ME2256 - STRENGTH OF MATERIALS LABORATORY

1. Determine the following properties of mild steel and to study the type and character of fracture.

(a) Modulus of Elasticity

(b) Yield strength

(c) Ultimate strength.

2. Determine the following properties of mild steel and to study the type and character of fracture.

(a) Nominal breaking strength

(b) % of elongation

(c) % of reduction in Area.

3. Draw the stress strain diagram's for the mild steel.

4. Determine the shear strength of the given mild steel rod by using UTM.

5. Determine the Double shear strength of the Aluminium rod by using UTM.

6. Determine the modulus of rigidity of the mild steel by Torsional testing machine.

7. Determine the Rockwell hardness number for hard materials (take three samples).

8. Determine the Rockwell hardness number for very hard materials (take three samples).

9. Find the surface hardness of the given specimen using Brinell hardness tester.

10. Find out the modulus of elasticity of the given material in De

ection of Beams.

11. Conduct a compression test on the given helical spring and determine the shear modulus of

rigidity.

12. Conduct a compression test on the given helical spring and determine the sti ness of the

spring.

13. Determine the strain measurement using Rosette strain gauge.

14. Determine the e ect of hardening improvement in hardness of steels.

15. Determine the e ect of hardening - impact resistance of steels.

16. Find out the Tempering improvement mechanical properties comparison for unhardened spec-

imen.

17. Find out the Tempering improvement mechanical properties comparison for Quenched speci-

men.

18. Find out the Tempering improvement mechanical properties comparison for Quenched and

Tempered Specimen and Draw the comparison graph.

19. Draw the diagrams for hardened samples in microscopic examination.

20. Draw the diagrams for hardened and Tempered samples in microscopic examination.