SAE Standard Fatigue Data File format

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


# AISI-16MnCr5 Q+T Simulated Carburized Core,  Iter.187 HRc=40.9
# NOTE!!  4Pt. Bending specimen !  Stroke(calibrated to Strain) control
# 100% Matensite
# Gerdau Ht.M54353 ElecFurn, VacDegas LadleRefine HotRoll to 31mm bar
# Rectangular bending specimen, polished to 600 grit surface.
# Chem.: 0.16wt%C 1.22Mn .018P .034S .07Si .23Cu .1Ni 1.06Cr
# .04Mo .002V .002Nb .02Al .01Sn  
# Stress is elastic computed bending strress = Mc/I
# M= (P/2)*2 inch-lbs,  c=0.124in  I=0.00065104 in^4
# Subsurface failures not seen in any fract. surfaces but multiple
# initiation sites on surface apparent.
# Tested by D.Gaia  UWaterloo Aug.2016

#FileType= strain_life
#DataType= raw
#Name= 16MnCr5
#Name= Iter.187
#Name= SimulCore
#Units= MPa
#E= 201000  very approximate Emod
#FailureDef= 50% load drop
#Hardness, Brinell= 380
#Hardness, Rockwell C= 40.9
#BHN= 381

#Stress is elastic computed bending strress = Mc/I
#M= (P/2)*2 inch-lbs,  c=0.124in  I=0.00065104 in^4
#Emod is simply  StressAmpl/StrainAmpl

#StrAmpl 2Nf StsAmpl-mpa So  Sts/Str
0.00605 14882 1192 0 0 196991
0.00487 52372 970 0 0 199241
0.00448 70890 909 0 0 202933
0.00713 6960 1375 0 0 192888
0.00398 151726 803 0 0 201849
0.00348 135370 711 0 0 204257
0.00359 183318 717 0 0 199843
0.00317 192448 630 0 0 198672
0.00301 1666812 600 0 0 199336
0.00278 2000000 565 0 0 203351 #runout
0.00608 14940 1185 0 0 194930 #retest after runout
0.00280 2000000 560 0 0 200149 #runout
0.00710 6706 1370 0 0 192995 #retest after runout
0.00301 2000000 605 0 0 201008 #runout
0.00710 7288 1367 0 0 192547 #retest after runout
0.00500 52374 979 0 0 195703
0.00320 2000000 636 0 0 198878 #runout
0.00320 913794 638 0 0 199375
0.00598 13966 1188 0 0 198744
0.00451 82314 903 0 0 200115
0.00278 2000000 557 0 0 200398 #runout
0.00960 1587 1521 0 0 158416
0.00960 1710 1565 0 0 163063
0.00960 1763 1567 0 0 163229

#Carbon, %= 0.16
#Manganese, %= 1.22
#Phosphorus, %= 0.018
#Sulfur, %= 0.034
#Silicon, %= 0.07
#Copper, %= 0.23
#Nickel, %= 0.11
#Chromium, %= 1.06
#Molybdenum, %= 0.04
#Vanadium, %= 0.002
#Columbium/Niobium, %= 0.002
#Aluminum, %= 0.02
#Tin, %= 0.010
#
#