accelerated creep

简明释义

加速蠕动;

英英释义

例句

1.In long-term tests, the accelerated creep of the polymer was observed under constant stress.

在长期测试中，观察到聚合物在恒定应力下的加速蠕变。

2.The accelerated creep phenomenon can lead to premature failure of structural components.

这种加速蠕变现象可能导致结构组件的过早失效。

3.The design must account for accelerated creep to ensure the longevity of the product.

设计必须考虑到加速蠕变以确保产品的耐久性。

4.Researchers are studying the accelerated creep behavior of metals at elevated temperatures.

研究人员正在研究金属在高温下的加速蠕变行为。

5.The engineers noticed that the materials were undergoing accelerated creep due to the high temperatures in the reactor.

工程师注意到，由于反应堆中的高温，材料正在经历加速蠕变。

作文

In the field of material science and engineering, understanding the behavior of materials under stress is crucial for ensuring their durability and reliability. One phenomenon that often raises concerns among engineers is what is known as accelerated creep. This term refers to the increased rate of deformation that occurs in materials when they are subjected to constant stress over time, particularly at elevated temperatures. The implications of accelerated creep can be significant, especially in industries such as aerospace, automotive, and civil engineering, where the integrity of materials is paramount.Creep itself is a time-dependent deformation that occurs in materials when they are exposed to high temperatures and constant loads. It is a gradual process that can lead to permanent deformation, which may compromise the structural integrity of components. However, accelerated creep describes a situation where this deformation occurs at an unusually rapid pace, often due to factors such as increased temperature, higher stress levels, or the presence of certain environmental conditions.For instance, in the aerospace industry, components such as turbine blades are subjected to extreme temperatures and stresses during operation. If these components experience accelerated creep, they may fail earlier than expected, leading to catastrophic consequences. Engineers must account for this behavior when designing components, ensuring that they can withstand the conditions they will face throughout their operational life.To mitigate the effects of accelerated creep, researchers are continually exploring new materials and coatings that can enhance resistance to creep deformation. For example, superalloys, which are designed to maintain strength at high temperatures, are commonly used in jet engines and gas turbines. These materials are engineered to resist not only regular creep but also accelerated creep, thereby extending the lifespan of critical components.Moreover, understanding the mechanisms behind accelerated creep is essential for developing predictive models that can help engineers estimate the lifespan of materials under various conditions. By studying the microstructural changes that occur in materials as they undergo creep, researchers can better predict when and how failure might occur. This knowledge allows for proactive measures to be taken, such as routine inspections and timely maintenance, which are crucial for safety in high-stakes environments.In conclusion, accelerated creep is a vital concept in material science that underscores the importance of understanding how materials behave under stress over time. As technology advances and the demands on materials increase, addressing the challenges posed by accelerated creep will be essential for ensuring the safety and reliability of various engineering applications. By investing in research and development, the industry can continue to innovate and improve material performance, ultimately leading to safer and more efficient designs in the future.

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耐久性和可靠性至关重要。工程师们常常担忧的一种现象是被称为加速蠕变。这个术语指的是当材料在高温下受到恒定应力时，变形速率增加的现象。加速蠕变的影响可能是显著的，尤其是在航空航天、汽车和土木工程等行业中，材料的完整性至关重要。蠕变本身是指材料在高温和恒定负载下发生的时间依赖性变形。这是一个逐渐的过程，可能导致永久变形，从而危及组件的结构完整性。然而，加速蠕变描述的是一种变形以异常快速的速度发生的情况，通常是由于温度升高、应力水平更高或某些环境条件的存在。例如，在航空航天行业，涡轮叶片等组件在运行过程中承受极端温度和应力。如果这些组件经历加速蠕变，它们可能会比预期更早失效，导致灾难性后果。工程师必须在设计组件时考虑这种行为，确保它们能够承受在整个操作生命周期内面临的条件。为了减轻加速蠕变的影响，研究人员不断探索新材料和涂层，以增强对蠕变变形的抵抗力。例如，超级合金被设计用于在高温下保持强度，通常用于喷气发动机和燃气涡轮。这些材料经过工程设计，以抵抗不仅是常规蠕变，还有加速蠕变，从而延长关键组件的使用寿命。此外，理解加速蠕变背后的机制对于开发预测模型至关重要，这可以帮助工程师估计材料在各种条件下的使用寿命。通过研究材料在经历蠕变时发生的微观结构变化，研究人员可以更好地预测何时以及如何发生故障。这一知识使得可以采取主动措施，例如定期检查和及时维护，这在高风险环境中至关重要。总之，加速蠕变是材料科学中的一个重要概念，强调了理解材料在应力下随时间变化的行为的重要性。随着技术的进步和对材料的需求增加，解决加速蠕变所带来的挑战将对确保各种工程应用的安全性和可靠性至关重要。通过投资于研究和开发，行业可以继续创新和改善材料性能，最终在未来实现更安全、更高效的设计。