Material + Cycles File

#Material + Cycles File #

1. Your Material (Digital-Fitted Curves):


#
#
#FileType= strain_life
#DataType= fitted
#AISI Bar Fatigue data. SAE 1141 with Nb.  
#Name= SAE1141Nb
#Name= AisiIt_14
#Stress_units= MPa
#Strain_units= strain
#Sy= 602.1
#Su= 801.8
#E= 217000
#monotonic_K= 1198.5
#monotonic_n= 0.126
#LowerYield= 595.1
#UpperYield= 602.1
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 241
#Hardness, Rockwell B= 100
#Basic Oxygen= False
#Electric Furnace= True
#Vacuum Degas= False
#Ladle Refined= False
#Ingot Cast= False
#Continuous Cast= True
#Bainite, %= 35
#Martensite, %= 50
#Ferrite, %= 15
#Carbon, %= 0.39
#Manganese, %= 1.42
#Phosphorus, %= 0.017
#Sulfur, %= 0.096
#Silicon, %= 0.17
#Copper, %= 0.16
#Nickel, %= 0.06
#Chromium, %= 0.13
#Molybdenum, %= 0.03
#Columbium/Niobium, %= 0.03
#Tin, %= 0.010
# SAE1141Nb  AisiIt_14  BHN=  241 Fn=    0
#          Monotonic Props.       Cyclic Props.
#ELAS. MOD.= 31473. KSI,  217. GPA     K'        = 174.1 KSI,  1201.MPA
#YIELD,0.2%=    87. KSI,  602. MPA     N'        = 0.1460
#ULT. STRG.=   116. KSI,  802. MPA     F. STRG COEF=  149.7 KSI, 1032.MPA
#K       =      0.0 KSI,      0. MPA   F.STRG EXP, b=-0.0740
#N            = 0.0000                 FAT DUCT COEF=   0.3556
#RED. IN AREA =  0.0                   F.DUCT EXP, c=-0.5067
#T. FRAC. STG.=   0.0 KSI,    0. MPA   Exp Cyc Yld  =   70. Ksi, 485.MPA
#T. FRAC. STR.= 0.000                  Fit Cyc Yld  =   71. Ksi, 487.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!! Manually adjusted Fatigue limit points.  FAC may09
#Stress_Units= MPa
# Total Strain   2Nf  Stress  Mean   Plastic Strain   Initial
#    Amp               Amp   Stress      Amp        Elastic Mod.
   0.36036          1   999.4      0.   0.35576    217000. #Fitted_point
   0.25480          2   951.8      0.   0.25041    217000. #Fitted_point
   0.16154          5   892.4      0.   0.15743    217000. #Fitted_point
   0.11473         10   849.9      0.   0.11082    217000. #Fitted_point
   0.08174         20   809.4      0.   0.07801    217000. #Fitted_point
   0.05254         50   758.9      0.   0.04905    217000. #Fitted_point
   0.03786        100   722.8      0.   0.03453    217000. #Fitted_point
   0.02748        200   688.4      0.   0.02431    217000. #Fitted_point
   0.01826        500   645.4      0.   0.01528    217000. #Fitted_point
   0.01359       1000   614.7      0.   0.01076    217000. #Fitted_point
   0.01027       2000   585.4      0.   0.00757    217000. #Fitted_point
   0.00728       5000   548.8      0.   0.00475    217000. #Fitted_point
   0.00575      10000   522.5      0.   0.00334    217000. #Fitted_point
   0.00464      20000   497.5      0.   0.00235    217000. #Fitted_point
   0.00362      50000   466.1      0.   0.00147    217000. #Fitted_point
   0.00307     100000   443.6      0.   0.00103    217000. #Fitted_point
   0.00266     200000   421.9      0.   0.00072    217000. #Fitted_point
   0.00226     500000   394.7      0.   0.00044    217000. #Fitted_point
   0.00204    1000000   375.1      0.   0.00031    217000. #Fitted_point
   0.00185    2000000   356.4      0.   0.00021    217000. #Fitted_point
   0.00185   10000000   356.4      0.   0.00021    217000. #Fitted_point

#

2. History Magnification or Multiplication factor

3. Enter Elastic Kt*Nominal (or Finite Element) Stress History (Rainflow counted cycle sets) Below:

MPa !

Cycle Set #1 : Smax Smin Cycles
Cycle Set #2 : Smax Smin Cycles
Cycle Set #3 : Smax Smin Cycles
Cycle Set #4 : Smax Smin Cycles
Cycle Set #5 : Smax Smin Cycles
Cycle Set #6 : Smax Smin Cycles

1. Your Material (Digital-Fitted Curves):

2. History Magnification or Multiplication factor

3. Enter Elastic Kt*Nominal (or Finite Element) Stress History (Rainflow counted cycle sets) Below:

4. (Page will be submitted to UoWaterloo Website)