Memory metals, also known as shape-memory alloys, work through a process called martensitic transformation. This transformation occurs when the metal is heated and cooled, causing its crystal structure to change. The shape-memory effect is a result of this transformation, allowing the metal to return to its original shape after being deformed.
Memory metals have a wide range of applications, including medical devices such as stents and orthodontic wires, aerospace components like actuators and valves, and consumer products like eyeglass frames and coffee mugs.
Memory metals have unique properties that distinguish them from regular metals. They have a specific composition and crystal structure that allows them to undergo martensitic transformation, giving them the ability to remember and return to their original shape.
Yes, memory metals can be controlled through the manipulation of temperature and stress. By heating and cooling the metal, its shape-memory effect can be activated or deactivated. Additionally, applying stress to the metal can also trigger the martensitic transformation.
Yes, memory metals have been extensively studied and used in various medical devices for decades. They are biocompatible and have been tested for safety and effectiveness. However, as with any medical device, proper handling and usage is necessary to ensure patient safety.