plastic fracture

简明释义

塑性断裂

英英释义

例句

1.The engineer explained that the material experienced a plastic fracture 塑性断裂 due to excessive stress during testing.

工程师解释说，材料在测试中由于过度应力经历了塑性断裂。

2.Engineers must consider the risk of plastic fracture 塑性断裂 when designing structures that will bear heavy loads.

工程师在设计承受重载的结构时必须考虑塑性断裂的风险。

3.In certain metals, a plastic fracture 塑性断裂 can indicate that the material has been deformed beyond its yield point.

在某些金属中，塑性断裂可能表明材料已变形超过其屈服点。

4.After analyzing the results, it was clear that the component failed because of a plastic fracture 塑性断裂 at the weld joint.

在分析结果后，很明显该组件因焊接处的塑性断裂而失效。

5.The research focused on how temperature affects the likelihood of a plastic fracture 塑性断裂 in polymers.

研究集中在温度如何影响聚合物中发生塑性断裂的可能性。

作文

In the realm of materials science and engineering, understanding the behavior of different materials under stress is crucial. One important concept that often arises in this field is plastic fracture, which refers to a type of failure that occurs when a material undergoes permanent deformation before breaking. This phenomenon is particularly significant in metals and polymers, where the ability to absorb energy and deform without catastrophic failure can be beneficial in many applications.To grasp the implications of plastic fracture, it is essential to differentiate it from other forms of fracture, such as brittle fracture. Brittle fracture occurs suddenly and without much prior deformation, often leading to catastrophic failures in materials. In contrast, plastic fracture allows for some degree of deformation, which can serve as a warning sign that a material is nearing its limit. This characteristic makes plastic fracture a vital concept in designing safer structures and components.For example, consider the case of a metal beam subjected to heavy loads. If the beam is made of a ductile material, it may exhibit plastic fracture under extreme conditions. Before the beam ultimately fails, it will bend and deform, providing visual cues that alert engineers to the impending failure. This early warning can allow for preventive measures, such as reinforcing the beam or redistributing the load. On the other hand, if the beam were made of a brittle material, it could snap suddenly without any prior indication, potentially resulting in severe consequences.The study of plastic fracture also extends to the realm of polymers, which are widely used in various industries due to their lightweight and versatile properties. When polymers are subjected to stress, they may experience plastic fracture as well, especially if they are not processed correctly or if they are exposed to extreme temperatures. Understanding how these materials behave under different conditions is essential for engineers to ensure reliability and safety in their designs.Moreover, advancements in technology have led to the development of new materials that exhibit enhanced properties related to plastic fracture. For instance, composite materials, which combine two or more constituent materials, can be engineered to optimize their resistance to plastic fracture. By carefully selecting the components and their arrangements, engineers can create materials that not only withstand high stresses but also provide better performance than traditional materials.In conclusion, the concept of plastic fracture is a fundamental aspect of materials science that plays a critical role in the design and analysis of structures and components. By understanding the mechanisms behind plastic fracture, engineers can make informed decisions that enhance the safety and reliability of their products. As we continue to innovate and develop new materials, the importance of comprehending plastic fracture will only grow, ensuring that we can create safer and more efficient solutions for the challenges of modern engineering.

在材料科学和工程领域，理解不同材料在应力下的行为至关重要。一个经常出现的重要概念是塑性断裂，它指的是一种在材料发生永久变形后才会破裂的失效类型。这种现象在金属和聚合物中尤其重要，因为能够吸收能量并在没有灾难性失效的情况下变形在许多应用中都是有益的。要理解塑性断裂的含义，首先需要将其与其他形式的断裂区分开，例如脆性断裂。脆性断裂突然发生，几乎没有任何变形，通常导致材料的灾难性失效。相比之下，塑性断裂允许一定程度的变形，这可以作为警告信号，表明材料接近其极限。这一特性使得塑性断裂在设计更安全的结构和组件中成为一个重要概念。例如，考虑一个承受重载的金属梁。如果该梁由延展性材料制成，在极端条件下可能会表现出塑性断裂。在梁最终失效之前，它会弯曲和变形，提供可视线索，提醒工程师即将发生的失效。这一早期警告可以让工程师采取预防措施，例如加固梁或重新分配负载。另一方面，如果梁是由脆性材料制成的，它可能会突然断裂，而没有任何先前的迹象，这可能导致严重后果。对塑性断裂的研究还扩展到聚合物领域，聚合物由于其轻便和多功能的特性而被广泛应用于各个行业。当聚合物受到应力时，它们也可能经历塑性断裂，特别是在未正确加工或暴露于极端温度的情况下。了解这些材料在不同条件下的行为对于工程师确保其设计的可靠性和安全性至关重要。此外，技术的进步导致了新材料的发展，这些材料在与塑性断裂相关的性能上得到了增强。例如，复合材料结合了两种或更多的成分材料，可以被设计来优化其对塑性断裂的抵抗力。通过仔细选择成分及其排列，工程师可以创造出不仅能承受高应力，而且提供比传统材料更好性能的材料。总之，塑性断裂的概念是材料科学的一个基本方面，在结构和组件的设计与分析中发挥着关键作用。通过理解塑性断裂背后的机制，工程师可以做出明智的决策，从而提高其产品的安全性和可靠性。随着我们不断创新和开发新材料，理解塑性断裂的重要性只会增加，确保我们能够为现代工程面临的挑战创造更安全、更高效的解决方案。