non-retentive ferromagnetic material

简明释义

非顽磁性铁磁材料

英英释义

例句

1.In applications where temporary magnetism is needed, engineers often prefer non-retentive ferromagnetic material for its ability to return to a non-magnetic state.

在需要暂时磁性的应用中，工程师通常更喜欢非保持性铁磁材料，因为它能够恢复到非磁性状态。

2.The design of the magnetic circuit required the use of non-retentive ferromagnetic material to ensure that the magnetic field dissipated quickly after power was removed.

磁路的设计需要使用非保持性铁磁材料，以确保在断电后磁场迅速消散。

3.The research focused on improving the properties of non-retentive ferromagnetic material for better performance in magnetic sensors.

研究集中在改善非保持性铁磁材料的性能，以提高磁传感器的表现。

4.For the electromagnetic relay, we chose a non-retentive ferromagnetic material to ensure fast switching times.

对于电磁继电器，我们选择了非保持性铁磁材料以确保快速切换时间。

5.The transformer was constructed using non-retentive ferromagnetic material to minimize energy loss during operation.

变压器采用了非保持性铁磁材料以最小化运行过程中的能量损失。

作文

In the field of materials science, understanding the properties of various materials is crucial for their application in technology and engineering. One such important category of materials is ferromagnetic materials, which are known for their ability to be magnetized. Among these, there exists a specific type known as non-retentive ferromagnetic material, which has unique characteristics that differentiate it from other ferromagnetic substances. 非滞留铁磁材料 refers to those materials that do not retain significant magnetization once the external magnetic field is removed. This property makes them particularly useful in applications where temporary magnetization is required rather than permanent magnetization.The behavior of non-retentive ferromagnetic material can be understood through the concept of magnetic hysteresis. In typical ferromagnetic materials, when exposed to a magnetic field, they become magnetized and may retain some level of magnetization even after the external field is removed. However, non-retentive ferromagnetic material exhibits minimal hysteresis, meaning that it quickly loses its magnetization once the external magnetic field is no longer present. This characteristic can be advantageous in various applications, such as in electromagnetic devices, transformers, and inductors, where rapid switching of magnetic states is essential.One practical example of non-retentive ferromagnetic material is certain types of soft iron or permalloy. These materials are often used in electrical engineering due to their low coercivity, allowing them to be easily magnetized and demagnetized. The efficiency of transformers, for instance, heavily relies on the use of non-retentive ferromagnetic material because it minimizes energy losses associated with residual magnetism. When the current changes direction, the magnetic field must also change, and using materials that do not retain magnetism ensures that the transformer operates efficiently without unwanted magnetic effects.Moreover, non-retentive ferromagnetic material plays a significant role in data storage technologies. Magnetic recording media, such as hard drives, utilize materials that can be quickly magnetized and demagnetized to store data. The ability of non-retentive ferromagnetic material to respond rapidly to changing magnetic fields allows for quick writing and erasing of data, thus enhancing the performance of storage devices.In summary, non-retentive ferromagnetic material is an essential component in many technological applications due to its unique properties. Its ability to lose magnetization quickly after the removal of an external magnetic field makes it ideal for use in devices that require efficient and rapid magnetic response. Understanding the characteristics and applications of non-retentive ferromagnetic material not only contributes to advancements in material science but also enhances the functionality of various electronic and electromagnetic devices that are integral to modern technology.