# #Copyright (C) 2010 F.A. Conle #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 #license, or (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 not, write to the Free Software #Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, #USA. Try also their web site: http://www.gnu.org/copyleft/gpl.html # # Fitted Curve ! # Weld metal of SAE1522 or CSA G40.12 structural steel. Bhn 155 # Welding: submerged arc of Oxweld No. 40 wire Linde 36 granular flux # Tested UoWaterloo David Robins MSc Thesis 1969 # Material cyclicly hardens at high strain ampl., softens at lower levels # Tensile test: Upper then lower yield behavior # Data derived from tables in thesis. FAConle 2010 #saedigcurve_v2.2.f starts. #FileType= strain_life #DataType= fitted #Name= WeldMetal #Name= SAE1522H #Name= CSA_G40.12 #Stress_units= MPa #Strain_units= strain #Sy= 262 # 38ksi #Su= 507 # 73.5 ksi #E= 206800 # Mod. reported as 30000 ksi #%RA= 62.3 #TrueFractureStress= 841. #TrueFractureStrain= .97 #MaterialForm= weldedBar #BHN= 165 # # WeldMetal SAE1522H BHN= 165 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 29994. KSI, 207. GPA K' = 129.6 KSI, 894.MPA #YIELD,0.2%= 38. KSI, 262. MPA N' = 0.1348 #ULT. STRG.= 74. KSI, 507. MPA F. STRG COEF= 102.7 KSI, 708.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0620 #N =-1.0140 FAT DUCT COEF= 0.1786 #RED. IN AREA = 62.3 F.DUCT EXP, c=-0.4602 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 56. Ksi, 387.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 55. Ksi, 382.MPA #No. fatigue data points= 12 # # 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. .97 1 841 0 .9659 206800. #TensileTest 0.01806 200 515.1 0. 0.01557 206800. #Fitted_point 0.01256 500 484.5 0. 0.01021 206800. #Fitted_point 0.00966 1000 462.6 0. 0.00743 206800. #Fitted_point 0.00754 2000 441.8 0. 0.00540 206800. #Fitted_point 0.00556 5000 415.7 0. 0.00355 206800. #Fitted_point 0.00451 10000 397.1 0. 0.00259 206800. #Fitted_point 0.00373 20000 379.3 0. 0.00189 206800. #Fitted_point 0.00298 50000 357.3 0. 0.00125 206800. #Fitted_point 0.00257 100000 341.6 0. 0.00092 206800. #Fitted_point 0.00226 200000 326.7 0. 0.00068 206800. #Fitted_point 0.00194 500000 308.3 0. 0.00045 206800. #Fitted_point 0.00176 1000000 295.2 0. 0.00034 206800. #Fitted_point 0.00162 2000000 282.8 0. 0.00025 206800. #Fitted_point 0.00146 5000000 267.4 0. 0.00017 206800. #Fitted_point #Warning ! : Fitted point below are EXTRAPOLATION 0.00137 10000000 256.4 0. 0.00013 206800. #Fitted_point 0.00128 20000000 246.0 0. 0.00010 206800. #Fitted_point 0.00119 50000000 232.8 0. 0.00007 206800. #Fitted_point 0.00113 100000000 223.4 0. 0.00005 206800. #Fitted_point # #