Define difference between elastic and plastic deformation

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Assignment - Mechanical Engineering Primary Bonds Questions

Description - Answer the following Review questions for each chapter. Depending on your book, these questions are either found at the end of the chapter or at the end of the book.

1. What is the difference between primary and secondary bonding in the structure of materials?

2. Define the difference between elastic and plastic deformation in terms of the effect on the crystal lattice structure.

3. Identify some materials that have a crystalline structure.

4. What are the three types of static stresses to which materi als are subjected?

5. State Hooke's law.

6. Define tensile strength of a material.

7. Define yield strength of a material.

8. What is hardness, and how is it generally tested?

9. Define viscosity of a fluid.

10. Define density as a material property.

11. Theoretically, the melting point and freezing point of a crystalline element, such as a metal, are the same tempera ture value, true or false?

12. When a solid metallic element is heated to its melting tem perature, it requires a certain amount of heat energy to transform to the liquid phase. What is the name of that heat energy?

13. What is thermal conductivity as a material property?

14. In machining operations, coolant fluids are often used to reduce cutting temperatures. What liquid material is almost always used as the base for these coolants because of its high heat-carrying capacity?

15. Name two manufacturing processes that depend on mass diffusion.

16. Why are metals better conductors of electricity than ceramics and polymers?

17. Name two examples of industrial processes that are based on electrolysis.

18. What is a dimension?

19. What is a tolerance?

20. What is accuracy in measurement?

21. What is precision in measurement?

22. What are some of the reasons why surfaces are important?

Reference no: EM133236743

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