Mechanical Metallurgy Practice Test 8

1. The strain rate sensitivity (m) in the superplastic material is __________

2. The power-law relation is used to describe the ____________

3. The liquid metal embrittlement is a combined effect of solid metal surface attacked by _________

4. In the following diagram, energy vs. temperature shows steel of three different compositions. Based on the curve, find the correct order of amount of carbon present in the steel?

5. As the temperature increases in polycrystalline metal, the nature of fracture change from _____________ to __________

6. Which of the following is not an indirect-compression process?

7. The hydrogen embrittlement is most severe ___________

8. Which of the following element does not increase the susceptibility of steel towards temper embrittlement?

9. Which if the following metal working process breaks the material into two parts after the process is completed?

10. The strengthening mechanism i.e., the strain aging increases the strength and decreases the transition temperature of the metal.