SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# SAE8620 Thru Carburized HRc= 61
# Material cyclically hardens, MacSteel Ht M10367
# ElecFurnace, LadleRefined, ConCast(152x152) HotRolled to 29.7mm bar
# Specimens machined, carburized, reaustenitized and isothermally transformed 
# to achieve 100% martensite and 0%bainite. 
# Original Chem.= 0.21wt%C .93Mn .009P .032S .25Si .15Cu .46Ni .50Cr
# .20Mo 0V 0Nb .024Al 0Pb .002Ti 0Ca .01Co 0Zr .0003B .01Sn 
# 9ppm_O 63ppm_N
# Inclusions: TypeA=1.2T 0.H, TypeB=0.5T 0.3H, TypeC=0.2T, TypeD=1.5T 0.5H
# Mean stresses not reported.
# Test: UoWaterloo, A.Rteil and T.Topper, June 2007

#FileType= strain_life
#DataType= raw
#Name= SAE8620
#Name= AisiIt_87
#Name= ThruCarburized
#Stress_units= MPa
#Strain_units= strain
#Sy= 1252.0
#Su= 1485.0
#eu= 0.0125 engr strain at Su. =fracture
#E= 192875.  average of  Sts/Str all points
##reported   #E= 198000
#monotonic_K= 5575.0
#monotonic_n= 0.240
#FractureStrain= 0.0125
#FractureStress= 1330
#%RA= 0 (not measurable)
#%Elongation= 1.2 %
#MaterialForm= bar
#FailureDef= 50% load drop
#Hardness, Rockwell C= 61
#BHN= 670

#StrAmp      2Nf   StsAmp  So PlasStr InitialModulus
0.008          674   1568   0   0     196000   #14   
0.008         1510   1482   0   0     185250   #1   
0.00795       1920   1515   0   0     190566   #12   
0.00601       2568   1171   0   0     194842   #16   
0.00602      12792   1155   0   0     191860   #21   
0.00601      29990   1143   0   0     190183   #9   
0.00498      50768    960   0   0     192771   #2   
0.00497      57772    987   0   0     198592   #17   
0.00351     144448    687   0   0     195726   #5   
0.00373     156542    722   0   0     193566   #19   
0.00401     161296    772   0   0     192519   #3   
0.00504     201014    977   0   0     193849   #18   
0.00376     222456    723   0   0     192287   #20   
0.00375     473490    725   0   0     193333   #4   
0.00325    3199592    625   0   0     192308   #6   
0.00302    4826110    576   0   0     190728   #10   
0.00276   10000000    540   0   0     195652   #runout   #15
0.00306   10000000    578   0   0     188889   #runout   #7
0.00299   10000000    586   0   0     195987   #runout   #8
0.00275   10000000    524   0   0     190545   #runout   #11
0.00276   10000000    538   0   0     194928   #runout   #13
#average                              192875.
#Martensite, %= 100
#Carbon, %= 0.21
#Manganese, %= 0.83
#Phosphorus, %= 0.009
#Sulfur, %= 0.032
#Silicon, %= 0.25
#Copper, %= 0.15
#Nickel, %= 0.46
#Chromium, %= 0.5
#Molybdenum, %= 0.2
#Vanadium, %= 0.00
#Columbium/Niobium, %= 0.00
#Aluminum, %= 0.024
#Lead, %= 0.000
#Titanium, %= 0.002
#Calcium, %= 0.00
#Cobalt, %= 0.010
#Zirconium, %= 0.000
#Boron, %= 0.0003
#Tin, %= 0.010
#Oxygen, ppm= 9
#Nitrogen, ppm= 63
#
#