Material + Cycles File

#Material + Cycles File #

1. Your Material (Digital-Fitted Curves):


#
# Fitted Curve !
# SAE5140 Q+T Rc=32.8 Bhn=305
# ElecFurnace, ConCast(150x150mm), Heat Treated 1600F Quenched in
# Oil, 0.88inch bar.  100%Martensite,
# Inclusions: TypeA=2-2.5Thin, TypeB,C,D=none
# Test: UoToledo  F.Yin, A.Fatemi, July 2000.
# saedigcurve_v2.2.f starts.
#
#FileType= strain_life
#DataType= fitted
#Name= SAE5140
#Name= AisiIt_31
#Stress_units= MPa
#Strain_units= strain
#Sy= 956.7
#Su= 1039.2
#E= 209600 average of 17, initial reported=218000
#monotonic_K= 1276.1
#monotonic_n= 0.053
#MaterialForm= bar
#FractureStrain= 0.80
#FractureStress= 1445.
#%RA= 52.7
#FailureDef= 50% load drop
#BHN= 305
#Hardness, Rockwell C= 32.8
#Basic Oxygen= False
#Electric Furnace= True
#Vacuum Degas= False
#Ladle Refined= False
#Ingot Cast= False
#Continuous Cast= True
#Martensite, %= 100
#Carbon, %= 0.43
#Manganese, %= 0.81
#Phosphorus, %= 0.015
#Sulfur, %= 0.033
#Silicon, %= 0.25
#Copper, %= 0.16
#Nickel, %= 0.09
#Chromium, %= 0.81
#Molybdenum, %= 0.04
#Vanadium, %= 0.06
#Columbium/Niobium, %= 0.00
#Aluminum, %= 0.003
#Lead, %= 0.000
#Titanium, %= 0.002
#Calcium, %= 0.00
#Cobalt, %= 0.780
#Zirconium, %= 0.000
#Boron, %= 0
#Tin, %= 0.010
# SAE5140    AisiIt_31  BHN=  305 Fn=    0
#          Monotonic Props.       Cyclic Props.
#ELAS. MOD.= 30400. KSI,  210. GPA     K'        = 174.1 KSI,  1200.MPA
#YIELD,0.2%=   139. KSI,  957. MPA     N'        = 0.0900
#ULT. STRG.=   151. KSI, 1039. MPA     F. STRG COEF=  185.3 KSI, 1278.MPA
#K       =      0.0 KSI,      0. MPA   F.STRG EXP, b=-0.0669
#N            = 0.0000                 FAT DUCT COEF=   1.9990
#RED. IN AREA = 52.7                   F.DUCT EXP, c=-0.7433
#T. FRAC. STG.= 209.6 KSI, 1445. MPA   Exp Cyc Yld  =  100. Ksi, 686.MPA
#T. FRAC. STR.= 0.800                  Fit Cyc Yld  =  103. Ksi, 709.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!! Adjusted short life and fatigue limit manually.  FAC Aug2009
#Stress_Units= MPa
# Total Strain   2Nf  Stress  Mean   Plastic Strain   Initial
#    Amp               Amp   Stress      Amp        Elastic Mod.
    .80             1  1445.       0.    .793      209600. #Fitted_point manually
   0.02374        500   878.3      0.   0.01955    209600. #Fitted_point
   0.01562       1000   836.4      0.   0.01163    209600. #Fitted_point
   0.01070       2000   796.5      0.   0.00690    209600. #Fitted_point
   0.00701       5000   746.2      0.   0.00345    209600. #Fitted_point
   0.00542      10000   710.0      0.   0.00203    209600. #Fitted_point
   0.00441      20000   675.3      0.   0.00119    209600. #Fitted_point
   0.00360      50000   631.7      0.   0.00059    209600. #Fitted_point
   0.00321     100000   600.5      0.   0.00034    209600. #Fitted_point
   0.00292     200000   571.0      0.   0.00020    209600. #Fitted_point
   0.00265     500000   534.6      0.   0.00010    209600. #Fitted_point
   0.00249    1000000   509.2      0.   0.00006    209600. #Fitted_point
   0.00235    2000000   485.3      0.   0.00004    209600. #Fitted_point
    .00201    5000000   424.       0     .00006    209600  #Fitted_point manually
    .00201   10000000   424.       0     .00006    209600  #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)