strain hardening
简明释义
加工硬化
英英释义
例句
1.The strain hardening 应变硬化 effect can be observed in copper when it is drawn into wires.
在铜被拉成电线时,可以观察到应变硬化效应。
2.As a material undergoes strain hardening 应变硬化, its ductility decreases.
当材料经历应变硬化时,其延展性会降低。
3.The process of strain hardening 应变硬化 increases the yield strength of metals.
应变硬化的过程提高了金属的屈服强度。
4.During the manufacturing of steel, strain hardening 应变硬化 is often utilized to enhance durability.
在钢材制造过程中,通常利用应变硬化来增强耐用性。
5.Engineers take strain hardening 应变硬化 into account when designing components that require high strength.
工程师在设计需要高强度的部件时会考虑应变硬化。
作文
Strain hardening, also known as work hardening, is a phenomenon that occurs in materials, particularly metals, when they are subjected to deformation. This process leads to an increase in the strength and hardness of the material due to dislocation movements within the crystal structure. When metals are deformed, the dislocations in their atomic lattice become entangled, which makes it more difficult for further dislocations to move. As a result, the material becomes stronger and less ductile. Understanding strain hardening (应变硬化) is crucial in various fields such as engineering, manufacturing, and materials science.In engineering applications, strain hardening (应变硬化) plays a significant role in shaping and forming processes. For instance, during the forging or rolling of metals, the initial deformation leads to strain hardening (应变硬化), which enhances the mechanical properties of the final product. This is particularly valuable in the automotive and aerospace industries, where materials must withstand high stresses and strains. By utilizing strain hardening (应变硬化), engineers can produce components that are both lightweight and strong, improving overall performance and safety.Moreover, the concept of strain hardening (应变硬化) is essential in understanding the limits of material deformation. Each material has a specific yield point, beyond which it will undergo plastic deformation. The degree of strain hardening (应变硬化) can be quantified using a stress-strain curve, which illustrates how a material behaves under applied stress. Initially, as stress increases, the material deforms elastically; however, once the yield point is reached, the material begins to deform plastically, leading to strain hardening (应变硬化). This curve is vital for engineers to predict how materials will perform under different loading conditions.In addition to metals, strain hardening (应变硬化) can also occur in polymers and other materials. In polymers, strain hardening (应变硬化) is often observed during stretching. As the polymer chains are pulled apart, they become aligned and entangled, which increases the material's strength. This property is exploited in the production of various plastic products, where enhanced durability is desired.It is important to note that while strain hardening (应变硬化) increases strength, it can also reduce ductility. Ductility is the ability of a material to deform without breaking, and in some applications, maintaining a balance between strength and ductility is critical. Engineers must carefully consider the effects of strain hardening (应变硬化) when designing components to ensure they meet the required specifications for performance and safety.In conclusion, strain hardening (应变硬化) is a fundamental concept in materials science that describes how materials become stronger and harder through deformation. Its implications are vast, affecting how materials are processed and utilized in various industries. By harnessing the principles of strain hardening (应变硬化), engineers and scientists can develop innovative solutions that enhance the performance of materials, ultimately contributing to advancements in technology and manufacturing practices.
应变硬化,也称为工作硬化,是一种现象,发生在材料(特别是金属)受到变形时。这个过程导致材料的强度和硬度增加,这是由于晶体结构内位错运动的结果。当金属被变形时,其原子晶格中的位错会纠缠在一起,这使得进一步的位错移动变得更加困难。因此,材料变得更强且韧性降低。理解应变硬化(strain hardening)在工程、制造和材料科学等多个领域至关重要。在工程应用中,应变硬化(strain hardening)在成形和加工过程中发挥着重要作用。例如,在金属的锻造或轧制过程中,初始变形导致应变硬化(strain hardening),这增强了最终产品的机械性能。这在汽车和航空航天工业中特别有价值,因为这些材料必须承受高应力和应变。通过利用应变硬化(strain hardening),工程师可以生产出既轻便又坚固的组件,从而改善整体性能和安全性。此外,应变硬化(strain hardening)的概念对于理解材料变形的极限至关重要。每种材料都有一个特定的屈服点,超过该点后,它将经历塑性变形。应变硬化(strain hardening)的程度可以使用应力-应变曲线进行量化,该曲线说明了材料在施加应力下的行为。最初,随着应力的增加,材料会弹性变形;然而,一旦达到屈服点,材料就开始塑性变形,从而导致应变硬化(strain hardening)。这条曲线对于工程师预测材料在不同载荷条件下的表现至关重要。除了金属,应变硬化(strain hardening)还可以在聚合物和其他材料中发生。在聚合物中,通常在拉伸过程中会观察到应变硬化(strain hardening)。当聚合物链被拉开时,它们会变得对齐并纠缠在一起,从而增加材料的强度。这一特性在各种塑料产品的生产中得到了利用,以期望获得更好的耐用性。需要注意的是,虽然应变硬化(strain hardening)增加了强度,但它也可能降低韧性。韧性是材料在不破裂的情况下变形的能力,在某些应用中,保持强度和韧性之间的平衡至关重要。工程师必须仔细考虑应变硬化(strain hardening)的影响,以确保设计的组件符合性能和安全的要求。总之,应变硬化(strain hardening)是材料科学中的一个基本概念,描述了材料通过变形变得更强和更硬的过程。其影响广泛,影响着材料的加工和利用。通过利用应变硬化(strain hardening)的原理,工程师和科学家可以开发出增强材料性能的创新解决方案,最终推动技术和制造实践的进步。