SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# SAE8620 Q+T  AISI  Iter. 39    HRc=45  
# Typical Core condition of carburized part
# BasicOxygen, LadleRefined, ConCast(381x508mm) HotRolled to 82.8mm Bar
# Chem. wt% .23C .82Mn .011P .027S .25Si .02Cu .48Ni 
#  .5Cr .18Mo .01V 0Co 0Pb .003Ti .003Sn
# Specimens machined, copper plated to prevent carbon intrusion then
# placed in Carburizing furnace. Thus simulating core properties.
# 100% Martensite, Inclusions TypeD= 3Heavy, TypeA,B,C= not reported.
# Test: UoWaterloo, M.Khalil and T.Topper  Oct.2000

#FileType= strain_life
#DataType= raw
#Name= SAE8620
#Name= AisiIt-39
#Name= CarbCore
#Stress_units= MPa
#Strain_units= strain
#Sy= 1420.0
#Su= 1683.0
#eu= 0.04  engr. strain at Su
#E= 180000
#monotonic_K= 1876.0
#monotonic_n= 0.040
#FractureStrain= 0.781
#FractureStress= 2601.
#%RA= 36.2
#%Elongation= 47.7 % over 0.3 inch
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 430
#Hardness, Rockwell C= 45

#StrAmp   2Nf   StsAmp  So CalcPlasStr InitialModulus
0.0130      1112 1468 0.0 0.00484 175000 
0.0134      1780 1536 0.0 0.00482 182000 
0.0152      1906 1354 0.0 0.00300 179000 
0.0109      1940 1332 0.0 0.00346 183000 
0.0104      2700 1376 0.0 0.00274 180000 
0.0085      3878 1240 0.0 0.00159 180000 
0.0084      4080 1295 0.0 0.00120 186000 
0.0084      5100 1229 0.0 0.00154 181000 
0.0066     11388 1160 0.0 0.00016 181000 
0.0066     12920 1172 0.0 0.00013 210000 
0.0066     16340 1149 0.0 0.00019 178000 
0.0042     38488  868 0.0 0.00000 185000 
0.0042     41428  787 0.0 0.00000 177000 
0.0041     53124  879 0.0 0.00000 180000 
0.00317   185944  588 0.0 0.00000 176000 
0.00310   232756  593 0.0 0.00000 179000 
0.00314   234044  591 0.0 0.00000 180000 
0.00291   389116  545 0.0 0.00000 182000 
0.00286   619038  564 0.0 0.00000 188000 
0.00266 10000000  516 0.0 0.00000 177000 #Runout
0.00276 10000000  477 0.0 0.00000 182000 #Runout
0.00276 10000000  468 0.0 0.00000 176000 #Runout
#Basic Oxygen= True #Ladle Refined= True #Continuous Cast= True
#Martensite, %= 100
#Carbon, %= 0.23
#Manganese, %= 0.82
#Phosphorus, %= 0.011
#Sulfur, %= 0.027
#Silicon, %= 0.25
#Copper, %= 0.02
#Nickel, %= 0.48
#Chromium, %= 0.5
#Molybdenum, %= 0.18
#Vanadium, %= 0.01
#Columbium/Niobium, %= 0.00
#Lead, %= 0.000
#Titanium, %= 0.003
#Tin, %= 0.003
#
#