1. Lab #3 Report due TODAY Individual Data Processing and Individual Write Up Lab #3 Report is due TODAY by midnight Answer Multiple Choice Questions ONLINE TODAY Answer Student Survey ONLINE TODAY Submit Lab Report #3 in the drawer labeled “MECE204-Strength Lab” beneath M. E. Mail Folders

2. Lab #3 Report Cover Page + Abstract Data Sheet Spreadsheet Plot #1: Entire Shear Stress-Strain Curve Plot #2: Shear Modulus Plot #3: Proportional Limit Material Property Tables (two tables) + Fracture Surface Comments and Conclusions

3. Bending Test Study Elastic Bending of a Beam Formulation: bending a cantilevered beam Maximum load for elastic deformation Conduct Bending Test Determine Elastic Modulus & Poisson’s Ratio of material Comparison to handbook value and previous Lab #1 results

4. Pure Bending Material Assumptions Homogeneous Isotropic Geometry/Load Assumptions X-section has a plane of symmetry Bending moment applied in that plane

5. Deformation Grids

6. Neutral Axis and Strain (elastic and plastic range)

7. Elastic Strain & Stress Distribution

8. Elastic Strain and Stress

9. I = Area Moment of Inertia b h

10. Cantilevered Beam

11. Bending Moment along the beam M = Px

12. Measuring Strain on surface

13. Estimating Maximum Load

14. Poisson’s Effect

15. Bending Test Data Sheet

16. Conduct the Bending Test Please initialize the Strain Meter a couple of times to ensure that it indicates zero strains at zero load, and that there is NO DRIFT with time

17. Key Equations

18. Processing Data

19. Elastic Modulus Plot

20. Poisson’s Ratio Plot

21. Material Properties

22. Lab #3 Report due TODAY Individual Data Processing and Individual Write Up Lab #3 Report is due TODAY by midnight Answer Multiple Choice Questions ONLINE TODAY Answer Student Survey ONLINE TODAY Submit Lab Report #3 in the drawer labeled “MECE204-Strength Lab” beneath M. E. Mail Folders