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Physical Metallurgy Recap Lecture #4

Physical Metallurgy Recap Lecture #4. John Hanson 9/20/12. 3D to 2D Projections. 100 Stereographic Projection (Cubic Crystal). 3D to 2D Projections. 100 Stereographic Projection (Cubic Crystal). 3D to 2D Projections. 100 Stereographic Projection (Cubic Crystal). 3D to 2D Projections.

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Physical Metallurgy Recap Lecture #4

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  1. Physical Metallurgy RecapLecture #4 John Hanson 9/20/12

  2. 3D to 2D Projections 100 Stereographic Projection (Cubic Crystal)

  3. 3D to 2D Projections 100 Stereographic Projection (Cubic Crystal)

  4. 3D to 2D Projections 100 Stereographic Projection (Cubic Crystal)

  5. 3D to 2D Projections 48 symmetric triangles Studying anisotropies requires measuring over 4π/48 rather than the entire sphere

  6. Anisotropy and Material Properties Properties

  7. Anisotropy and Material Properties Properties Single vs. Poly Crystals

  8. Anisotropy and Material Properties Properties Single vs. Poly Crystals Processing Random

  9. Anisotropy and Material Properties Properties Single vs. Poly Crystals Processing Drawing Rolling Random

  10. Anisotropy and Material Properties Properties Single vs. Poly Crystals Processing Drawing Rolling Random Preferred

  11. Euler Angles • Series of three rotations: Source: Euler Angles - Wikipedia

  12. Euler Angles • Series of three rotations: Source: Euler Angles - Wikipedia

  13. My Work: Hydrogen Embrittlement • In situ TEM straining is employed to further study “strongest links”

  14. My Work: Hydrogen Embrittlement • In situ TEM straining is employed to further study “strongest links” • Prior to straining, EBSD is used to map grain structure of sample 100 μm SEM image

  15. My Work: Hydrogen Embrittlement • Inconel 725 SEM image overlaid with EBSD data

  16. My Work: Hydrogen Embrittlement • Pure Nickel SEM image overlaid with EBSD data

  17. My Work: Hydrogen Embrittlement • Pure Nickel SEM image overlaid with EBSD data

  18. Questions/comments?

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