surface roughness

简明释义

表面粗度

英英释义

例句

1.A smoother surface roughness can reduce friction in mechanical components.

更光滑的表面粗糙度可以减少机械部件中的摩擦。

2.In semiconductor manufacturing, controlling surface roughness is crucial for device performance.

在半导体制造中，控制表面粗糙度对器件性能至关重要。

3.The surface roughness of the road affects vehicle traction and safety.

道路的表面粗糙度会影响车辆的牵引力和安全性。

4.The engineer measured the surface roughness of the metal part to ensure it met the specifications.

工程师测量了金属部件的表面粗糙度以确保其符合规格。

5.To improve adhesion, we need to analyze the surface roughness of the substrate.

为了改善附着力，我们需要分析基材的表面粗糙度。

作文

Surface roughness is a critical parameter in engineering and manufacturing that refers to the texture of a surface. It is defined as the small, finely spaced deviations from the nominal surface, which can significantly affect the performance of mechanical components. In many applications, such as aerospace, automotive, and machinery, the surface roughness (表面粗糙度) of parts plays a vital role in determining their functionality and longevity. For instance, a smoother surface often results in less friction, leading to improved efficiency and reduced wear over time.The measurement of surface roughness (表面粗糙度) can be performed using various techniques, including contact and non-contact methods. Contact methods typically involve using a stylus that moves across the surface, while non-contact methods may use laser or optical systems to assess surface texture. The results are usually quantified using parameters such as Ra (average roughness), Rz (average maximum height of the profile), and Rt (total height of the profile). These parameters help engineers and designers understand how the surface will behave under different conditions, such as load, temperature, and environmental exposure.In manufacturing processes, controlling surface roughness (表面粗糙度) is essential for achieving desired product specifications. For example, during machining operations like milling or turning, the choice of cutting tools, speed, and feed rates can greatly influence the final surface finish. A well-controlled process can produce parts with optimal surface roughness (表面粗糙度), which in turn enhances their performance. Conversely, excessive roughness can lead to issues such as increased friction, noise, and premature failure of components.Furthermore, surface roughness (表面粗糙度) also impacts other factors such as adhesion, lubrication, and wear resistance. In applications where coatings or adhesives are used, a rougher surface can provide better mechanical interlocking, improving the bond strength. On the other hand, in lubrication scenarios, a smoother surface may facilitate better lubricant film formation, reducing friction and wear.The importance of surface roughness (表面粗糙度) extends beyond mechanical performance; it also affects aesthetic qualities. In consumer products, the visual and tactile perceptions of surfaces can influence customer satisfaction. A product with an appealing finish may attract more buyers, while one with poor surface quality might deter potential customers.In conclusion, understanding and controlling surface roughness (表面粗糙度) is crucial in various fields of engineering and manufacturing. It influences not only the mechanical properties and performance of components but also their appearance and user acceptance. As technology advances, new methods for measuring and controlling surface roughness (表面粗糙度) continue to emerge, allowing for even greater precision and efficiency in production processes. Engineers must remain vigilant in their efforts to optimize surface roughness (表面粗糙度) to ensure the reliability and success of their designs.

表面粗糙度是工程和制造中的一个关键参数，指的是表面的纹理。它被定义为与名义表面的小而细微的偏差，这些偏差会显著影响机械部件的性能。在许多应用中，如航空航天、汽车和机械，零件的表面粗糙度（surface roughness）在决定其功能和使用寿命方面发挥着至关重要的作用。例如，较光滑的表面通常会导致摩擦减少，从而提高效率并减少磨损。表面粗糙度（surface roughness）的测量可以通过各种技术进行，包括接触和非接触方法。接触方法通常涉及使用一个探针在表面上移动，而非接触方法可能使用激光或光学系统来评估表面纹理。结果通常通过Ra（平均粗糙度）、Rz（轮廓的平均最大高度）和Rt（轮廓的总高度）等参数来量化。这些参数帮助工程师和设计师了解表面在不同条件下的行为，例如负载、温度和环境暴露。在制造过程中，控制表面粗糙度（surface roughness）对实现所需产品规格至关重要。例如，在铣削或车削等加工操作中，切削工具的选择、速度和进给率会极大地影响最终的表面光洁度。良好控制的过程可以生产出具有最佳表面粗糙度（surface roughness）的零件，从而增强其性能。相反，过大的粗糙度可能导致诸如摩擦增加、噪音和组件的提前失效等问题。此外，表面粗糙度（surface roughness）还影响其他因素，如附着力、润滑和耐磨性。在使用涂层或粘合剂的应用中，粗糙的表面可以提供更好的机械锁定，从而提高粘合强度。另一方面，在润滑场景中，较光滑的表面可能促进更好的润滑膜形成，从而减少摩擦和磨损。表面粗糙度（surface roughness）的重要性不仅限于机械性能；它还影响美学特性。在消费产品中，表面的视觉和触觉感知可以影响客户满意度。具有吸引人外观的产品可能吸引更多买家，而表面质量差的产品可能会阻止潜在客户。总之，理解和控制表面粗糙度（surface roughness）在各个工程和制造领域至关重要。它不仅影响组件的机械特性和性能，还影响其外观和用户接受度。随着技术的进步，新的测量和控制表面粗糙度（surface roughness）的方法不断出现，使生产过程中的精度和效率更高。工程师必须保持警惕，努力优化表面粗糙度（surface roughness），以确保其设计的可靠性和成功。