creep strain

简明释义

蠕变应变

英英释义

例句

1.During testing, the sample showed significant creep strain 蠕变应变 after being subjected to stress for several hours.

在测试过程中，样本在承受压力几个小时后显示出显著的creep strain 蠕变应变。

2.In high-temperature applications, creep strain 蠕变应变 can lead to premature failure of components.

在高温应用中，creep strain 蠕变应变可能导致组件的过早失效。

3.The research focused on the effects of temperature on creep strain 蠕变应变 in polymers.

研究集中于温度对聚合物中creep strain 蠕变应变的影响。

4.To ensure safety, engineers must calculate the creep strain 蠕变应变 in structural materials used in bridges.

为了确保安全，工程师必须计算用于桥梁的结构材料中的creep strain 蠕变应变。

5.The engineer explained that the material would experience creep strain 蠕变应变 over time under constant load.

工程师解释说，材料在恒定负载下会随着时间的推移经历creep strain 蠕变应变。

作文

Creep strain is a term used in materials science and engineering to describe the gradual deformation of a material under constant stress over time. This phenomenon occurs when a material is subjected to a load that is less than its yield strength, but it still deforms slowly and continuously. Understanding creep strain (蠕变应变) is crucial for engineers and designers, especially when working with materials that will be exposed to high temperatures or prolonged stress conditions.One of the most common examples of creep strain (蠕变应变) can be observed in metals and polymers. For instance, when a metal component is used in a high-temperature environment, such as in gas turbines or nuclear reactors, it may undergo creep strain (蠕变应变) over time. This gradual deformation can lead to failure if not accounted for during the design phase. Engineers must take into consideration the material properties, temperature, and duration of the load when predicting how much creep strain (蠕变应变) will occur.The mechanisms behind creep strain (蠕变应变) involve the movement of dislocations within the material's crystal structure. At elevated temperatures, atoms gain energy and can move more freely, allowing dislocations to glide and multiply, which results in permanent deformation. There are three stages of creep strain (蠕变应变): primary, secondary, and tertiary creep. In the primary stage, the rate of deformation decreases over time. In the secondary stage, the rate becomes constant, and in the tertiary stage, the rate accelerates until failure occurs.To mitigate the effects of creep strain (蠕变应变), engineers often select materials with high creep resistance or design components with safety factors that account for potential deformation. Additionally, testing methods, such as creep tests, are employed to measure the amount of creep strain (蠕变应变) a material can withstand under specific conditions. These tests provide valuable data that inform design decisions and ensure the structural integrity of components in real-world applications.In conclusion, creep strain (蠕变应变) is a significant factor to consider in the field of engineering and materials science. By understanding the mechanisms and implications of creep strain (蠕变应变), engineers can make informed decisions that enhance the durability and performance of materials used in various applications. As technology advances, the study of creep strain (蠕变应变) will continue to play a vital role in the development of safer and more efficient structures and systems.

蠕变应变是材料科学和工程中用来描述材料在恒定应力下随时间逐渐变形的术语。这种现象发生在材料受到的载荷低于其屈服强度，但仍然缓慢且持续地变形。理解蠕变应变（creep strain）对工程师和设计师至关重要，特别是在处理将暴露于高温或长期应力条件下的材料时。蠕变应变（creep strain）最常见的例子可以在金属和聚合物中观察到。例如，当金属组件在高温环境中使用时，如在燃气涡轮或核反应堆中，它可能会随着时间的推移而经历蠕变应变（creep strain）。这种逐渐变形如果在设计阶段没有考虑，可能导致故障。工程师必须考虑材料特性、温度和载荷持续时间，以预测会发生多少蠕变应变（creep strain）。导致蠕变应变（creep strain）的机制涉及材料晶体结构内位错的运动。在高温下，原子获得能量，可以更自由地移动，从而使位错滑动和增殖，导致永久变形。蠕变应变（creep strain）分为三个阶段：初级、次级和三级蠕变。在初级阶段，变形速率随时间减小。在次级阶段，速率保持恒定，而在三级阶段，速率加速直到发生故障。为了减轻蠕变应变（creep strain）的影响，工程师通常选择具有高蠕变抗性的材料，或设计具有考虑潜在变形的安全系数的组件。此外，采用蠕变测试等测试方法来测量材料在特定条件下能够承受的蠕变应变（creep strain）量。这些测试提供了有价值的数据，帮助指导设计决策，并确保实际应用中组件的结构完整性。总之，蠕变应变（creep strain）是工程和材料科学领域需要考虑的重要因素。通过理解蠕变应变（creep strain）的机制和影响，工程师可以做出明智的决策，增强用于各种应用的材料的耐久性和性能。随着技术的进步，蠕变应变（creep strain）的研究将继续在开发更安全、更高效的结构和系统中发挥至关重要的作用。