #Runout
0.00320 10000000 661 0.0 0.00000 203000 #Runout
#Basic Oxygen= True
#Ladle Refined= True
#Continuous Cast= True
#Martensite, %= 100

#Carbon, %= 0.57
#Manganese, %= 0.71
#Phosphorus, %= 0.011
#Sulfur, %= 0.009
#Silicon, %= 1.57
#Copper, %= 0.01
#Nickel, %= 0.01
#Chromium, %= 0.72
#Molybdenum, %= 0.01
#Vanadium, %= 0.01
#Columbium/Niobium, %= 0.00
#Aluminum, %= 0.028
#Nitrogen, ppm= 70
#
#