The development trend of shape memory alloy is analyzed

1. Iron based shape memory alloy

Iron - based shape memory alloys have many advantages such as high machining performance and high cost performance. In recent years, the research work mainly focuses on the mechanism of phase transition and its influencing factors. Suitable shape memory alloys were selected for distribution and exploration to improve the preparation process and properties of the alloys.

2. Magnetic shape memory alloy

This kind of shape memory alloy can produce strain under the action of huge magnetic field, so that the working frequency of shape memory alloy can be raised from temperature control state to magnetic control state, which gives full play to the function of magnetic driving shape memory alloy. Magnetic shape memory alloys are used to make sensors and drive components for the oil industry, electronics and aerospace industries, both of which play important roles in aviation.

3. High-temperature shape memory alloy

Many ordinary alloys can only be used at 100C, while a growing number of shape memory alloys can be used at temperatures above 100C. Shape memory alloying elements, such as those found in nuclear reactors, operate at temperatures above 600 degrees Celsius. Therefore, it is important to study the preparation of high temperature shape memory alloys. The application of high temperature shape memory alloys in many fields has a good prospect.