torsional creeping crack

简明释义

扭转蠕变裂纹

英英释义

例句

1.The engineer discovered a torsional creeping crack 扭转蠕变裂缝 in the metal shaft during routine maintenance.

工程师在例行维护中发现金属轴上有一个torsional creeping crack 扭转蠕变裂缝。

2.The presence of a torsional creeping crack 扭转蠕变裂缝 can significantly reduce the lifespan of machinery.

存在torsional creeping crack 扭转蠕变裂缝会显著缩短机器的使用寿命。

3.Regular inspections are crucial to detect torsional creeping cracks 扭转蠕变裂缝 before they lead to catastrophic failures.

定期检查对于在torsional creeping cracks 扭转蠕变裂缝导致灾难性故障之前发现它们至关重要。

4.We implemented a new monitoring system to detect torsional creeping cracks 扭转蠕变裂缝 in real-time.

我们实施了一种新监测系统，以实时检测torsional creeping cracks 扭转蠕变裂缝。

5.After analyzing the data, we concluded that the torsional creeping crack 扭转蠕变裂缝 was caused by excessive torque.

在分析数据后，我们得出结论，torsional creeping crack 扭转蠕变裂缝是由于过大的扭矩造成的。

作文

In the field of materials science and engineering, understanding the mechanisms that lead to failure in structural components is crucial for ensuring safety and reliability. One such phenomenon that engineers must be aware of is the occurrence of torsional creeping crack, which refers to the gradual propagation of a crack due to torsional (twisting) stresses over time. This type of crack can develop in various materials, particularly metals and polymers, under sustained loads that cause continuous deformation. The term 'torsional' relates to the twisting forces applied to an object, while 'creeping' indicates a slow, time-dependent deformation process. When these two factors combine, they can create conditions that are conducive to crack formation. As materials are subjected to cyclic or constant torsional loads, microscopic defects may begin to grow, leading to eventual failure if not monitored and managed properly. One of the key aspects of torsional creeping crack development is the role of temperature and environmental conditions. Elevated temperatures can accelerate the creep process, making it essential for engineers to consider operating conditions when designing components that will experience torsional loads. For instance, components used in high-temperature environments, such as gas turbines or automotive engines, are particularly susceptible to this type of failure. To mitigate the risk of torsional creeping crack formation, engineers often employ several strategies. Material selection is critical; using alloys or composites that exhibit higher resistance to creep can significantly enhance the longevity of a component. Additionally, employing design techniques that minimize stress concentrations can help distribute loads more evenly, reducing the likelihood of crack initiation. Regular inspection and maintenance practices are also vital in identifying early signs of torsional creeping crack development. Non-destructive testing methods, such as ultrasonic or radiographic testing, can be employed to detect subsurface cracks before they propagate to a critical size. By implementing a proactive approach to monitoring and maintenance, engineers can extend the service life of components and prevent catastrophic failures. In conclusion, the understanding of torsional creeping crack is essential for engineers working with materials subjected to twisting stresses. By recognizing the conditions that lead to this type of failure and implementing appropriate design and maintenance strategies, the integrity and safety of structures can be preserved. As technology continues to advance, ongoing research into the mechanisms of creep and crack propagation will further enhance our ability to predict and prevent these failures, ultimately leading to safer and more reliable engineering solutions.

在材料科学和工程领域，理解导致结构部件失效的机制对于确保安全性和可靠性至关重要。其中一个工程师必须注意的现象是扭转蠕变裂纹的发生，这指的是由于扭转（扭曲）应力随时间逐渐传播的裂纹。这种类型的裂纹可以在各种材料中发展，特别是金属和聚合物，在持续负载下导致持续变形。“扭转”一词与施加于物体的扭曲力相关，而“蠕变”则表示一种缓慢的、与时间相关的变形过程。当这两个因素结合时，它们可以创造出有利于裂纹形成的条件。当材料受到循环或恒定的扭转负载时，微观缺陷可能开始生长，如果不加以监测和管理，最终会导致失效。扭转蠕变裂纹发展的一个关键方面是温度和环境条件的作用。高温可以加速蠕变过程，因此工程师在设计将经历扭转负载的部件时，必须考虑操作条件。例如，用于高温环境的部件，如燃气涡轮或汽车发动机，尤其容易发生这种类型的失效。为了减轻扭转蠕变裂纹形成的风险，工程师通常采用几种策略。材料选择至关重要；使用表现出更高蠕变抗性的合金或复合材料可以显著增强组件的使用寿命。此外，采用减少应力集中设计技术可以帮助更均匀地分配负载，从而降低裂纹产生的可能性。定期检查和维护实践对于识别扭转蠕变裂纹发展的早期迹象也至关重要。无损检测方法，如超声波或射线检测，可以用于在裂纹扩展到临界尺寸之前检测表面下的裂纹。通过实施主动的监测和维护方法，工程师可以延长部件的使用寿命，防止灾难性失效。总之，理解扭转蠕变裂纹对于处理承受扭转应力的材料的工程师至关重要。通过认识导致这种类型失效的条件并实施适当的设计和维护策略，可以保持结构的完整性和安全性。随着技术的不断进步，对蠕变和裂纹传播机制的持续研究将进一步增强我们预测和防止这些失效的能力，最终导致更安全、更可靠的工程解决方案。