Sample Information

To get the sample, we contacted various of companies that research memory metals. After many rejections, we finally got a response from one of them. The company is called Shenzhen Ruihua Titanium Metal Technology Co. LTD, detailed information about the company will be introduced in the specific section below.

There are two products sent from the company, one is Nitinol spring and the other one is Nitinol wires. With the safety data sheet, we learnt that the material is not so dangerous that there is no need for special treatment.

The two kinds of samples indicate different properties.

For the spring, it shows its shape memory effect (SME). The nature of the property born from the mechanism for the Nitinol. As the phases transform under different temperature, the deformed spring can turn back to its original shape as before.

For the wire, it embodies the superelasticity. That means the applying stress would only cause elastic deformation but not plastic deformation, so it can return rapidly after the stress unloading.

Nitinol

Nitinol

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