True/False: Water and ice have the same chemical formula, so they are the same p

Question

True/False: Water and ice have the same chemical formula, so they are the same phase. True/False: Hardness is proportional to tensile strength. True/False: Recovery is the first stage in the in the removal of the effects of cold working when a cold - worked metal is slowly heated. True/False: True stress is always smaller than the engineering stress. Impurities tend to concentrate at dislocations. Short answer: A solid phase transforms into two other solid phases upon cooling, and the reverse reaction occurs upon heating. It is called a ___ reaction. Short answer: The temperature at which recrystallization reaches completion in is called recrystallization temperature. Short answer: As cold work is increased, ductility ___, tensile strength, yield strength ___.

Explanation / Answer

7. False

8.True

9. True

10.False

11. True

12. Eutectoid

13. Cold worked metal

14. As cold working increases, ductility decreases, tensile strength increases, yield strength increases.

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