the effect of carbon content of the mechanical properties - McMaster ...

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4.5.4. Electropolishing ....................................................................................... 43 4.5.5. TEM Sample Preparation ......................................................................... 43 4.6 Materials Characterization Techniques ............................................................ 44 4.6.1. Scanning Electron Microscopy (SEM) ...................................................... 44 4.6.2. Electron BackScattered Diffraction (EBSD) ............................................. 45 4.6.3. Transmission Electron Microscope (TEM) ............................................... 46 4.6.4. X-Ray Diffraction (XRD) ......................................................................... 46 5. Results ................................................................................................................... 48 5.1 As-Annealed Steels ......................................................................................... 48 5.2 Mechanical Properties ..................................................................................... 51 5.2.1. Monotonic Tensile Behaviour to Fracture ................................................. 51 5.2.2. Work Hardening Response ....................................................................... 55 5.2.3. Kinematic Hardening ............................................................................... 56 5.2.4. XRD Phase Analysis ................................................................................ 60 5.3 0.6C Alloy Microstructural Evolution vs. Strain .............................................. 62 5.3.1. SEM Observations.................................................................................... 62 5.3.2. EBSD Phase Maps ................................................................................... 65 5.4 0.4C Alloy Microstructural Evolution vs. Strain .............................................. 67 5.4.1. SEM Observations.................................................................................... 67 viii
5.4.2. EBSD Phase Maps.................................................................................... 68 5.4.3. TEM Analysis .......................................................................................... 70 5.5 0.2C Alloy Microstructural Evolution vs. Strain .............................................. 77 5.5.1. SEM Observations .................................................................................... 77 5.5.2. EBSD Phase Maps.................................................................................... 78 5.5.3. TEM Analysis .......................................................................................... 80 5.6 Fracture ........................................................................................................... 85 5.6.1. 0.6C Alloy ................................................................................................ 86 5.6.2. 0.4C Alloy ................................................................................................ 88 5.6.3. 0.2C Alloy ................................................................................................ 91 6. Dicussion ............................................................................................................... 94 6.1 0.6C Alloy Summary & Analysis..................................................................... 94 6.2 0.4C Alloy Summary & Analysis..................................................................... 97 6.3 Modeling 0.6C and 0.4C Mechanical Behaviour ............................................ 100 6.4 0.2C Alloy Summary & Analysis................................................................... 111 6.5 Modeling 0.2C Mechanical Behaviour ........................................................... 113 6.6 Analysis on Effect <strong>of</strong> Carbon Content ............................................................ 118 7. Conclusions ......................................................................................................... 121 8. References ........................................................................................................... 125 ix
Page 1: THE EFFECT OF CARBON CONTENT OF THE
Page 4 and 5: Master of Applied Science (2010) Mc
Page 6 and 7: The kinematic hardening contributed
Page 8 and 9: TABLE OF CONTENTS Abstract ........
Page 12 and 13: 9. APPENDIX .......................
Page 14 and 15: Figure 2.13 Illustration of TWIP ef
Page 16 and 17: Figure 5.13 XRD ε-Martensite Phase
Page 18 and 19: LIST OF TABLES Table 4.1 Chemical C
Page 20 and 21: M.A.Sc. Thesis - E. E. Yang McMaste
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M.A.Sc. Thesis - E. E. Yang McMaste
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