# # Fitted Curve ! # SAE1070M : SlaterSteel C-70 Controlled Cooled Rc=23 # Con-Rod material. ElecFurn., ConCast(128x184mm billet) HotRolled to # 50.8mm bar, Specimens cut from As-Rolled. Connecting Rod applications # 80%Pearlite, 20%Ferrite # Inclusions: TypeA=0.5, TypeBCD= non obsv. # Test: M.Khalil and T.Topper, Dec. 1999, revised 2000 # saedigcurve_v2.2.f starts. #FileType= strain_life #DataType= fitted #Name= SAE1070M #Name= Slater_C-70 #Name= AisiIt_43 #Stress_units= MPa #Strain_units= strain #Sy= 765.0 #Su= 964.0 #E= 201000 #monotonic_K= 1315.0 #monotonic_n= 0.090 #FractureStrain= 0.197 #FractureStress= 1095 Original reported=837 lower than ultimate. #%RA= 16.8 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 241 #Hardness, Rockwell C= 23 #Basic Oxygen= False #Electric Furnace= True #Vacuum Degas= False #Ladle Refined= False #Ingot Cast= False #Continuous Cast= True #Pearlite, %= 80 #Ferrite, %= 20 #Carbon, %= 0.7 #Manganese, %= 0.98 #Phosphorus, %= 0.014 #Sulfur, %= 0.024 #Silicon, %= 0.28 #Copper, %= 0.02 #Nickel, %= 0.01 #Chromium, %= 0.11 #Molybdenum, %= 0.05 #Aluminum, %= 0.031 #Nitrogen, ppm= 33 # SAEC-70 AisiIt_43 BHN= 241 Fn= 0 # Monotonic Props. Cyclic Props. #ELAS. MOD.= 29153. KSI, 201. GPA K' = 234.0 KSI, 1614.MPA #YIELD,0.2%= 111. KSI, 765. MPA N' = 0.1671 #ULT. STRG.= 140. KSI, 964. MPA F. STRG COEF= 206.3 KSI, 1422.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.0937 #N = 0.0000 FAT DUCT COEF= 0.4695 #RED. IN AREA = 16.8 F.DUCT EXP, c=-0.5606 #T. FRAC. STG.= 121.4 KSI, 837. MPA Exp Cyc Yld = 83. Ksi, 571.MPA #T. FRAC. STR.= 0.197 Fit Cyc Yld = 83. Ksi, 569.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!! Short life and fatigue limit adjusted manually. FAC Aug2009 #Stress_Units= MPa # Total Strain 2Nf Stress Mean Plastic Strain Initial # Amp Amp Stress Amp Elastic Mod. .197 1 1095. 0 .191 201000. #Fitted_point manually 0.01010 2000 689.8 0. 0.00667 201000. #Fitted_point 0.00715 5000 635.6 0. 0.00399 201000. #Fitted_point 0.00567 10000 597.4 0. 0.00270 201000. #Fitted_point 0.00462 20000 561.4 0. 0.00183 201000. #Fitted_point 0.00366 50000 516.8 0. 0.00109 201000. #Fitted_point 0.00315 100000 485.2 0. 0.00073 201000. #Fitted_point 0.00276 200000 455.4 0. 0.00049 201000. #Fitted_point 0.00237 500000 418.4 0. 0.00029 201000. #Fitted_point 0.00214 1000000 392.2 0. 0.00019 201000. #Fitted_point 0.00180 3000000 360. 0 .0 201000. #Fitted_point manually 0.00180 10000000 360. 0 .0 201000. #Fitted_point manually #