magnetisation curve

简明释义

磁化曲线

英英释义

A magnetisation curve is a graphical representation that shows the relationship between the magnetic field strength (H) and the magnetic flux density (B) in a material, illustrating how the material becomes magnetized when subjected to an external magnetic field.

磁化曲线是一个图形表示,显示了材料在外部磁场作用下磁场强度(H)与磁通密度(B)之间的关系,说明材料如何被磁化。

例句

1.The magnetisation curve 磁化曲线 helps predict how a material will behave in a magnetic field.

磁化曲线有助于预测材料在磁场中的行为。

2.Understanding the magnetisation curve 磁化曲线 is crucial for designing efficient transformers.

理解磁化曲线对设计高效变压器至关重要。

3.In the lab, we plotted the magnetisation curve 磁化曲线 for different alloys to compare their performance.

在实验室中,我们绘制了不同合金的磁化曲线以比较它们的性能。

4.The engineer analyzed the magnetisation curve 磁化曲线 to determine the material's magnetic properties.

工程师分析了磁化曲线来确定材料的磁性特性。

5.We used the magnetisation curve 磁化曲线 to evaluate the saturation point of the ferromagnetic material.

我们使用磁化曲线来评估铁磁材料的饱和点。

作文

The study of magnetic materials is a fascinating field that combines physics and engineering principles to understand how materials respond to magnetic fields. One of the critical concepts in this area is the magnetisation curve, which describes how a material becomes magnetized when exposed to an external magnetic field. This curve provides valuable insights into the magnetic properties of different materials, making it essential for various applications, from electric motors to transformers.When we talk about the magnetisation curve (磁化曲线), we are referring to a graphical representation that illustrates the relationship between the applied magnetic field strength and the resulting magnetization of a material. The curve typically starts at the origin, where there is no external magnetic field, and the material is unmagnetized. As the magnetic field strength increases, the magnetization of the material also increases, following a specific path on the graph.Initially, the curve rises steeply, indicating that the material is easily magnetized. This region is known as the linear or initial magnetization region. It is characterized by a high permeability, meaning that the material can efficiently conduct magnetic lines of force. However, as the magnetic field strength continues to increase, the slope of the magnetisation curve begins to flatten out. This phenomenon occurs because the material is approaching its saturation point, where most of the magnetic domains within the material are aligned with the external field.Once saturation is reached, further increases in the magnetic field strength result in minimal changes in magnetization. This plateau in the magnetisation curve signifies that the material has become fully magnetized and cannot take on any more magnetic energy. Understanding this behavior is crucial for engineers and designers who work with magnetic materials, as it helps them select appropriate materials for specific applications.Moreover, the magnetisation curve is not only important for understanding ferromagnetic materials, which exhibit strong magnetic properties but also for paramagnetic and diamagnetic materials. Each type of material has its unique magnetisation curve, reflecting how they respond to magnetic fields. For instance, paramagnetic materials show a weak attraction to magnetic fields, while diamagnetic materials exhibit a weak repulsion.In practical terms, the magnetisation curve is used to determine the performance of magnetic materials in real-world applications. For example, in electric motors, the choice of core material can significantly impact efficiency and performance. Engineers rely on the magnetisation curve to predict how the motor will behave under different operating conditions, ensuring optimal design and functionality.In conclusion, the magnetisation curve (磁化曲线) is a fundamental concept in the study of magnetic materials, providing essential insights into their behavior when subjected to magnetic fields. By understanding this curve, researchers and engineers can better select and utilize materials for various technological applications. The implications of this knowledge extend beyond theoretical studies, influencing the design and efficiency of countless devices in our modern world.

相关单词

magnetisation

magnetisation详解:怎么读、什么意思、用法

curve

curve详解:怎么读、什么意思、用法