residual magnetism

简明释义

顽磁

英英释义

例句

1.The engineer measured the residual magnetism 残余磁性 in the steel after it was magnetized.

工程师测量了钢材在被磁化后产生的残余磁性。

2.High levels of residual magnetism 残余磁性 can interfere with electronic devices.

高水平的残余磁性可能会干扰电子设备。

3.The technician used a demagnetizer to eliminate the residual magnetism 残余磁性 in the components.

技术员使用去磁器消除组件中的残余磁性。

4.The presence of residual magnetism 残余磁性 can affect the accuracy of measurements in scientific experiments.

在科学实验中，残余磁性的存在可能会影响测量的准确性。

5.Before assembling the motor, we need to check for any residual magnetism 残余磁性 in the parts.

在组装电动机之前，我们需要检查零件中是否存在任何残余磁性。

作文

Residual magnetism, often referred to as residual magnetism, is a phenomenon observed in ferromagnetic materials after an external magnetic field has been removed. This property is significant in various applications, including electrical engineering and material science. Understanding residual magnetism is crucial for engineers and scientists as it affects the performance and longevity of magnetic devices. When a ferromagnetic material, such as iron, is exposed to a magnetic field, its magnetic domains align with the field, resulting in magnetization. Once the external field is removed, some of these domains remain aligned, causing the material to retain some level of magnetism. This retained magnetism is what we refer to as residual magnetism or remanence. The strength of this residual magnetism can vary depending on the material's composition, temperature, and the intensity of the applied magnetic field.The implications of residual magnetism are vast. In the manufacturing of magnetic components, such as transformers and electric motors, engineers must consider the effects of residual magnetism to ensure efficiency and reliability. For instance, if a motor retains too much residual magnetism, it may lead to increased energy consumption and reduced performance. Conversely, insufficient residual magnetism can result in a lack of necessary magnetic force, leading to operational failures.Moreover, residual magnetism plays a critical role in data storage technologies. In hard disk drives, data is stored by magnetizing tiny regions of the disk surface. The ability of these regions to retain their magnetization after the writing process is essential for maintaining data integrity. Engineers must carefully manage residual magnetism to prevent data loss and ensure that information can be reliably read and written.In addition to technological applications, residual magnetism is also of interest in geological studies. Certain rocks and minerals exhibit residual magnetism, which can provide valuable information about the Earth's magnetic field at the time of their formation. Geologists study these magnetic signatures to understand past geological events and the movement of tectonic plates.Despite its importance, residual magnetism can also pose challenges. For example, in certain high-precision applications, unwanted residual magnetism can interfere with measurements and lead to inaccuracies. In such cases, demagnetization techniques may be employed to reduce or eliminate residual magnetism. These methods include using alternating magnetic fields or heating the material to disrupt the alignment of magnetic domains.In conclusion, residual magnetism is a fundamental concept in magnetism that has far-reaching implications across various fields. From enhancing the performance of electrical devices to aiding in geological research, understanding residual magnetism is essential for advancing technology and scientific knowledge. As we continue to explore the properties of materials, the significance of residual magnetism will undoubtedly remain a key area of interest and innovation in the years to come.

剩余磁性，通常被称为剩余磁性，是指在外部磁场移除后，铁磁材料中观察到的一种现象。这一特性在电气工程和材料科学等多个应用中具有重要意义。理解剩余磁性对工程师和科学家至关重要，因为它影响着磁性设备的性能和寿命。当铁磁材料如铁暴露在磁场中时，其磁畴会与磁场对齐，从而导致磁化。一旦外部磁场被移除，这些磁畴中的一些仍然保持对齐，导致材料保留一定程度的磁性。这种保留的磁性就是我们所称的剩余磁性或剩余磁通密度。剩余磁性的强度可能因材料成分、温度和施加的磁场强度而异。剩余磁性的影响是广泛的。在制造磁性组件（如变压器和电动机）时，工程师必须考虑剩余磁性的影响，以确保效率和可靠性。例如，如果电动机保留了过多的剩余磁性，可能会导致能量消耗增加和性能下降。相反，剩余磁性不足可能导致缺乏必要的磁力，从而导致操作故障。此外，剩余磁性在数据存储技术中也起着关键作用。在硬盘驱动器中，数据通过对磁盘表面的小区域进行磁化来存储。这些区域在写入过程后能够保留其磁化状态，对维护数据完整性至关重要。工程师必须仔细管理剩余磁性，以防止数据丢失，并确保信息可以可靠地读取和写入。除了技术应用，剩余磁性在地质研究中也引起了人们的关注。某些岩石和矿物表现出剩余磁性，这可以提供关于它们形成时地球磁场的宝贵信息。地质学家研究这些磁性特征，以了解过去的地质事件和构造板块的运动。尽管剩余磁性很重要，但它也可能带来挑战。例如，在某些高精度应用中，不必要的剩余磁性可能干扰测量并导致不准确。在这种情况下，可能采用去磁化技术来减少或消除剩余磁性。这些方法包括使用交变磁场或加热材料以破坏磁畴的对齐。总之，剩余磁性是磁性中的一个基本概念，在各个领域具有深远的影响。从增强电气设备的性能到帮助地质研究，理解剩余磁性对于推动技术和科学知识的发展至关重要。随着我们继续探索材料的性质，剩余磁性的重要性无疑将在未来几年内成为一个关键的关注和创新领域。