shot peening

简明释义

喷丸处理

英英释义

例句

1.Engineers recommend shot peening for metal surfaces that experience high levels of stress.

工程师建议对承受高应力的金属表面进行喷丸处理。

2.The aerospace industry relies heavily on shot peening to improve the fatigue resistance of aircraft components.

航空航天工业严重依赖喷丸处理来提高飞机部件的疲劳抗力。

3.The shot peening process involves bombarding the surface with small spherical media.

该喷丸处理过程涉及用小球形介质轰击表面。

4.After shot peening, the metal surface shows improved hardness and resistance to cracking.

经过喷丸处理后，金属表面显示出更好的硬度和抗裂性。

5.During the manufacturing process, shot peening is applied to steel parts to enhance their durability.

在制造过程中，喷丸处理被应用于钢部件，以增强其耐用性。

作文

In the field of engineering and manufacturing, the term shot peening refers to a process that enhances the mechanical properties of materials, particularly metals. This technique involves bombarding the surface of a material with small spherical media known as 'shots'. The primary purpose of shot peening is to induce compressive residual stresses on the surface of the material, which significantly improves its fatigue resistance and overall durability. The process of shot peening is akin to a miniature form of sandblasting, but it is specifically designed to create beneficial effects rather than merely cleaning or smoothing surfaces. During shot peening, the shots are propelled at high velocity towards the surface of the component. When these shots strike the surface, they create small indentations, which in turn generate compressive stress in the material. This is crucial because it counteracts the tensile stresses that can lead to cracks and eventual failure under cyclic loading conditions.One of the most significant advantages of shot peening is its ability to extend the life of components subjected to high levels of stress, such as gears, springs, and various structural parts in aerospace and automotive applications. For instance, in the aerospace industry, where safety and reliability are paramount, shot peening is often employed on critical components like turbine blades and landing gear to ensure they can withstand the extreme conditions they face during operation.Moreover, shot peening can also improve the surface finish of parts, although this is not its primary goal. The process can help reduce surface imperfections and enhance the aesthetic quality of the finished product. This dual benefit makes shot peening an attractive option for manufacturers looking to improve both the performance and appearance of their products.However, implementing shot peening requires careful control of several parameters, including shot size, velocity, and coverage. Each of these factors plays a crucial role in determining the effectiveness of the process. If the shots are too large or propelled too forcefully, they can cause damage to the material instead of providing the desired benefits. Therefore, engineers must meticulously design and monitor the shot peening process to achieve optimal results.In conclusion, shot peening is a vital technique in modern manufacturing that enhances the performance and longevity of metal components. By inducing compressive stresses and improving surface characteristics, shot peening plays a crucial role in ensuring the reliability and durability of products used in demanding applications. As industries continue to evolve and demand higher standards of performance, the importance of shot peening will undoubtedly grow, making it an essential process in the engineering toolkit.

在工程和制造领域，短语shot peening指的是一种增强材料机械性能的工艺，特别是金属。这种技术涉及用称为“颗粒”的小球形介质轰击材料的表面。shot peening的主要目的是在材料表面诱导压缩残余应力，这显著提高了其疲劳抗性和整体耐用性。shot peening的过程类似于微型喷砂，但它专门设计用于产生有益效果，而不仅仅是清洁或平滑表面。在shot peening过程中，颗粒以高速度被推进到组件的表面。当这些颗粒撞击表面时，会产生小的凹痕，从而在材料中产生压缩应力。这一点至关重要，因为它抵消了可能导致裂纹和最终失效的拉伸应力，尤其是在循环加载条件下。shot peening的一个显著优点是它能够延长承受高应力的组件的使用寿命，例如齿轮、弹簧以及航空航天和汽车应用中的各种结构部件。例如，在航空航天工业中，安全性和可靠性至关重要，因此shot peening通常用于涡轮叶片和起落架等关键部件，以确保它们能够承受在操作过程中面临的极端条件。此外，shot peening还可以改善零件的表面光洁度，尽管这并不是其主要目标。该过程可以帮助减少表面缺陷，并增强成品的美观质量。这一双重好处使得shot peening成为制造商希望提高产品性能和外观的一个有吸引力的选择。然而，实施shot peening需要仔细控制几个参数，包括颗粒大小、速度和覆盖率。这些因素在决定工艺的有效性方面起着至关重要的作用。如果颗粒过大或推进过猛，可能会对材料造成损害，而不是提供所需的好处。因此，工程师必须精心设计和监控shot peening过程，以达到最佳效果。总之，shot peening是现代制造中一种重要技术，可以增强金属组件的性能和使用寿命。通过诱导压缩应力和改善表面特性，shot peening在确保在苛刻应用中使用的产品的可靠性和耐用性方面发挥着至关重要的作用。随着工业的不断发展，对更高性能标准的需求，shot peening的重要性无疑将会增长，使其成为工程工具箱中的一个基本过程。