Podcast
Questions and Answers
What is the primary reason why phase volume fractions are preferred over mass fractions in multiphase alloys?
What is the primary reason why phase volume fractions are preferred over mass fractions in multiphase alloys?
- Volume fractions are easier to calculate.
- Volume fractions are more accurate.
- Volume fractions may be determined from examination of the microstructure. (correct)
- Volume fractions are used to estimate the mechanical properties of an alloy.
What is the relationship between the composition axis and the phase fractions computed using the lever rule?
What is the relationship between the composition axis and the phase fractions computed using the lever rule?
- The composition axis is scaled in mole percent.
- The composition axis is scaled in volume percent.
- The composition axis is scaled in atomic percent.
- The composition axis is scaled in weight percent. (correct)
What is the primary use of the lever rule in phase diagrams?
What is the primary use of the lever rule in phase diagrams?
- To estimate the mechanical properties of an alloy.
- To determine the microstructure of an alloy.
- To compute mass fractions of phases. (correct)
- To identify the phases present in an alloy.
What is the benefit of expressing phase amounts in terms of volume fractions?
What is the benefit of expressing phase amounts in terms of volume fractions?
How do the mechanical properties of solid isomorphous alloys change with composition?
How do the mechanical properties of solid isomorphous alloys change with composition?
What is the term for the strengthening of an alloy by the presence of solute atoms?
What is the term for the strengthening of an alloy by the presence of solute atoms?
What is the primary advantage of using microstructure analysis in alloy development?
What is the primary advantage of using microstructure analysis in alloy development?
What is the definition of Va in the context of phase diagrams?
What is the definition of Va in the context of phase diagrams?
Why are phase diagrams useful in alloy development?
Why are phase diagrams useful in alloy development?
What is the assumption made about the temperature in the analysis of mechanical properties of solid isomorphous alloys?
What is the assumption made about the temperature in the analysis of mechanical properties of solid isomorphous alloys?
