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
# 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 significant compressive mean stress.
# Tested at U.Dearborn 2016, AISI Report Iteration 161/162

#FileType= strain_life
#DataType= raw
#Name= SAE8615
#Name= Iter.161
#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
0.004500  111650  847  -38.4   0.000510 212000 #IGL
0.004500  132728  859  -78.0   0.000390 209000 #IGL
0.003990  437684  781  -68.0   0.000270 210000 #IGL
0.003990  700864  737  -58.5   0.000380 204000 #IGL
0.002980 10000000 625   -0.9   0.000020 211000 #Runout
0.002980 10000000 613   -1.3   0.000010 209000 #Runout
#
#

#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