SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# Fitted Curve !
#saedigcurve_v2.2.f starts.
# AISI SAE1090M Hot Form-Accelerated Cooled  AISI Bar Group It 7
# ElecFurnace, ConCast(152x152mm), HotRolled to 15.9mmBar. Forged
# Inclus: TypeA=1, Types B,C,D not found. 95+%Pearlite, 5%Martensite
# 0.87%C 1.00Mn .017P .026S .58Si .12Cu .05Ni .15Cr .05Mo .094V .006Nb
# Test:UoWaterloo, A.Varvani-Farahani, T.Topper, May 1998 Rc=38
#
#FileType= strain_life
#DataType= fitted
#Fn= 673
#Name= SAE1090M
#Name= AisiIt_07
#Stress_units= MPa
#Strain_units= strain
#Sy= 1065.0
#Su= 1388.0
#E= 217000
#monotonic_K= 2202.0
#monotonic_n= 0.168
#LowerYield= 978.6
#UpperYield= 987.5
#FractureStrain= 0.30
#FractureStress= 1427
#%RA= 25.
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 357
#Hardness, Rc= 38
#StrAmp  2Nf StsAmp  So CalcPlasStr InitialModulus
#Basic Oxygen= False
#Electric Furnace= True
#Vacuum Degas= False
#Ladle Refined= False
#Ingot Cast= False
#Continuous Cast= True
#Martensite, %= 5
#Pearlite, %= 95
#Carbon, %= 0.87
#Manganese, %= 1
#Phosphorus, %= 0.017
#Sulfur, %= 0.026
#Silicon, %= 0.58
#Copper, %= 0.12
#Nickel, %= 0.05
#Chromium, %= 0.15
#Molybdenum, %= 0.05
#Vanadium, %= 0.09
#Columbium/Niobium, %= 0.01
# SAE1090M   AisiIt_07  BHN=  357 Fn=  673
#          Monotonic Props.       Cyclic Props.
#ELAS. MOD.= 31473. KSI,  217. GPA     K'        = 333.2 KSI,  2297.MPA
#YIELD,0.2%=   154. KSI, 1065. MPA     N'        = 0.1840
#ULT. STRG.=   201. KSI, 1388. MPA     F. STRG COEF=  317.8 KSI, 2191.MPA
#K       =      0.0 KSI,      0. MPA   F.STRG EXP, b=-0.1162
#N            = 0.0000                 FAT DUCT COEF=   0.7739
#RED. IN AREA = 25.0                   F.DUCT EXP, c=-0.6314
#T. FRAC. STG.= 207.0 KSI, 1427. MPA   Exp Cyc Yld  =  106. Ksi, 732.MPA
#T. FRAC. STR.= 0.300                  Fit Cyc Yld  =  106. Ksi, 731.MPA
#No. fatigue data points=   19
#
# NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n'
# NOTE!! Short life and Fatigue limit fitted manually   FAC Jul-09
#Stress_Units= MPa
# Total Strain   2Nf  Stress  Mean   Plastic Strain   Initial
#    Amp               Amp   Stress      Amp        Elastic Mod.
    .30             1  1427.       0.    .2934     217000. #Fitted_point manually
   0.01055       2000   884.0      0.   0.00647    217000. #Fitted_point
   0.00733       5000   804.6      0.   0.00362    217000. #Fitted_point
   0.00577      10000   748.7      0.   0.00232    217000. #Fitted_point
   0.00468      20000   696.0      0.   0.00148    217000. #Fitted_point
   0.00371      50000   630.5      0.   0.00080    217000. #Fitted_point
   0.00319     100000   583.8      0.   0.00050    217000. #Fitted_point
   0.00279     200000   539.6      0.   0.00031    217000. #Fitted_point
   0.00279   10000000   539.6      0.   0.00031    217000. #Fitted_point manually
#
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