saturation magnetisation

简明释义

饱和磁化强度

英英释义

例句

1.Researchers are exploring new alloys with higher saturation magnetisation for better energy efficiency.

研究人员正在探索具有更高饱和磁化强度的新合金，以提高能效。

2.In ferromagnetic materials, the saturation magnetisation can significantly affect the performance of electric motors.

在铁磁材料中，饱和磁化强度可以显著影响电动机的性能。

3.By increasing the temperature, we observed a decrease in the saturation magnetisation of the sample.

通过提高温度，我们观察到样品的饱和磁化强度降低。

4.The saturation magnetisation of the material was measured to determine its magnetic properties.

该材料的饱和磁化强度被测量以确定其磁性特性。

5.The saturation magnetisation is a critical parameter in the design of magnetic sensors.

饱和磁化强度是磁传感器设计中的一个关键参数。

作文

In the field of magnetism, understanding the concept of saturation magnetisation is crucial for both theoretical and practical applications. saturation magnetisation refers to the maximum magnetic moment per unit volume of a material when it has been subjected to an external magnetic field. At this point, all magnetic domains within the material are aligned in the direction of the applied field, resulting in a state where the material cannot be magnetised any further. This phenomenon is essential for various applications, including the design of magnetic materials used in electronics, data storage, and medical imaging.To grasp the significance of saturation magnetisation, one must first understand what magnetic domains are. Magnetic domains are small regions within a material where the magnetic moments of atoms are aligned in the same direction. In an unmagnetised material, these domains point in random directions, effectively canceling each other out. When an external magnetic field is applied, these domains begin to align with the field, leading to an increase in the material's overall magnetisation. However, once all domains are aligned, the material reaches its saturation magnetisation level, and any further increase in the external field will not result in a corresponding increase in magnetisation.The value of saturation magnetisation varies significantly between different materials. For instance, ferromagnetic materials such as iron exhibit high saturation magnetisation values, making them ideal for use in transformers and electric motors. On the other hand, paramagnetic materials have much lower saturation magnetisation values and are less effective in applications requiring strong magnetic properties. Understanding these differences is vital for engineers and scientists working in fields that rely on magnetic materials.Moreover, the temperature of a material can also affect its saturation magnetisation. As temperature increases, thermal agitation can disrupt the alignment of magnetic domains, leading to a decrease in the material's overall magnetisation. This relationship between temperature and saturation magnetisation is particularly important in applications such as magnetic refrigeration and sensors, where maintaining optimal performance across varying temperatures is critical.In summary, saturation magnetisation is a fundamental property of magnetic materials that plays a significant role in various technological applications. By understanding how saturation magnetisation works, researchers and engineers can better design and utilise magnetic materials for a wide range of purposes. Whether it is in developing more efficient electric motors or enhancing data storage technologies, the knowledge of saturation magnetisation remains an essential part of modern science and engineering. Therefore, continued research into this area is necessary to unlock new possibilities and improve existing technologies.

在磁学领域，理解“饱和磁化强度”的概念对于理论和实际应用都至关重要。“饱和磁化强度”是指材料在施加外部磁场时，单位体积的最大磁矩。当材料的所有磁畴在施加的磁场方向上排列时，就达到了这个点，此时材料无法进一步被磁化。这种现象对各种应用至关重要，包括用于电子设备、数据存储和医学成像的磁性材料的设计。要理解“饱和磁化强度”的重要性，首先必须了解什么是磁畴。磁畴是材料内部的小区域，其中原子的磁矩朝同一方向排列。在未磁化的材料中，这些磁畴随机指向，有效地相互抵消。当施加外部磁场时，这些磁畴开始与磁场对齐，从而导致材料的整体磁化增加。然而，一旦所有磁畴对齐，材料便达到了其“饱和磁化强度”水平，任何进一步增加外部磁场都不会导致对应的磁化增加。“饱和磁化强度”的值在不同材料之间差异显著。例如，铁等铁磁材料表现出高的“饱和磁化强度”值，使其在变压器和电动机中理想使用。另一方面，顺磁材料的“饱和磁化强度”值要低得多，在需要强磁性特性的应用中效果较差。理解这些差异对于工程师和科学家在依赖磁性材料的领域工作至关重要。此外，材料的温度也会影响其“饱和磁化强度”。随着温度的升高，热运动会干扰磁畴的排列，导致材料的整体磁化降低。这种温度与“饱和磁化强度”之间的关系在磁制冷和传感器等应用中尤其重要，因为在不同温度下保持最佳性能至关重要。总之，“饱和磁化强度”是磁性材料的基本特性，在各种技术应用中发挥着重要作用。通过理解“饱和磁化强度”的工作原理，研究人员和工程师可以更好地设计和利用磁性材料以满足广泛的用途。无论是在开发更高效的电动机还是增强数据存储技术方面，对“饱和磁化强度”的知识仍然是现代科学和工程的重要组成部分。因此，继续对这一领域的研究是必要的，以解锁新的可能性并改善现有技术。