Material + Cycles File

#Material + Cycles File #

1. Your Material (Digital-Fitted Curves):


#
#FileType= strain_life
#DataType= fitted
#Name= SAE4130_AL
#Name= AisiIt_29
#Name= steel_bar_stock
#Stress_units= MPa
#Strain_units= strain
#Sy= 1284.5
#Su= 1482.8
#E= 213000
#monotonic_K= 1984.2
#monotonic_n= 0.067
#FractureStrain= 0.60  #true strain
#FractureStress= 2055  #true stress
#%RA= 44.3
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 442
#Hardness, Rockwell C= 46
#Basic Oxygen= False
#Electric Furnace= True
#Vacuum Degas= False
#Ladle Refined= False
#Ingot Cast= False
#Continuous Cast= True
#Martensite, %= 100
#Carbon, %= 0.32
#Manganese, %= 0.55
#Phosphorus, %= 0.01
#Sulfur, %= 0.022
#Silicon, %= 0.27
#Copper, %= 0.01
#Nickel, %= 0.07
#Chromium, %= 0.96
#Molybdenum, %= 0.17
#Vanadium, %= 0.01
#Columbium/Niobium, %= 0.00
#Aluminum, %= 0.031
#Lead, %= 0.000
#Titanium, %= 0.003
#Cobalt, %= 0.010
#Boron, %= 0.0003
#Tin, %= 0.010
# SAE4130_AL AisiIt_29  BHN=  442 Fn=    0
#          Monotonic Props.       Cyclic Props.
#ELAS. MOD.= 30893. KSI,  213. GPA     K'        = 310.5 KSI,  2141.MPA
#YIELD,0.2%=   186. KSI, 1285. MPA     N'        = 0.1362
#ULT. STRG.=   215. KSI, 1483. MPA     F. STRG COEF=  320.3 KSI, 2209.MPA
#K       =      0.0 KSI,      0. MPA   F.STRG EXP, b=-0.0967
#N            = 0.0000                 FAT DUCT COEF=   1.2587
#RED. IN AREA = 44.3                   F.DUCT EXP, c=-0.7101
#T. FRAC. STG.=   0.0 KSI, 2055. MPA   Exp Cyc Yld  =  133. Ksi, 918.MPA
#T. FRAC. STR.= 0.000                  Fit Cyc Yld  =  133. Ksi, 915.MPA
#No. fatigue data points=   18
#
# NOTE!! The Following Points are <b>FITTED DATA:</b>
#NOTE!! Fitted Stress computed using Experm. K' and n'
#Stress_Units= MPa
# Total Strain   2Nf  Stress  Mean   Plastic Strain   Initial
#    Amp               Amp   Stress      Amp        Elastic Mod.
   0.60             1  2055        0.    .590      213999. #Fitted_point Manually(tens. test)
   0.02094        500  1210.1      0.   0.01526    213000. #Fitted_point
   0.01464       1000  1131.1      0.   0.00933    213000. #Fitted_point
   0.01067       2000  1057.2      0.   0.00571    213000. #Fitted_point
   0.00752       5000   967.1      0.   0.00298    213000. #Fitted_point
   0.00607      10000   904.1      0.   0.00183    213000. #Fitted_point
   0.00509      20000   845.4      0.   0.00112    213000. #Fitted_point
   0.00422      50000   773.8      0.   0.00059    213000. #Fitted_point
   0.00376     100000   723.8      0.   0.00036    213000. #Fitted_point
   0.00340     200000   677.1      0.   0.00022    213000. #Fitted_point
   0.00303     500000   620.0      0.   0.00012    213000. #Fitted_point
   0.00280    1000000   580.0      0.   0.00007    213000. #Fitted_point
   0.00259    2000000   542.5      0.   0.00004    213000. #Fitted_point
   0.0025     3000000   530.       0.    .0        213000. #Fitted_point Manually.
   0.0025    10000000   530.       0.    .0        213000. #Fitted_point Manually.

#

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)