#
# #FileType= strain_life #DataType= fitted #TIMEcol= 0 #Name= PolyCarbonateGlass_Fitted #Name= polymer_composite # #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 data Curve! # PolyCarbonate 40%(weight) E-Glass (Fibers 0.02mm mostly) # Injection molded into ASTM D638 Type I tensile spec. # Original testing done at R=0.1 Load control. # Ref.: J.F.Mandell, D.D.Huang, F.J.McGarry, "Fatigue of Glass and Carbon # Reinforced Engineering Thermoplastics," Polym. Composites, V2 N3 July, # 1981 pp.137-144. Data digitized manually from plots in Ref. # Converted to fully reversed results using Tensile stress-strain cuve # and Neuber Product plot of sqrt(Smax*Sa) # #Stress_units= mpa #Strain_units= strain #E= 18300 mpa (Initial tensile modulus from digitized tens. curve ) #Note: E modulus reported to soften with cycles. Amount not reported # #Su= 156 mpa #eu= 0.0175 strain # Ultimate strain close to fracture #true_fracture_strain= 0.0175 #true_fracture_stress= 156. mpa # # Str_Ampl 2Nf Sts_Amp_mpa MeanSts PlsStrAmp InitialMod. NeubAmpl .0175 1 156 0 .0090 18300 223 #computed from tens tests 0.0067734 28 86 0 .0021 18300 103 .0048944 403 69 0 .0011 18300 79 0.0033264 19800 56 0 .0003 18300 58 0.0024034 310000 44 0 .0 18300 44 0.00198 2000000 38 0 .0 18300 37 #