transient creep

简明释义

瞬时蠕变

英英释义

例句

1.The material exhibited transient creep during the initial loading phase, which caused it to deform temporarily.

材料在初始加载阶段表现出瞬态蠕变，导致其暂时变形。

2.Engineers must account for transient creep when designing components that will experience fluctuating temperatures.

工程师在设计会经历波动温度的组件时，必须考虑到瞬态蠕变。

3.The transient creep observed in the polymer was significant enough to affect its long-term performance.

在聚合物中观察到的瞬态蠕变足以影响其长期性能。

4.Understanding transient creep is crucial for predicting how materials will behave under real-world conditions.

理解瞬态蠕变对于预测材料在现实条件下的行为至关重要。

5.During the test, the sample showed transient creep under high stress conditions.

在测试期间，样本在高应力条件下显示出瞬态蠕变。

作文

In the field of materials science and engineering, understanding the behavior of materials under stress is crucial for ensuring their performance and longevity. One phenomenon that researchers often encounter is transient creep, which refers to the temporary deformation of materials when subjected to a constant load over time. Unlike steady-state creep, which occurs at a constant rate, transient creep happens during the initial stages of loading and is characterized by a rapid increase in strain followed by a gradual stabilization. This concept is particularly important when designing structures or components that must endure varying loads throughout their lifespan.The significance of transient creep can be observed in various engineering applications, including aerospace, civil, and mechanical engineering. For instance, in the aerospace industry, components such as turbine blades experience high temperatures and stresses during operation. Understanding how these materials behave under transient conditions can help engineers predict potential failures and improve the design to enhance safety and efficiency.One of the key factors influencing transient creep is temperature. As the temperature of a material increases, its atomic structure becomes more mobile, leading to a higher rate of deformation. This is particularly evident in metals and polymers, where elevated temperatures can significantly reduce the time it takes for transient creep to occur. Consequently, engineers must carefully consider the operating temperatures of materials when assessing their long-term performance.Another important aspect of transient creep is the role of the material's microstructure. Different materials exhibit varying responses to stress based on their internal structures. For example, crystalline materials may show distinct patterns of transient creep compared to amorphous materials due to differences in how atoms or molecules rearrange themselves under stress. By studying these behaviors, scientists can develop better predictive models to assess the durability of materials under transient loading conditions.To accurately measure transient creep, researchers often employ specialized testing methods that allow them to observe material behavior over time. These tests involve applying a constant load to a material sample and monitoring its deformation. The data collected can then be analyzed to determine the rate of transient creep and how it varies with different factors such as temperature, load magnitude, and material composition.In conclusion, comprehending transient creep is essential for engineers and scientists working with materials that are subjected to varying loads and temperatures. By recognizing the transient nature of this phenomenon, they can make informed decisions about material selection and design, ultimately leading to safer and more reliable structures. As technology continues to advance, further research into transient creep will undoubtedly contribute to the development of innovative materials and engineering solutions that meet the demands of modern applications. Understanding transient creep—即材料在恒定载荷下的暂时变形，是材料科学和工程领域中的一个重要概念。它不仅影响材料的性能，还直接关系到工程设计的安全性与可靠性。

在材料科学和工程领域，理解材料在应力下的行为对于确保其性能和耐久性至关重要。研究人员经常遇到的一种现象是transient creep，即材料在施加恒定负载一段时间后发生的暂时变形。与以恒定速率发生的稳态蠕变不同，transient creep发生在加载的初始阶段，其特征是应变迅速增加，随后逐渐稳定。这个概念在设计必须承受不同载荷的结构或组件时尤为重要。transient creep的重要性可以在航空航天、土木和机械工程等各种工程应用中观察到。例如，在航空航天工业中，涡轮叶片等组件在运行过程中经历高温和高应力。了解这些材料在瞬态条件下的行为可以帮助工程师预测潜在故障并改善设计，以提高安全性和效率。影响transient creep的关键因素之一是温度。随着材料温度的升高，其原子结构变得更加移动，从而导致变形速率增加。这在金属和聚合物中尤其明显，升高的温度可以显著缩短transient creep的发生时间。因此，工程师在评估材料的长期性能时必须仔细考虑材料的操作温度。transient creep的另一个重要方面是材料微观结构的作用。不同材料在应力下的响应因其内部结构的不同而异。例如，晶体材料的transient creep模式可能与非晶材料显著不同，因为原子或分子在应力下重新排列的方式不同。通过研究这些行为，科学家可以开发出更好的预测模型，以评估材料在瞬态载荷条件下的耐久性。为了准确测量transient creep，研究人员通常采用专门的测试方法，使他们能够观察材料随时间的行为。这些测试涉及对材料样本施加恒定负载并监测其变形。收集的数据可以分析以确定transient creep的速率，以及它如何随温度、负载大小和材料成分等不同因素而变化。总之，理解transient creep对于与承受不同载荷和温度的材料打交道的工程师和科学家来说至关重要。通过认识到这一现象的瞬态特性，他们可以在材料选择和设计上做出明智的决策，从而最终导致更安全、更可靠的结构。随着技术的不断进步，对transient creep的进一步研究无疑将有助于开发出满足现代应用需求的创新材料和工程解决方案。