local hardening

简明释义

局部硬化

英英释义

例句

1.The security audit revealed that local hardening 局部加固 measures were lacking in several critical systems.

安全审计显示，几个关键系统缺乏local hardening 局部加固措施。

2.After performing local hardening 局部加固, the server showed improved resilience against common vulnerabilities.

在进行local hardening 局部加固后，服务器对常见漏洞表现出更强的韧性。

3.The software update included a feature for local hardening 局部加固 of user permissions to enhance security.

这次软件更新包含了一项功能，用于对用户权限进行local hardening 局部加固以增强安全性。

4.The network administrator suggested local hardening 局部加固 of the firewall rules to prevent unauthorized access.

网络管理员建议对防火墙规则进行local hardening 局部加固以防止未经授权的访问。

5.By implementing local hardening 局部加固, the IT team was able to reduce the attack surface of the application.

通过实施local hardening 局部加固，IT团队能够减少应用程序的攻击面。

作文

In the field of materials science and engineering, the term local hardening refers to the process by which a specific area of a material becomes harder due to various factors such as strain or heat treatment. This phenomenon is particularly important in understanding how materials behave under stress and how they can be engineered for better performance. Local hardening often occurs in metals during processes like welding or machining, where certain areas experience different levels of stress and temperature compared to the rest of the material.One common example of local hardening can be observed in the manufacturing of steel components. When steel is subjected to high temperatures during welding, the area around the weld may cool at a different rate than the surrounding material. This differential cooling can lead to a hardened zone known as the heat-affected zone (HAZ). In this region, the microstructure of the steel changes, resulting in increased hardness and strength. Understanding local hardening is crucial for engineers to predict how the welded joint will perform under load and to ensure that the final product meets safety and performance standards.Moreover, local hardening can also occur due to mechanical processes such as cold working. For instance, when a metal is bent or shaped at room temperature, the areas that are deformed more significantly may become harder than the less deformed regions. This process is essential in applications where certain parts of a component need to withstand higher stresses than others. Engineers can strategically design components to take advantage of local hardening, thereby enhancing the overall performance and lifespan of the product.In addition to metals, local hardening can also be observed in polymers and composite materials. For example, in thermosetting resins, localized heating during curing can lead to variations in hardness within the material. These variations can affect the mechanical properties of the final product, making it essential for manufacturers to control the curing process carefully.The implications of local hardening extend beyond just the material properties; they also influence the design and manufacturing processes. Engineers must consider local hardening when selecting materials for specific applications, especially in industries like aerospace, automotive, and construction, where safety and reliability are paramount. By understanding how local hardening affects material performance, engineers can design components that are not only strong but also lightweight, optimizing them for their intended use.In conclusion, local hardening is a critical concept in materials science that describes the localized increase in hardness within a material due to various processing conditions. Its understanding is vital for engineers and designers who aim to create high-performance materials and components. As technology advances, the ability to control and manipulate local hardening will continue to play a significant role in the development of innovative materials and products, ultimately leading to safer and more efficient designs across various industries.

在材料科学和工程领域，术语局部硬化指的是由于应变或热处理等各种因素，材料的特定区域变得更硬的过程。这种现象对于理解材料在应力下的行为以及如何对其进行工程设计以获得更好的性能尤其重要。局部硬化通常发生在金属的焊接或加工过程中，在这些过程中，某些区域经历的应力和温度水平与材料的其余部分不同。一个常见的局部硬化例子可以在钢组件的制造中观察到。当钢在焊接过程中受到高温影响时，焊缝周围的区域可能会以不同于周围材料的速度冷却。这种差异冷却会导致一个被称为热影响区（HAZ）的硬化区域。在这个区域，钢的微观结构发生变化，导致硬度和强度增加。理解局部硬化对于工程师预测焊接接头在负载下的表现至关重要，并确保最终产品符合安全和性能标准。此外，局部硬化还可以由于冷加工等机械过程而发生。例如，当金属在室温下弯曲或成型时，变形更显著的区域可能会变得比变形较小的区域更硬。这一过程在某些组件的特定部分需要承受比其他部分更高的应力的应用中至关重要。工程师可以战略性地设计组件，以利用局部硬化，从而增强产品的整体性能和使用寿命。除了金属之外，局部硬化也可以在聚合物和复合材料中观察到。例如，在热固性树脂中，固化过程中的局部加热可能导致材料内部硬度的变化。这些变化会影响最终产品的机械性能，因此制造商必须仔细控制固化过程。局部硬化的影响不仅限于材料性能，它们还影响设计和制造过程。工程师在选择特定应用的材料时必须考虑局部硬化，特别是在航空航天、汽车和建筑等行业，在这些行业中，安全性和可靠性至关重要。通过理解局部硬化如何影响材料性能，工程师可以设计出不仅强大而且轻便的组件，为其预期用途进行优化。总之，局部硬化是材料科学中的一个关键概念，描述了由于各种加工条件导致材料内部硬度的局部增加。理解这一点对于旨在创造高性能材料和组件的工程师和设计师至关重要。随着技术的进步，控制和操纵局部硬化的能力将继续在创新材料和产品的发展中发挥重要作用，最终导致各行各业更安全、更高效的设计。