1045 steel normalized 6061 t6 aluminum pmma tensile

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1045 Steel Normalized 6061-T6 Aluminum PMMA Tensile properties (from Tensile Test Lab) Young's modulus E GPa 113 209 62.9 3.25 Yield strength σ y MPa -- 506 277 -- Ultimate strength σ u MPa 246 764 305 81.0 Percent elongation %EL -- 0.75 15.4 10.7 7.37 Shape changes during deformation -- -- No observable deformation Observable elongation and necking Observable necking Almost no change Nature of fracture surface -- -- Failure was along the crystal plane with shiny Cup and cone fracture pattern with Cup and cone fracture pattern with Flat fracture plane with clear origin and 7 / 24
flat surface sharp edges orange peel effect near surface of fracture propagation Rockwell hardness (corrected for curvature) HRB -- 88.2 90.6 55.0 -- Brinell hardness (converted) HB kg f / mm 2 177 193 100 -- Compression properties Young's modulus E GPa 121 214 73.8 2.73 Yield strength σ y MPa -528 -500 -291 -78.5 Ultimate strength σ u MPa -793 -771 -343 -124 Shape changes during deformation -- -- Slighting Buckling Slight Buckling Visible buckling Visible bucking Nature of fracture surface -- -- No Fracture No Fracture No Fracture Total fracture with heat dispersed Rockwell hardness (corrected for HRB -- 97.5 91.9 52.9 - 8 / 24
curvature) Brinell hardness (converted) HB kg f / mm 2 225 195 100 - Brinell -- Si force units p=9.81 m/s 2 HB MPa 2207 1913 981 - Table 4. Comparison on Compression Test and Hardness Test Nature Ease of use Information Provided Compression Test Destructive Time Consuming Detailed and Abundant Information Hardness Test Nondestructive Quick and Easy Limited Information Table 5. Filenames for The Specimen Filenames for the specimen C5ACI C5BPMMA C5B6061 C5B1045 Hardness -0.04 -0.03 -0.03 -0.02 -0.02 -0.01 -0.01 0 -900 -800 -700 -600 -500 -400 -300 -200 -100 0 Engineering Stress vs. Engineering Strain Engineering Strain,ε (mm/mm) Engineering Stress, σ (MPa) Figure 1. Engineering Stress vs. Strain for Cast Iron 9 / 24
-0.01 -0.01 -0.01 -0.01 -0.01 0 0 0 0 0 -700 -600 -500 -400 -300 -200 -100 0 f(x) = Engineering Stress vs. Engineering Strain Engineering Strain,ε (mm/mm) Engineering Stress, σ (MPa) Figure 2. Engineering Stress vs. Strain of Elastic Region for Cast Iron -0.06 -0.05 -0.04 -0.03 -0.02 -0.01 0 -900 -800 -700 -600 -500 -400 -300 -200 -100 0 Stress vs. Strain Engineering Stress vs. Engineering Strain True Stress vs. True Strain Engineering Strain,ε (mm/mm) Engineering Stress, σ (MPa) 10 / 24
-0.01 -0.01 -0.01 -0.01 0 0 0 -1000 -900 -800 -700 -600 -500 -400 -300 -200 -100 0 f(x) = Engineering Stress vs. Engineering Strain Engineering Strain,ε (mm/mm) Engineering Stress, σ (MPa) Figure 3. Stress vs. Strain for 1045 Steel Normalized Figure 4. Engineering Stress vs. Strain of Elastic Region for 1045 Steel Normalized 11 / 24
-0.01 -0.01 -0.01 -0.01 0 0 0 0 0 -400 -350 -300 -250 -200 -150 -100 -50 0 f(x) = Engineering Stress vs. Engineering Strain Engineering Strain,ε (mm/mm) Engineering Stress, σ (MPa) 12 / 24
-0.04 -0.04 -0.03 -0.03 -0.02 -0.02 -0.01 0 0 -400 -350 -300 -250 -200 -150 -100 -50 0 Engineering Stress vs. Engineering Strain Engineering Strain,ε (mm/mm) Engineering Stress, σ (MPa) Figure 5. Engineering Stress vs. Strain for 6061 Aluminum Figure 6. Engineering Stress vs. Strain of Elastic Region for 6061 Aluminum 13 / 24
-0.45 -0.4 -0.35 -0.3 -0.25 -0.2 -0.15 -0.1 -0.05 0 -140 -120 -100 -80 -60 -40 -20 0 Engineering Stress vs. Engineering Strain Engineering Strain,ε (mm/mm) Engineering Stress, σ (MPa) Figure 7. Engineering Stress vs. Strain for PMMA 14 / 24
-0.05 -0.05 -0.04 -0.04 -0.03 -0.03 -0.02 -0.02 -0.01 -0.01 0 -120 -100 -80 -60 -40 -20 0 f(x) = Engineering Stress vs. Engineering Strain Engineering Strain,ε (mm/mm) Engineering Stress, σ (MPa) Figure 8. Engineering Stress vs. Strain of Elastic Region for PMMA 80 100

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