age hardening

简明释义

时效硬化;

英英释义

例句

1.In aluminum alloys, age hardening is crucial for enhancing performance.

在铝合金中，时效硬化对提高性能至关重要。

2.The phenomenon of age hardening can lead to increased wear resistance in steel.

在钢材中，时效硬化现象可以导致耐磨性增加。

3.Engineers utilize age hardening to achieve desired mechanical properties in various materials.

工程师利用时效硬化来获得各种材料所需的机械性能。

4.During the manufacturing process, age hardening is applied to improve the durability of components.

在制造过程中，应用时效硬化以提高组件的耐用性。

5.The process of age hardening improves the strength of metals over time.

经过时间的时效硬化过程提高了金属的强度。

作文

Age hardening, also known as precipitation hardening, is a heat treatment process used to enhance the strength and hardness of certain alloys, particularly aluminum, titanium, and nickel-based alloys. This process involves three main stages: solution treatment, aging, and quenching. During the solution treatment, the alloy is heated to a high temperature, allowing the solute elements to dissolve into the base metal, creating a homogeneous solid solution. After this, the alloy is rapidly cooled or 'quenched' to lock in the dissolved elements, preventing them from precipitating out of the solution. Finally, the aging phase occurs, where the alloy is held at a lower temperature for an extended period. This allows for the controlled precipitation of fine particles within the metal matrix, which obstructs dislocation movement and significantly increases the material's strength.The significance of age hardening (时效硬化) lies in its ability to produce materials that can withstand greater loads and resist deformation. For example, in the aerospace industry, components made from age-hardened aluminum alloys are essential due to their lightweight yet strong characteristics. These components must endure extreme conditions, including high stress and varying temperatures, making the benefits of age hardening (时效硬化) invaluable.Moreover, age hardening (时效硬化) is not limited to aluminum alloys; it is also applicable to other metals and alloys. For instance, certain types of stainless steel undergo age hardening (时效硬化) to improve their mechanical properties, making them suitable for applications in harsh environments, such as chemical processing plants and marine applications. The versatility of age hardening (时效硬化) across different materials highlights its importance in modern engineering and manufacturing.However, achieving the desired properties through age hardening (时效硬化) requires precise control over the heating and cooling processes, as well as the aging time and temperature. If these parameters are not carefully managed, the resulting material may exhibit inadequate strength or brittleness. Therefore, ongoing research into optimizing age hardening (时效硬化) processes is crucial for developing new alloys and improving existing ones.In summary, age hardening (时效硬化) is a critical process in metallurgy that enhances the strength and hardness of various alloys through a series of controlled heat treatments. Its applications span multiple industries, particularly in aerospace and automotive sectors, where material performance is paramount. As technology advances, the understanding and implementation of age hardening (时效硬化) will continue to evolve, leading to the development of even stronger and more resilient materials that can meet the demands of future engineering challenges.

时效硬化（也称为沉淀硬化）是一种热处理工艺，用于增强某些合金的强度和硬度，特别是铝、钛和镍基合金。该过程涉及三个主要阶段：固溶处理、时效和淬火。在固溶处理过程中，将合金加热到高温，使溶质元素溶解到基体金属中，形成均匀的固溶体。之后，合金迅速冷却或“淬火”，以锁定溶解的元素，防止它们从溶液中析出。最后，进行时效阶段，在此阶段，合金在较低温度下保持一段时间。这允许控制地在金属基体内析出细小颗粒，这些颗粒阻碍位错运动，从而显著提高材料的强度。时效硬化的重要性在于其能够生产出能够承受更大负荷和抵抗变形的材料。例如，在航空航天工业中，采用时效硬化铝合金制造的组件至关重要，因为它们具有轻巧而坚固的特性。这些组件必须承受极端条件，包括高应力和变化的温度，使得时效硬化的好处不可估量。此外，时效硬化不仅限于铝合金；它也适用于其他金属和合金。例如，某些类型的不锈钢经过时效硬化以改善其机械性能，使其适合在恶劣环境中应用，例如化工加工厂和海洋应用。时效硬化在不同材料中的多样性突显了其在现代工程和制造中的重要性。然而，通过时效硬化实现所需的性能需要精确控制加热和冷却过程，以及时效的时间和温度。如果这些参数未得到妥善管理，最终材料可能表现出不足的强度或脆性。因此，持续研究优化时效硬化过程对于开发新合金和改善现有合金至关重要。总之，时效硬化是冶金学中的一个关键过程，通过一系列受控的热处理增强各种合金的强度和硬度。它的应用跨越多个行业，特别是在航空航天和汽车领域，材料性能至关重要。随着技术的进步，对时效硬化的理解和实施将继续发展，导致开发出更强大、更具韧性的材料，以满足未来工程挑战的需求。