SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #

Pick one: #FDE_plot #FDE_fit # #

#
# SAE8615 Case+Core Carburized Axial specimen, ConstantAmpl. HRc=61
# !Periodic Overload tests !
# Carburized in Atmosphere,   Deep Carbur. Depth.
# Original:Elec.Furnace, VacDegas, LadleRef., ConCast HotRolled 31.8mm bar
# Original Chem.: 0.11C 0.84Mn .009P .035S .3Si .14Cu .4Ni .6Cr .2Mo
#  .005V .002Columb/Niob. .03Al .007Sn 15ppm_O   then Carburized
# Note that some specimens have mean stress. 
# Tested at U.Dearborn 2016, AISI Report Iteration 161/162

#FileType= strain_life
#DataType= raw
#Name= SAE8615
#Name= Iter.16e
#Name= DeepCarbCase+Core
#Strain_Units= strain
#Stress_Units= MPa
#Sy=  1017.0
#Su=  1182.4
#E= 207000
#monotonic_K= 4381.9
#monotonic_n= 0.235
#TrueFractureStrain= 0.0277
#TrueFractureStress= 731.
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 673   #Hardness, Rockwell C= 61

0.007990     356 1209 -129.6   0.002090 205000 #IGL
0.007990     590 1163  -91.5   0.002340 206000 #IGL
0.006000    9760  987  -78.4   0.001240 208000 #IGL
0.004990   15796  899  -20.0   0.000750 212000 #IGL
0.005990   23180 1001  -95.4   0.001230 210000 #IGL
0.004990   58710  905  -93.0   0.000670 209000 #IGL
0.004990   93280  919 -204.0   0.000580 208000 #IGL
#Specimens above are constant ampl. tests
#Specimens below are periodic overload tests (POL)
0,00315   87044   621 196   .00082 210600
0.00285  440512   562 202   .00089 206600
0.00275  355460   555 230   .00094 210800
0.00250  635046   591 270   .99981 207300
#
#

#Carbon, %= 0.1100
#Manganese, %= 0.8400
#Phosphorus, %= 0.0090
#Sulfur, %= 0.0350
#Silicon, %= 0.3000
#Copper, %= 0.1400
#Nickel, %= 0.4000
#Chromium, %= 0.6000
#Molybdenum, %= 0.2000
#Vanadium, %= 0.0050
#Columbium/Niobium, %= 0.0020
#Aluminum, %= 0.0300
#Tin, %= 0.0070
#Oxygen, ppm= 15.0000
#