creep limit

简明释义

蠕变极限

英英释义

例句

1.The engineer explained that the material's creep limit 蠕变极限 must be considered when designing the bridge.

工程师解释说，在设计桥梁时，必须考虑材料的creep limit 蠕变极限。

2.Understanding the creep limit 蠕变极限 helps in selecting the right materials for aerospace applications.

理解creep limit 蠕变极限有助于为航空航天应用选择合适的材料。

3.Exceeding the creep limit 蠕变极限 of the steel could lead to structural failure over time.

超过钢材的creep limit 蠕变极限可能会导致结构随时间的失败。

4.In high-temperature applications, it is crucial to monitor the creep limit 蠕变极限 of the components.

在高温应用中，监控组件的creep limit 蠕变极限至关重要。

5.The manufacturer conducted tests to determine the creep limit 蠕变极限 of their new polymer.

制造商进行了测试，以确定其新聚合物的creep limit 蠕变极限。

作文

In the field of engineering and materials science, understanding the mechanical properties of materials is crucial for designing safe and efficient structures. One important concept that engineers must consider is the creep limit, which refers to the maximum stress that a material can withstand under constant load over an extended period without undergoing significant deformation. This phenomenon is particularly relevant in high-temperature applications where materials are subjected to prolonged stress. Creep is a time-dependent deformation that occurs when a material is exposed to a constant load at elevated temperatures. Over time, even materials that are considered strong can begin to deform, leading to potential failure if the applied stress exceeds the creep limit. For instance, in the construction of bridges or buildings, engineers must account for the creep limit of the materials they are using to ensure that the structure remains stable and safe for its intended lifespan.To illustrate this concept, consider the example of a steel beam in a high-temperature environment, such as in power plants or industrial furnaces. If the beam is subjected to a heavy load while also experiencing high temperatures, it may not immediately show signs of deformation. However, over time, the continuous application of stress can cause the beam to gradually bend or elongate, which could lead to catastrophic failure if the creep limit is exceeded. Therefore, engineers often perform creep tests to determine the creep limit of materials, allowing them to make informed decisions about material selection and design.Another critical aspect of understanding the creep limit is its relationship with other mechanical properties, such as tensile strength and yield strength. While tensile strength measures the maximum amount of tensile stress a material can withstand before failure, the creep limit focuses on the material's behavior under sustained loading conditions. This distinction is vital because a material might have high tensile strength but still fail due to creep if its creep limit is low.In industries such as aerospace and automotive, where components are often exposed to extreme conditions, understanding the creep limit becomes even more critical. Engineers must design parts that not only meet immediate performance requirements but also maintain integrity over time. Failure to consider the creep limit can result in costly repairs, safety hazards, and reduced operational efficiency.In conclusion, the creep limit is an essential concept in material science and engineering that plays a vital role in ensuring the longevity and safety of structures and components. By understanding and applying the principles related to the creep limit, engineers can design more reliable systems that withstand the test of time and various environmental conditions. As technology advances, the study of creep behavior and the determination of creep limit will continue to be an area of significant research and development, ultimately contributing to safer and more efficient engineering practices.

在工程和材料科学领域，理解和掌握材料的机械性能对于设计安全和高效的结构至关重要。工程师必须考虑的一个重要概念是蠕变极限，它指的是材料在长时间内承受恒定负载而不发生显著变形的最大应力。这一现象在高温应用中尤为相关，因为材料在长期应力作用下可能会发生变形。蠕变是一种时间依赖性变形，发生在材料在升高温度下承受恒定负载时。随着时间的推移，即使被认为强度较高的材料也可能开始变形，如果施加的应力超过了蠕变极限，则可能导致潜在的失效。例如，在桥梁或建筑物的施工中，工程师必须考虑所使用材料的蠕变极限，以确保结构在其预期使用寿命内保持稳定和安全。为说明这一概念，考虑一个处于高温环境中的钢梁，例如在发电厂或工业炉中。如果该梁在高温条件下承受重负载，可能不会立即显示出变形迹象。然而，随着时间的推移，持续施加的应力可能导致梁逐渐弯曲或延长，如果超过了蠕变极限，则可能导致灾难性失效。因此，工程师通常会进行蠕变测试，以确定材料的蠕变极限，使他们能够对材料选择和设计做出明智的决策。理解蠕变极限的另一个关键方面是它与其他机械性能之间的关系，例如抗拉强度和屈服强度。抗拉强度衡量的是材料在破坏前能够承受的最大拉应力，而蠕变极限则侧重于材料在持续加载条件下的行为。这一区别至关重要，因为一种材料可能具有高抗拉强度，但如果其蠕变极限较低，仍可能因蠕变而失效。在航空航天和汽车等行业中，组件经常暴露于极端条件下，因此理解蠕变极限变得更加重要。工程师必须设计不仅能满足即时性能要求的部件，还能在长时间内保持完整性。如果不考虑蠕变极限，可能会导致昂贵的维修、安全隐患和降低的操作效率。总之，蠕变极限是材料科学和工程中一个重要的概念，在确保结构和组件的耐久性和安全性方面发挥着至关重要的作用。通过理解和应用与蠕变极限相关的原理，工程师可以设计出更可靠的系统，以承受时间和各种环境条件的考验。随着技术的进步，蠕变行为的研究和蠕变极限的确定将继续是一个重要的研究和发展领域，最终有助于更安全和更高效的工程实践。