Podcast
Questions and Answers
What is the main reason behind the unique properties of shape memory alloys (SMA's)?
What is the main reason behind the unique properties of shape memory alloys (SMA's)?
- Solid state phase change and molecular rearrangement (correct)
- Complex FCC structure
- Temperature-dependent crystal structures
- Composition of Nickel Titanium
Which phase of the shape memory metal alloy is hard, firm, and inelastic?
Which phase of the shape memory metal alloy is hard, firm, and inelastic?
- Copper Aluminum phase
- Austenite (correct)
- Martensite
- Nickel Titanium phase
What role does the martensite phase of the shape memory metal alloy play in its behavior?
What role does the martensite phase of the shape memory metal alloy play in its behavior?
- It is hard and inelastic, similar to austenite
- It maintains a complex FCC structure
- It is soft and elastic, allowing easy deformation (correct)
- It resembles titanium in its properties
What happens to the shape memory alloy as it is cooled to the martensite phase?
What happens to the shape memory alloy as it is cooled to the martensite phase?
What quality allows the shape memory alloy to reform to its original shape when the temperature is raised to the austenite phase?
What quality allows the shape memory alloy to reform to its original shape when the temperature is raised to the austenite phase?
What is pseudoelasticity in shape memory alloys (SMAs)?
What is pseudoelasticity in shape memory alloys (SMAs)?
What is the most common mix of shape memory alloys (SMAs) based on the text?
What is the most common mix of shape memory alloys (SMAs) based on the text?
How does pseudoelasticity (superelasticity) occur in shape memory alloys (SMAs)?
How does pseudoelasticity (superelasticity) occur in shape memory alloys (SMAs)?
What are Flexinol wires designed to do according to the text?
What are Flexinol wires designed to do according to the text?
In what biological applications can Nitinol wires be used based on the text?
In what biological applications can Nitinol wires be used based on the text?
What are the two unique properties exhibited by shape memory alloys (SMA's)?
What are the two unique properties exhibited by shape memory alloys (SMA's)?
What temperature dependent crystal structures do shape memory metal alloys exist in?
What temperature dependent crystal structures do shape memory metal alloys exist in?
What happens to the shape memory alloy as it is cooled to the martensite phase?
What happens to the shape memory alloy as it is cooled to the martensite phase?
What type of structure does the austenite phase of shape memory metal alloy have?
What type of structure does the austenite phase of shape memory metal alloy have?
What quality allows the shape memory alloy to reform to its original shape when the temperature is raised to the austenite phase?
What quality allows the shape memory alloy to reform to its original shape when the temperature is raised to the austenite phase?
What is the main characteristic of pseudoelasticity (superelasticity) in shape memory alloys (SMAs)?
What is the main characteristic of pseudoelasticity (superelasticity) in shape memory alloys (SMAs)?
What is the purpose of Flexinol wires, as mentioned in the passage?
What is the purpose of Flexinol wires, as mentioned in the passage?
What is the role of the martensite phase in shape memory metal alloy behavior?
What is the role of the martensite phase in shape memory metal alloy behavior?
What quality allows Nitinol wires to promote healing in biological applications?
What quality allows Nitinol wires to promote healing in biological applications?
What happens to Nitinol wires when subjected to a change in temperature, as mentioned in the passage?
What happens to Nitinol wires when subjected to a change in temperature, as mentioned in the passage?
