magnetic fatigue

简明释义

磁力疲劳

英英释义

Magnetic fatigue refers to the gradual loss of magnetic properties in a material due to prolonged exposure to magnetic fields or repeated magnetization cycles.

磁疲劳是指材料由于长时间暴露在磁场中或反复磁化循环而导致的磁性逐渐丧失。

例句

1.To prevent magnetic fatigue (磁疲劳), regular maintenance checks are essential.

为了防止磁疲劳磁疲劳),定期维护检查是必不可少的。

2.The research focused on how magnetic fatigue (磁疲劳) affects the lifespan of magnetic materials.

研究集中于磁疲劳磁疲劳)如何影响磁性材料的寿命。

3.After several tests, the team concluded that magnetic fatigue (磁疲劳) could lead to a significant drop in performance.

经过几次测试,团队得出结论,磁疲劳磁疲劳)可能导致性能显著下降。

4.Understanding magnetic fatigue (磁疲劳) is crucial for developing more durable magnets.

理解磁疲劳磁疲劳)对于开发更耐用的磁铁至关重要。

5.The engineers discovered that the motor was experiencing magnetic fatigue (磁疲劳) after prolonged use.

工程师们发现电机在长时间使用后经历了磁疲劳磁疲劳)。

作文

In the world of physics and engineering, the concept of magnetic fatigue plays a significant role in understanding the behavior of magnetic materials under varying conditions. Magnetic fatigue refers to the gradual degradation of magnetic properties in ferromagnetic materials when subjected to repeated magnetization and demagnetization cycles. This phenomenon is crucial in applications such as electric motors, transformers, and magnetic storage devices, where materials are frequently exposed to changing magnetic fields.When a ferromagnetic material is initially magnetized, its domains align in the direction of the applied magnetic field, resulting in a strong magnetic effect. However, with continuous cycling between magnetization and demagnetization, the material can experience magnetic fatigue. This results in a loss of magnetization efficiency, which can lead to decreased performance in devices that rely on these materials.The causes of magnetic fatigue are multifaceted. One primary factor is thermal agitation, which can disrupt the alignment of magnetic domains. As the temperature increases, the energy of the system rises, causing more random movements of atoms and a subsequent misalignment of the magnetic domains. Another contributing factor is mechanical stress, which can alter the material's structure and further exacerbate the effects of magnetic fatigue.Understanding magnetic fatigue is essential for engineers and designers who work with magnetic materials. By recognizing the limitations imposed by this phenomenon, they can make informed decisions when selecting materials for specific applications. For instance, in electric motors, using materials with high resistance to magnetic fatigue can enhance the longevity and efficiency of the motor, reducing the need for frequent replacements and maintenance.Research into magnetic fatigue has led to the development of advanced materials that exhibit improved resistance to this degradation. Innovations such as nanostructured magnetic materials and composite materials have shown promise in mitigating the effects of magnetic fatigue, thereby enhancing the performance and reliability of various devices.Moreover, the study of magnetic fatigue extends beyond industrial applications; it also has implications in the field of data storage. Hard drives and magnetic tapes rely on the stability of magnetic properties to store information accurately. Understanding how magnetic fatigue affects these materials can lead to better data retention strategies and improved storage technologies.In conclusion, magnetic fatigue is a critical concept in the realm of magnetism that highlights the challenges faced by ferromagnetic materials during repeated use. By acknowledging the factors that contribute to magnetic fatigue and investing in research to develop more resilient materials, we can enhance the performance of various technologies. As we continue to innovate and push the boundaries of what is possible, the understanding of magnetic fatigue will undoubtedly play a pivotal role in shaping the future of magnetic applications.

在物理和工程领域,磁疲劳的概念在理解磁性材料在不同条件下的行为方面起着重要作用。磁疲劳指的是当铁磁材料经历重复的磁化和去磁循环时,其磁性逐渐退化的现象。这种现象在电动机、变压器和磁存储设备等应用中至关重要,因为这些材料经常暴露于变化的磁场中。当铁磁材料最初被磁化时,其磁畴沿施加的磁场方向排列,从而产生强烈的磁效应。然而,随着磁化和去磁的持续循环,材料可能会经历磁疲劳。这导致了磁化效率的降低,可能导致依赖这些材料的设备性能下降。导致磁疲劳的原因是多方面的。一个主要因素是热激发,它可以干扰磁畴的排列。随着温度的升高,系统的能量增加,导致原子的随机运动增多,进而导致磁畴的错位。另一个促成因素是机械应力,它可以改变材料的结构并进一步加剧磁疲劳的影响。理解磁疲劳对从事磁性材料工作的工程师和设计师至关重要。通过认识到这一现象所带来的限制,他们可以在为特定应用选择材料时做出明智的决策。例如,在电动机中,使用对磁疲劳具有高抗性的材料可以提高电动机的使用寿命和效率,减少频繁更换和维护的需要。对磁疲劳的研究促使开发出具有改善抗疲劳性能的先进材料。纳米结构磁性材料和复合材料等创新显示出减轻磁疲劳影响的潜力,从而提高各种设备的性能和可靠性。此外,磁疲劳的研究不仅限于工业应用;它在数据存储领域也有重要意义。硬盘驱动器和磁带依赖于磁性特性的稳定性来准确存储信息。理解磁疲劳如何影响这些材料可以导致更好的数据保留策略和改进的存储技术。总之,磁疲劳是磁性领域中的一个关键概念,突显了铁磁材料在重复使用过程中面临的挑战。通过承认导致磁疲劳的因素并投资于研发更具韧性的材料,我们可以增强各种技术的性能。随着我们不断创新并推动可能性的边界,对磁疲劳的理解无疑将在塑造未来磁性应用方面发挥关键作用。

相关单词

magnetic

magnetic详解:怎么读、什么意思、用法

fatigue

fatigue详解:怎么读、什么意思、用法