Material + Cycles File

#Material + Cycles File #

1. Your Material (Digital-Fitted Curves):


#
#
#AISI Bar Fatigue Data.  SAE1141 with Aluminum
#FileType= strain_life
#DataType= fitted
#Name= SAE1141AL
#Name= AisiIt_12
#Stress_units= MPa
#Strain_units= strain
#Sy= 814.2
#Su= 924.8
#E= 227000
#monotonic_K= 1204.8
#monotonic_n= 0.074
#LowerYield= 811.6
#UpperYield= 835.7
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 277
#Hardness, Rockwell B= 27.9
#StrAmp  2Nf StsAmp  So CalcPlasStr InitialModulus
#Basic Oxygen= True
#Electric Furnace= False
#Vacuum Degas= False
#Ladle Refined= True
#Ingot Cast= False
#Continuous Cast= True
#Martensite, %= 100
#Carbon, %= 0.44
#Manganese, %= 1.57
#Phosphorus, %= 0.01
#Sulfur, %= 0.13
#Silicon, %= 0.16
#Copper, %= 0.09
#Nickel, %= 0.09
#Chromium, %= 0.11
#Molybdenum, %= 0.02
#Vanadium, %= 0.01
#Columbium/Niobium, %= 0.00
#Aluminum, %= 0.019
#Boron, %= 0.002
# SAE1141AL  AisiIt_12  BHN=  277 Fn=    0
#          Monotonic Props.       Cyclic Props.
#ELAS. MOD.= 32924. KSI,  227. GPA     K'        = 187.2 KSI,  1291.MPA
#YIELD,0.2%=   118. KSI,  814. MPA     N'        = 0.1233
#ULT. STRG.=   134. KSI,  925. MPA     F. STRG COEF=  160.8 KSI, 1109.MPA
#K       =      0.0 KSI,      0. MPA   F.STRG EXP, b=-0.0630
#N            = 0.0000                 FAT DUCT COEF=   0.2917
#RED. IN AREA =  0.0                   F.DUCT EXP, c=-0.5106
#T. FRAC. STG.=   0.0 KSI,    0. MPA   Exp Cyc Yld  =   87. Ksi, 600.MPA
#T. FRAC. STR.= 0.000                  Fit Cyc Yld  =   86. Ksi, 592.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 edited fatigue limit points. FAC May09
#Stress_Units= MPa
# Total Strain   2Nf  Stress  Mean   Plastic Strain   Initial
#    Amp               Amp   Stress      Amp        Elastic Mod.
   0.29659          1  1096.4      0.   0.29176    227000. #Fitted_point
   0.20944          2  1049.5      0.   0.20481    227000. #Fitted_point
   0.13267          5   990.5      0.   0.12830    227000. #Fitted_point
   0.09425         10   948.2      0.   0.09008    227000. #Fitted_point
   0.06724         20   907.6      0.   0.06324    227000. #Fitted_point
   0.04340         50   856.7      0.   0.03963    227000. #Fitted_point
   0.03144        100   820.1      0.   0.02783    227000. #Fitted_point
   0.02300        200   785.0      0.   0.01954    227000. #Fitted_point
   0.01552        500   741.0      0.   0.01226    227000. #Fitted_point
   0.01174       1000   709.4      0.   0.00861    227000. #Fitted_point
   0.00905       2000   679.2      0.   0.00605    227000. #Fitted_point
   0.00663       5000   641.3      0.   0.00380    227000. #Fitted_point
   0.00538      10000   614.0      0.   0.00268    227000. #Fitted_point
   0.00448      20000   588.0      0.   0.00189    227000. #Fitted_point
   0.00364      50000   555.4      0.   0.00119    227000. #Fitted_point
   0.00318     100000   532.0      0.   0.00084    227000. #Fitted_point
   0.00284     200000   509.7      0.   0.00059    227000. #Fitted_point
   0.00250     500000   481.7      0.   0.00038    227000. #Fitted_point
   0.00230    1000000   461.6      0.   0.00027    227000. #Fitted_point
   0.00185    4000000   400.5      0.   0.00008    227000. #Fitted_point
   0.00185   10000000   400.5      0.   0.00008    227000. #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)