SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# Fitted Curve !
# SAE1070M : SlaterSteel C-70 Controlled Cooled Rc=23
# Con-Rod material. ElecFurn., ConCast(128x184mm billet) HotRolled to
# 50.8mm bar, Specimens cut from As-Rolled.  Connecting Rod applications
# 80%Pearlite, 20%Ferrite
# Inclusions: TypeA=0.5, TypeBCD= non obsv.
# Test: M.Khalil and T.Topper, Dec. 1999, revised 2000
# saedigcurve_v2.2.f starts.
#FileType= strain_life
#DataType= fitted
#Name= SAE1070M
#Name= Slater_C-70
#Name= AisiIt_43
#Stress_units= MPa
#Strain_units= strain
#Sy= 765.0
#Su= 964.0
#E= 201000
#monotonic_K= 1315.0
#monotonic_n= 0.090
#FractureStrain= 0.197
#FractureStress= 1095 Original reported=837 lower than ultimate. 
#%RA= 16.8
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 241
#Hardness, Rockwell C= 23
#Basic Oxygen= False
#Electric Furnace= True
#Vacuum Degas= False
#Ladle Refined= False
#Ingot Cast= False
#Continuous Cast= True
#Pearlite, %= 80
#Ferrite, %= 20
#Carbon, %= 0.7
#Manganese, %= 0.98
#Phosphorus, %= 0.014
#Sulfur, %= 0.024
#Silicon, %= 0.28
#Copper, %= 0.02
#Nickel, %= 0.01
#Chromium, %= 0.11
#Molybdenum, %= 0.05
#Aluminum, %= 0.031
#Nitrogen, ppm= 33
# SAEC-70    AisiIt_43  BHN=  241 Fn=    0
#          Monotonic Props.       Cyclic Props.
#ELAS. MOD.= 29153. KSI,  201. GPA     K'        = 234.0 KSI,  1614.MPA
#YIELD,0.2%=   111. KSI,  765. MPA     N'        = 0.1671
#ULT. STRG.=   140. KSI,  964. MPA     F. STRG COEF=  206.3 KSI, 1422.MPA
#K       =      0.0 KSI,      0. MPA   F.STRG EXP, b=-0.0937
#N            = 0.0000                 FAT DUCT COEF=   0.4695
#RED. IN AREA = 16.8                   F.DUCT EXP, c=-0.5606
#T. FRAC. STG.= 121.4 KSI,  837. MPA   Exp Cyc Yld  =   83. Ksi, 571.MPA
#T. FRAC. STR.= 0.197                  Fit Cyc Yld  =   83. Ksi, 569.MPA
#No. fatigue data points=   18
#
# NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n'
# NOTE!! Short life and fatigue limit adjusted manually.  FAC Aug2009
#Stress_Units= MPa
# Total Strain   2Nf  Stress  Mean   Plastic Strain   Initial
#    Amp               Amp   Stress      Amp        Elastic Mod.
    .197            1  1095.       0     .191      201000. #Fitted_point manually
   0.01010       2000   689.8      0.   0.00667    201000. #Fitted_point
   0.00715       5000   635.6      0.   0.00399    201000. #Fitted_point
   0.00567      10000   597.4      0.   0.00270    201000. #Fitted_point
   0.00462      20000   561.4      0.   0.00183    201000. #Fitted_point
   0.00366      50000   516.8      0.   0.00109    201000. #Fitted_point
   0.00315     100000   485.2      0.   0.00073    201000. #Fitted_point
   0.00276     200000   455.4      0.   0.00049    201000. #Fitted_point
   0.00237     500000   418.4      0.   0.00029    201000. #Fitted_point
   0.00214    1000000   392.2      0.   0.00019    201000. #Fitted_point
   0.00180    3000000   360.       0     .0        201000. #Fitted_point manually
   0.00180   10000000   360.       0     .0        201000. #Fitted_point manually
#
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