ageing hardening

简明释义

经久硬化

英英释义

例句

1.Manufacturers often use ageing hardening techniques to produce stronger steel for construction.

制造商通常使用时效硬化技术来生产更强的建筑钢材。

2.The process of ageing hardening can significantly increase the lifespan of components in aerospace applications.

在航空航天应用中，时效硬化过程可以显著延长部件的使用寿命。

3.Engineers often rely on ageing hardening to enhance the performance of aluminum alloys.

工程师们常常依赖于时效硬化来增强铝合金的性能。

4.The metal underwent ageing hardening to improve its strength and durability.

这块金属经历了时效硬化以提高其强度和耐用性。

5.During ageing hardening, the microstructure of the material changes, resulting in increased hardness.

在时效硬化过程中，材料的微观结构发生变化，导致硬度增加。

作文

The concept of ageing hardening is crucial in materials science, particularly when discussing the properties of certain alloys and metals. Ageing hardening refers to the process by which a material increases in strength and hardness over time due to the formation of precipitates within its microstructure. This phenomenon is often observed in aluminum alloys, copper alloys, and some steel grades, where specific heat treatments are applied to enhance their mechanical properties.When materials undergo ageing hardening, their atomic structure changes as a result of prolonged exposure to certain temperatures. Initially, metals may be softened through processes like solution treatment, where they are heated to dissolve soluble phases. Following this, the material is rapidly cooled, or quenched, to trap these phases in a supersaturated solid solution. The subsequent step involves holding the material at a lower temperature for a designated period, allowing the soluble atoms to diffuse and form fine precipitates. This process ultimately leads to an increase in yield strength and hardness, making the material more suitable for various applications.The significance of ageing hardening cannot be overstated in industries such as aerospace, automotive, and construction, where high-strength materials are essential for safety and performance. For instance, aircraft components made from aluminum alloys benefit greatly from ageing hardening, as it allows them to withstand extreme conditions while maintaining structural integrity. Similarly, in the automotive sector, components subjected to high stress and strain are often treated to achieve optimal hardness through ageing hardening techniques.However, it is important to note that ageing hardening is not without its challenges. The process must be carefully controlled, as excessive ageing can lead to over-hardening, making the material brittle and susceptible to failure. Additionally, the specific aging time and temperature must be tailored to each alloy to achieve the desired balance between strength and ductility. Engineers and metallurgists must therefore have a deep understanding of the materials they are working with and the effects of ageing hardening on their properties.In conclusion, ageing hardening is a vital process that enhances the mechanical properties of various metal alloys. By understanding and controlling this phenomenon, industries can produce materials that meet the rigorous demands of modern applications. As research continues to evolve in the field of materials science, the potential for new alloys and treatments that utilize ageing hardening will undoubtedly lead to innovations that improve performance and safety across multiple sectors.

“老化硬化”这一概念在材料科学中至关重要，特别是在讨论某些合金和金属的性质时。“老化硬化”是指材料由于其微观结构中析出相的形成而随着时间的推移而增加强度和硬度的过程。这种现象通常在铝合金、铜合金和某些钢种中观察到，在这些材料中，应用特定的热处理来增强其机械性能。当材料经历“老化硬化”时，其原子结构会因长期暴露于特定温度而发生变化。最初，金属可能通过溶液处理等过程被软化，此时它们被加热以溶解可溶性相。随后，材料迅速冷却或淬火，以便将这些相捕获在过饱和固溶体中。接下来的步骤涉及在较低温度下保持材料一段时间，允许可溶原子扩散并形成细小的析出物。这个过程最终导致屈服强度和硬度的增加，使材料更适合各种应用。“老化硬化”的重要性在航空航天、汽车和建筑等行业中不容小觑，这些行业要求高强度材料以确保安全和性能。例如，由铝合金制成的飞机部件得益于“老化硬化”，因为它使其能够承受极端条件，同时保持结构完整性。同样，在汽车行业中，承受高应力和应变的部件通常经过处理，通过“老化硬化”技术达到最佳硬度。然而，值得注意的是，“老化硬化”并非没有挑战。该过程必须精心控制，因为过度老化可能导致过硬化，使材料变脆，易于失效。此外，具体的老化时间和温度必须根据每种合金量身定制，以实现强度和延展性之间的理想平衡。因此，工程师和冶金学家必须深入了解他们所使用的材料以及“老化硬化”对其性能的影响。总之，“老化硬化”是一个重要的过程，可以增强各种金属合金的机械性能。通过理解和控制这一现象，各行业可以生产出满足现代应用严格要求的材料。随着材料科学领域的研究不断发展，利用“老化硬化”的新合金和处理方法的潜力无疑将导致创新，从而提高多个行业的性能和安全性。