shape memory alloy

简明释义

记形合金

英英释义

例句

1.In medical devices, shape memory alloys (形状记忆合金) are used for stents that expand upon body heat.

在医疗设备中，形状记忆合金 (形状记忆合金) 被用于在体温下扩展的支架。

2.Dental braces made from shape memory alloys (形状记忆合金) can provide better comfort and effectiveness.

由形状记忆合金 (形状记忆合金) 制成的牙齿矫正器可以提供更好的舒适度和效果。

3.The new robotic arm uses a shape memory alloy (形状记忆合金) to adapt its grip based on the object it is holding.

新的机器人手臂使用形状记忆合金 (形状记忆合金) 来根据所持物体的不同调整其抓握方式。

4.The deployment mechanism of the satellite utilizes a shape memory alloy (形状记忆合金) to unfold its solar panels.

卫星的展开机制利用形状记忆合金 (形状记忆合金) 来展开其太阳能电池板。

5.In aerospace engineering, shape memory alloys (形状记忆合金) are used for actuators that change shape with temperature variations.

在航空航天工程中，形状记忆合金 (形状记忆合金) 被用作随着温度变化而改变形状的执行器。

作文

Shape memory alloys (SMAs) are remarkable materials that have the ability to return to a predefined shape when heated above a certain temperature. This unique property makes them highly useful in various applications, ranging from medical devices to aerospace engineering. The fundamental principle behind shape memory alloy (形状记忆合金) behavior lies in the phase transformation of the material. When an shape memory alloy (形状记忆合金) is deformed at a lower temperature, it can 'remember' its original shape and will revert to it upon heating. This phenomenon occurs due to the specific arrangement of atoms within the alloy, which can shift between different crystalline structures depending on the temperature.One of the most commonly used shape memory alloys (形状记忆合金) is nickel-titanium (NiTi), which is also known as Nitinol. Nitinol is particularly favored in the medical field for its biocompatibility and unique properties. For instance, it is used in stents that can expand once they are placed inside a blood vessel, allowing for improved blood flow without the need for invasive procedures. The ability of shape memory alloys (形状记忆合金) to change shape under specific conditions also makes them ideal for creating self-adjusting components in machinery, leading to enhanced efficiency and performance.Another fascinating application of shape memory alloys (形状记忆合金) is in the field of robotics. Engineers are exploring the use of these materials to create soft robots that can mimic biological movements. By utilizing the contraction and expansion properties of shape memory alloys (形状记忆合金), these robots can perform complex tasks while maintaining flexibility and adaptability, similar to living organisms.Despite their advantages, there are challenges associated with the use of shape memory alloys (形状记忆合金). For instance, controlling the temperature at which the alloy changes shape requires precise engineering and can be affected by external conditions. Moreover, the cost of producing high-quality shape memory alloys (形状记忆合金) can be relatively high, which may limit their widespread adoption in some industries.In conclusion, shape memory alloys (形状记忆合金) represent a significant advancement in material science, offering innovative solutions across various fields. Their ability to 'remember' shapes and respond to environmental changes opens up new possibilities for technology and engineering. As research continues and production methods improve, we can expect to see even more applications of shape memory alloys (形状记忆合金) that enhance our daily lives and technological capabilities.