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Experiment 2 – Basic Mechanical Properties

Experiment 2 – Basic Mechanical Properties. ENG-45, Properties of Materials Department of Chemical Engineering and Materials Science University of California, Davis. Matt Camilleri and Mike Meier, 2004. Folsom Dam Gate Failure, July 1995. Objectives. Instron image.

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Experiment 2 – Basic Mechanical Properties

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  1. Experiment 2 – Basic Mechanical Properties ENG-45, Properties of Materials Department of Chemical Engineering and Materials Science University of California, Davis Matt Camilleri and Mike Meier, 2004 Folsom Dam Gate Failure, July 1995

  2. Objectives Instron image • Understand Mechanical Testing: • Methods • Meaning of specific mechanical properties • Tensile and hardness testing

  3. Instron image

  4. Tensile Specimens and Apparatus

  5. Tensile Specimens and Apparatus

  6. Tensile Specimens and Apparatus

  7. Tensile Specimens and Apparatus

  8. Tensile Test Concept

  9. Tensile Test Concept Crosshead & Load Cell Clamp Specimen Clamp

  10. Tensile Test Concept

  11. Tensile Test Concept

  12. Tensile Test Concept

  13. Tensile Test Concept

  14. Tensile Test Concept

  15. Tensile Test Concept

  16. This slide is hidden and is used for note printing to consolidate following sequence During the Tensile Test

  17. During the Tensile Test Force Elongation

  18. During the Tensile Test Force Elongation

  19. During the Tensile Test Force Elongation

  20. During the Tensile Test Force Elongation

  21. Results and Analysis

  22. Results and Analysis

  23. Results and Analysis

  24. Results and Analysis

  25. Results and Analysis C2600 Brass, half hard Cold Rolled 1018 Steel Stress (Mpa) Annealed 1018 Steel Copper 6061-T651 Aluminum Strain (mm/mm)

  26. Hardness Testing Apparatus

  27. Hardness Testing Apparatus

  28. Hardness Testing Apparatus

  29. Hardness Testing Apparatus

  30. Hardness Testing Apparatus

  31. Hardness Testing Concept Indentor Sample

  32. Hardness Testing Concept Pre-Load Indentor Sample

  33. Hardness Testing Concept Load Indentor Sample

  34. Hardness Testing Concept Load Released Indentor d1 Sample

  35. Hardness Testing Concept Indentor d2 Sample

  36. Results

  37. Results

  38. Results

  39. Results

  40. Results

  41. Results

  42. Results

  43. Results

  44. Summary • Force-elongation vs. stress-strain. • Elastic vs. plastic deformation. • Young’s modulus, yield strength, tensile strength, strain hardening, ductility, energy capacity, plus hardness. • Material selection & trade-offs. • Other mechanical tests.

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