MSE 210 Phase Equilibrium Diagrams Lecture 6

MSE 210 Phase Equilibrium Diagrams Lecture 6 - Phase...

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Unformatted text preview: Phase Equilibrium Diagrams Lecture 6 Lab Report Due Dates Experiment Due Date Tensile test 2/20 Impact test 2/27 Phase diagrams and microstructure 3/12 X-ray diffraction 3/26 Scanning electron microscopy 4/2 Magnetic 4/9 Photoluminescence 4/16 Lab Reports Grammar-Switch tense-we did this, the students did .. , vs the samples were annealed at , Abstract- what did vs results; can be quantitative; not what one can read in Callister Results- no graphs Discussion- relate results to fundamental concepts in introduction; not a re-statement in words of results Conclusion- clear and concise Read what report requirements are- no points if not included Email addresses Equilibrium Phase Diagrams Cooling curves (differential scanning calorimeter, differential thermal analysis) Phase transformations Phase diagrams ( x-ray diffraction) Microstructure (optical and scanning electron microscopy) Phase Transformations Heat evolved or absorbed during a transformation results from a change in energy of the system Exothermic- heat evolved ( liquid freezes, heat of solidification) Endothermic- heat absorbed ( liquid evaporates, heat of vaporization) Temperature does not change for a material at a transformation point in pure elements; more complicated for alloys Phase Diagrams Indicate phases as function of T , C o , and P ....
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MSE 210 Phase Equilibrium Diagrams Lecture 6 - Phase...

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