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Questions and Answers
Which term describes the transition in amorphous materials from a hard and brittle state to a viscous or rubbery state as temperature increases?
Which term describes the transition in amorphous materials from a hard and brittle state to a viscous or rubbery state as temperature increases?
- Glass transition (correct)
- Melting
- Crystallization
- Vitrification
What is the name for an amorphous solid that exhibits a glass transition?
What is the name for an amorphous solid that exhibits a glass transition?
- Vitrification
- Glass (correct)
- Crystallization
- Melting
What is the glass-transition temperature (Tg) of a material?
What is the glass-transition temperature (Tg) of a material?
- The temperature at which a glass transitions into a crystalline state
- The temperature at which a glass transitions into a gas state
- The temperature at which a glass transitions into a rubbery state (correct)
- The temperature at which a glass transitions into a liquid state
Is the glass-transition temperature (Tg) always higher or lower than the melting temperature (Tm) of the crystalline state of the material?
Is the glass-transition temperature (Tg) always higher or lower than the melting temperature (Tm) of the crystalline state of the material?
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What is the reverse transition of the glass transition called?
What is the reverse transition of the glass transition called?
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