SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #

# SAE8620 Q+T Simul. Carburized Core,  Axial, HRc=38
# Note: Periodic Overload tests !
# Gerdau Ht M27967 ElecFurnace VacDegas ConCast, Hot Roll to 19.1mm bar.
# Samples austenitized at 1700F 3.5hr. lowered to 1600F 40min, Quench 140F oil
# tempered at 350F to aim for HRC=36,  Bainite, %= 50 #Martensite, %= 50
# Chem.: 0.22wt%C .83Mn .006P .023S .25Si .20C .45Ni .50Cr
# .18Mo .003V .002Nb .027Al .0003Pb .002Ti .0007Ca .0002B .007Sn
# Inclusion Rating: TypeA=2.0T 0.5H TypeB=0.5T 0.0H TypeC=0 TypeD=1.0T 05H3
# POL tests pre-cycled at Overload stress ampl. for 1000 cyc.
# Tested by J.Lindsey UoToledo 2010

#FileType= strain_life
#DataType= raw
#Name= SAE8620
#Name= AISIit.144
#Name= Q+T-Simul.Core
#Units= MPa
#Sy= 795.8
#Su= 1145.2
#eu= 0.053 engr. strain at Su
#E= 206900 average of 15 initial loadings. Tensile test E=210300
#monotonic_K= 2132.3
#monotonic_n= 0.165
#MaterialForm= bar
#%RA= 50.8 %
#%Elongation= 35.5 % 
#TrueFractureStress= 1586
#TrueFractureStrain= 0.711
#Hardness, Rockwell C= 38
#BHN= 352

#StrAmpl 2Nf StsAmpl So PlsStrAmp InitialEmod
#0.020000 386 1031 -5.9 0.015090 214000 #IGL
#0.020000 404 996 -5.5 0.015270 211000 #IGL
#0.020000 490 984 -5.6 0.015320 203000 #IGL
#0.010010 3168 867 -9.3 0.005890 212000 #IGL
#0.009990 3198 850 -5.9 0.005950 199000 #IGL
#0.010010 3264 845 -6.2 0.005990 203000 #IGL
#0.005000 20532 699 0.7 0.001670 214000 #IGL
#0.005000 22446 675 -1.1 0.001790 214000 #IGL
#0.005010 27584 690 -10.3 0.001720 205000 #IGL
#0.003540 75378 597 2.1 0.000700 207000 #IGL
#0.003510 81370 596 41.3 0.000670 199000 #IGL
#0.003490 89296 573 25.7 0.000770 200000 #IGL
#0.002550 325116 503 1.3 0.000160 206900 #IGL
#0.002510 335166 494 1.2 0.000160 206000 #IGL
#0.002520 928224 502 1.3 0.000130 207000 #IGL
#0.002250 2843664 450 1.0 0.000110 206900 #IGL
#0.002250 10000000 455 1.0 0.000090 206900 #Runout
#0.002250 10000000 464 1.0 0.000040 209000 #Runout
#Tests above are Cons.Ampl from Iter 120.

#Tests below are POL
0.00192 189318 358 331 .00022 209100
0.00129 375296 260 430 .00005 209100
0.00105 2243224 208 482 .00006 209100
0.00086 6865984 167 521 .00007 209100

#Carbon, %= 0.2200
#Manganese, %= 0.8300
#Phosphorus, %= 0.0060
#Sulfur, %= 0.0230
#Silicon, %= 0.2500
#Copper, %= 0.2000
#Nickel, %= 0.0070
#Chromium, %= 0.5000
#Molybdenum, %= 0.1800
#Vanadium, %= 0.0030
#Columbium/Niobium, %= 0.0020
#Aluminum, %= 0.0270
#Lead, %= 0.0003
#Titanium, %= 0.0020
#Calcium, %= 0.0007
#Zirconium, %= 0.0010
#Boron, %= 0.0002
#Tin, %= 0.0070
#
#