Podcast
Questions and Answers
What type of materials exhibit little or no yielding before failure?
What type of materials exhibit little or no yielding before failure?
- Creep materials
- Plastic materials
- Brittle materials (correct)
- Ductile materials
Which term refers to the entire area under the stress–strain diagram?
Which term refers to the entire area under the stress–strain diagram?
- Modulus of Toughness (correct)
- Modulus of Resilience
- Ductility Factor
- Creep
What is the ratio of modulus of toughness to the modulus of resilience called?
What is the ratio of modulus of toughness to the modulus of resilience called?
- Plasticity
- Fatigue
- Residual Stress
- Ductility Factor (correct)
Which condition involves a material deforming permanently due to stress above the elastic limit?
Which condition involves a material deforming permanently due to stress above the elastic limit?
What happens when a metal is subjected to repeated cycles of stress or strain?
What happens when a metal is subjected to repeated cycles of stress or strain?
At what point is the strain-energy density referred to as the modulus of resilience?
At what point is the strain-energy density referred to as the modulus of resilience?
What type of force is developed when one body exerts a force on another body without direct physical contact?
What type of force is developed when one body exerts a force on another body without direct physical contact?
In what type of material do physical and mechanical properties remain the same throughout its volume?
In what type of material do physical and mechanical properties remain the same throughout its volume?
What is the term used for the change in angle that occurs between two line segments originally perpendicular to each other?
What is the term used for the change in angle that occurs between two line segments originally perpendicular to each other?
What behavior results in a slight increase in stress above the elastic limit causing permanent deformation of the material?
What behavior results in a slight increase in stress above the elastic limit causing permanent deformation of the material?
What is the term for the stress that causes yielding in a material?
What is the term for the stress that causes yielding in a material?
What phenomenon results in a continuous rise of stress until reaching the ultimate stress while the specimen's cross-sectional area decreases?
What phenomenon results in a continuous rise of stress until reaching the ultimate stress while the specimen's cross-sectional area decreases?
