This crystalline metal changes phase around 50o
C. Bend it, then drop it into hot water and watch it return to its original shape! Can be set into different shapes by heating with a candle flame. (0.0297" diameter)
Austinite Strain Temperature, AS
Austinite Peak Temperature, AP
= 69 to 70 o
Austinate Final Temperature, AF
= 73 to 74 o
Martensite Strain Temperature, MS
= 41 o
Martensite Peak Temperature, MP
= 35 to 36 o
Martensite Final Temperature, MF
= 27 to 28 o
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Great stuff - know your material!
Mar 30, 2016 | By Warren Buckles of Madison, WI United States
Super cool and draws people in
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Nitinol Memory Wire
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Nitinol memory wire
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This product will support your students' understanding of the Next Generation Science Standards (NGSS)*, as shown in the table below.
Suggested Science Idea(s)
Students can analyze data obtained from testing different materials to determine which materials have the properties that are best suited for an intended purpose.
Students can use the Nitinol Wire in an investigation to construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot.
Students can use Nitinol Wire to make observations and measurements to identify materials based on their properties.
Students can analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
Students can use Nitinol Wire to develop a model that predicts and describes changes in particle motion, temperature, and state of pure substance when thermal energy is added or removed.
Students can use Nitinol Wire in the design of a project. Students can construct, test, and modify a device that either releases or absorbs thermal energy.
Students can use observations made of the Nitinol Wire as evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which the reaction occurs.
Students will observe and communicate scientific information about why the molecular-level structure is important in the functioning of a material.
Students can conduct simple tests using Nitinol Wire to understand the rate at which the wire will straighten when immersed in hot water. Students can run trials to evaluate Nitinol Wire based on its properties and/or the reactions.
* NGSS is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards were involved in the production of, and do not endorse, this product.