SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# AISI SAE 1090 Q+T to BHN 309 AISI Iter. 8      HRc=33
# Typical Stabilizer bar material/process
# NorthStar: ElecFurn. ConCast 152x152mm, HotRolled 25.4mmBar, 
# Hot Formed_2100F   Quenched in 1650F Oil, 100%Martensite
# Type A inclu. rate of 1/2.  Type B,C,D not observed
# 0.88%C .66Mn .001P .019S .18Si .08Cu .04Ni .07Cr .01Mo 
# .037Va .001Ca .003Bo  Al.lessThan=.001 .001Ti .0028O .003Cb 
# Test: UofWaterloo A.Varvani-Farahani A.Dabayeh T.Topper May 1998

#FileType= strain_life
#DataType= raw
#Name= SAE1090_Q+T
#Name= AisiIt_08
#Stress_units= MPa
#Strain_units= strain
#Sy= 677.6
#Su= 1147.0
#eu= 0.080  engr. strain at Su
#E= 213000
#monotonic_K= 1913.0
#monotonic_n= 0.168
#LowerYield= 634.4
#UpperYield= 647.6
#FractureStrain= 0.20
#FractureStress= 1151.
#%RA= 21.7
#%Elongation= 0  incorrectly reported
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 309
#Hardness, Rockwell C= 33

#StrAmp  2Nf StsAmp  So CalcPlasStr InitialModulus
0.0100 1500 816 0.0 0.00618 217000 #None
0.0100 2100 807 0.0 0.00622 205000 #None
0.0100 2800 825 0.0 0.00614 234000 #None
0.0070 4280 700 0.0 0.00372 220000 #None
0.0070 4300 685 0.0 0.00379 220000 #None
0.0070 6126 689 0.0 0.00377 203000 #None
0.0057 7080 644 0.0 0.00268 192000 #None
0.0057 7104 646 0.0 0.00267 192000 #None
0.0057 9454 661 0.0 0.00260 220000 #None
0.0032 35290 503 0.0 0.00083 220000 #None
0.0032 53744 499 0.0 0.00085 220000 #None
0.0028 65672 486 0.0 0.00051 220000 #None
0.0032 76006 544 0.0 0.00064 220000 #None
0.0028 113320 480 0.0 0.00054 220000 #None
0.0024 135586 480 0.0 0.00015 234000 #None
0.0028 162158 516 0.0 0.00037 220000 #None
0.0023 493542 428 0.0 0.00029 220000 #None
0.0022 567808 392 0.0 0.00036 220000 #None
0.0021 10000000 360 0.0 0.00046 192000 #Runout
0.0021 10000000 379 0.0 0.00037 192000 #Runout
0.0021 10000000 390 0.0 0.00032 192000 #Runout
#Martensite, %= 100

# Chem
#Carbon, %= 0.88
#Manganese, %= 0.66
#Phosphorus, %= 0.001
#Sulfur, %= 0.019
#Silicon, %= 0.18
#Copper, %= 0.08
#Nickel, %= 0.04
#Chromium, %= 0.07
#Molybdenum, %= 0.01
#Vanadium, %= 0.04
#Columbium/Niobium, %= 0.00
#Aluminum, %= 0.001
#Titanium, %= 0.001
#Calcium, %= 0.00
#Boron, %= 0.003
#Oxygen, ppm= 28
#
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