SAE Standard Data File: SRIM Composite

#SAE Standard Data File: SRIM Composite # #

Pick one: #FDE_plot #FDE_fit #
#Note: This file will not process for Coffin-Manson fit
#

#<pre> 
# 
#FileType= strain_life 
#DataType= fitted 
#TIMEcol= 0 
#Name= SMC-R50_Fitted 
#Name= polymer_composite
#Name= medianCurve
#
#Copyright (C) 2011  Fatigue Design and Evaluation Comm. 
#This data file is free software; you can redistribute it and/or 
#modify it under the terms of the GNU General Public License as 
#published by the Free Software Foundation; either version 2 of the 
#licenseor (at your option) any later version.  
#This data file is distributed in the hope that it will be useful 
#but WITHOUT ANY WARRANTY; without even the implied warranty of 
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
#GNU General PUblic License for more details. 
#You should have received a copy of the GNU General PUblic License 
#along with this program; if notwrite to the Free Software  
#FoundationInc.59 Temple Place - Suite 330BostonMA 02111-1307USA  
#Try also their web site: http://www.gnu.org/copyleft/gpl.html 
# 
# Fitted median data Curve!  
# smc-R50CyclicSS_fitted.txt  Isophthalic Polyester resin  
# Owens Corning SMC-R50 Sheet 12x18x0.10 inch sheets 
# Sheet molding compound w. 50% chopped 25mm E-glass fibers 
# randomly orientated in plane of sheet.Calcium carbonate filler. 
# Ref.: "The Mechanical Properties of an SMC-R50 Composite"  
# D.L.Denton ed.  Owens-Corning Fiberglass Corp. 1979. 
# Data digitized manually from plots in Ref. 
# 
#_E= 15600 mpa (Initial tensile modulus  23degC )  
#Note: E modulus is a function of cycles 
#E= 13000 mpa (assumed cyclic modulus) 
#Su= 164 mpa 
#eu= 0.0173   strain # Ultimate strain = fracture 
#true_fracture_strain= 0.0173 
#true_fracture_stress= 164. mpa 
#Use Ref.'s plot of secant modulus to get 1/2 Life StrainAmp: 
#Strain_Amp = Sa / Es  at Nf/2
#
# Str_Ampl    2Nf     Sts_Amp_mpa    MeanSts     PlsStrAmp     InitialMod.
0.0173   2   164   0   0   13000  
0.01   200   98.7   0   0   13000
0.006   12900   63   0   0   13000
0.0041   237000   45.8   0   0   13000
0.0038   984000   43   0   0   13000
0.00339   2000000   39.2   0   0   13000
0.00329   2880000   38.3   0   0   13000
0.00329   20000000   38.3   0   0   13000
#