ferromagnetic substance

简明释义

铁磁体

英英释义

例句

1.The refrigerator door uses a magnet made from a ferromagnetic substance (铁磁物质) to stay closed.

冰箱门使用一种由ferromagnetic substance (铁磁物质) 制成的磁铁保持关闭。

2.Iron is a common example of a ferromagnetic substance (铁磁物质) used in various applications.

铁是各种应用中常见的ferromagnetic substance (铁磁物质) 的一个例子。

3.In electrical engineering, transformers often contain ferromagnetic substances (铁磁物质) to enhance magnetic fields.

在电气工程中，变压器通常包含ferromagnetic substances (铁磁物质) 以增强磁场。

4.The performance of the motor improved significantly after using a ferromagnetic substance (铁磁物质) for the core.

在电机的核心使用ferromagnetic substance (铁磁物质) 后，其性能显著提高。

5.A ferromagnetic substance (铁磁物质) can be magnetized by applying a strong magnetic field.

通过施加强磁场，可以对ferromagnetic substance (铁磁物质) 进行磁化。

作文

The study of materials is a fascinating field that encompasses various properties and behaviors. Among the many types of materials, one particularly interesting category is that of ferromagnetic substances (铁磁性物质). These are materials that exhibit strong magnetic properties, allowing them to be magnetized and retain their magnetism even after the external magnetic field is removed. Understanding ferromagnetic substances is crucial for numerous applications in modern technology, including the development of magnets, transformers, and data storage devices.To delve deeper into the nature of ferromagnetic substances, we first need to explore the concept of magnetism itself. Magnetism is a physical phenomenon produced by the motion of electric charge, which results in attractive and repulsive forces between objects. In most materials, magnetic moments tend to cancel each other out due to thermal agitation. However, in ferromagnetic substances, the magnetic moments align parallel to each other over large regions called domains, which leads to a net magnetic moment.Iron, cobalt, and nickel are classic examples of ferromagnetic substances. These metals can be easily magnetized and are commonly used in various applications. For instance, when you bring a magnet close to a piece of iron, the iron becomes magnetized due to the alignment of its internal magnetic domains. This property is utilized in everyday items like refrigerator magnets and in industrial applications such as electric motors and generators.The temperature at which a ferromagnetic substance loses its magnetism is known as the Curie temperature. Above this temperature, the thermal energy disrupts the alignment of the magnetic domains, causing the material to become paramagnetic, which means it only exhibits weak magnetism in the presence of an external magnetic field. Understanding the Curie temperature is essential for engineers and scientists when designing devices that operate under varying thermal conditions.In addition to their practical uses, ferromagnetic substances also play a significant role in scientific research. They are often studied to understand phase transitions, magnetic ordering, and the fundamental principles of magnetism. Researchers are continuously exploring new ferromagnetic substances and their potential applications in fields such as spintronics, where the intrinsic spin of electrons is harnessed for information processing.Moreover, the environmental impact of ferromagnetic substances cannot be overlooked. As technology advances, the demand for these materials increases, leading to concerns about sustainable sourcing and recycling. It is vital for industries to adopt eco-friendly practices in the extraction and production of ferromagnetic substances to minimize their ecological footprint.In conclusion, ferromagnetic substances are a vital part of both our daily lives and advanced technological applications. Their unique properties make them indispensable in various fields, from electronics to renewable energy. As we continue to innovate and discover new materials, understanding the science behind ferromagnetic substances will be essential for developing more efficient and sustainable technologies. The ongoing research in this area promises exciting advancements that could reshape our understanding of magnetism and its applications in the future.

材料的研究是一个迷人的领域，涵盖了各种性质和行为。在众多材料中，有一类特别有趣的类别就是铁磁性物质。这些材料表现出强烈的磁性，使它们能够被磁化，并在外部磁场移除后仍然保持其磁性。理解铁磁性物质对于现代技术中的许多应用至关重要，包括磁铁、变压器和数据存储设备的发展。要深入了解铁磁性物质的性质，我们首先需要探索磁性本身的概念。磁性是由电荷运动产生的物理现象，导致物体之间的吸引和排斥力。在大多数材料中，由于热运动，磁矩倾向于相互抵消。然而，在铁磁性物质中，磁矩在称为域的大区域内平行排列，从而导致净磁矩的形成。铁、钴和镍是典型的铁磁性物质。这些金属可以轻易被磁化，通常用于各种应用。例如，当你将磁铁靠近一块铁时，铁由于其内部磁域的排列而被磁化。这一特性被应用于日常物品，如冰箱磁铁，以及工业应用，如电动机和发电机。铁磁性物质失去其磁性的温度被称为居里温度。在此温度以上，热能破坏了磁域的排列，使材料变为顺磁性，这意味着在外部磁场存在时，它仅表现出微弱的磁性。理解居里温度对工程师和科学家设计在不同热条件下运行的设备至关重要。除了实际用途外，铁磁性物质在科学研究中也发挥着重要作用。它们常常被研究以理解相变、磁序和磁性的基本原理。研究人员不断探索新的铁磁性物质及其在自旋电子学等领域的潜在应用，在自旋电子学中，利用电子的内在自旋进行信息处理。此外，铁磁性物质对环境的影响也不容忽视。随着技术的进步，对这些材料的需求增加，导致可持续采购和回收的关注。各行业采用环保实践来提取和生产铁磁性物质，以最小化其生态足迹至关重要。总之，铁磁性物质是我们日常生活和先进技术应用的重要组成部分。它们独特的性质使它们在电子学到可再生能源等各个领域不可或缺。随着我们继续创新和发现新材料，理解铁磁性物质背后的科学将是开发更高效和可持续技术的关键。该领域的持续研究承诺带来激动人心的进展，可能会重塑我们对磁性及其未来应用的理解。