primary creep

简明释义

初期蠕变

英英释义

例句

1.During the test, the specimen showed signs of primary creep after only a few hours, indicating 初级蠕变.

在测试中，样本在仅几个小时后就显示出初级蠕变的迹象。

2.The research focused on the effects of temperature on primary creep, particularly in metals, or 初级蠕变.

研究集中在温度对金属的初级蠕变影响上。

3.Understanding primary creep is crucial for predicting the long-term behavior of materials under stress, or 初级蠕变.

理解初级蠕变对于预测材料在应力下的长期行为至关重要，或称为初级蠕变。

4.The material exhibited significant primary creep during the initial loading phase, which is known as 初级蠕变.

材料在初始加载阶段表现出显著的初级蠕变，这被称为初级蠕变。

5.Engineers must account for primary creep when designing structures that will be subjected to high temperatures, or 初级蠕变.

工程师在设计将承受高温的结构时，必须考虑初级蠕变。

作文

In the field of materials science and engineering, understanding the behavior of materials under stress is crucial for ensuring their longevity and reliability. One important phenomenon that engineers must consider is called primary creep. This term refers to the initial stage of creep deformation, which occurs when a material is subjected to a constant load over time. During this phase, the material experiences a gradual increase in strain, although the rate of deformation is relatively slow compared to later stages of creep. The significance of primary creep lies in its implications for the design and analysis of structures that will be exposed to sustained loads, such as bridges, buildings, and other critical infrastructure.The process of primary creep can be attributed to several factors, including temperature, material properties, and the magnitude of the applied load. As materials are subjected to stress, their atomic structure begins to rearrange, leading to microscopic changes that result in macroscopic deformation. In the primary creep stage, this deformation is primarily elastic, meaning that if the load is removed, the material has the potential to return to its original shape. However, if the load persists, the material may enter the next stage of creep, known as secondary creep.Understanding primary creep is essential for engineers when selecting materials for specific applications. For instance, metals and polymers exhibit different creep behaviors, and knowing how a material behaves under prolonged stress can help in making informed decisions about which materials to use in construction projects. Additionally, the duration of the primary creep phase can vary significantly depending on the type of material and the environmental conditions it is subjected to. This variability necessitates careful testing and analysis to ensure that structures can withstand the forces they will encounter throughout their lifespan.Moreover, the study of primary creep is not limited to theoretical applications; it also has practical implications in various industries. For example, in the aerospace sector, components must endure high temperatures and pressures over extended periods. Engineers must account for primary creep when designing parts to ensure they do not fail prematurely due to deformation. Similarly, in the energy sector, power plants rely on materials that can withstand thermal stresses, making an understanding of primary creep vital for maintaining operational efficiency and safety.In conclusion, primary creep is a fundamental concept in materials science that describes the initial stage of creep deformation under constant load. Its understanding is crucial for engineers and designers who aim to create durable and reliable structures. By recognizing the factors that influence primary creep, professionals can make better material choices and design more resilient systems. Ultimately, the study of primary creep not only enhances our knowledge of material behavior but also plays a significant role in advancing technology and infrastructure development.

初级蠕变是材料科学和工程领域中的一个重要现象，理解材料在应力下的行为对确保其耐久性和可靠性至关重要。这个术语指的是当材料在恒定负荷下随时间发生的蠕变变形的初始阶段。在这个阶段，材料经历了逐渐的应变增加，尽管与后期的蠕变相比，变形速率相对较慢。初级蠕变的重要性在于它对设计和分析将面临持续负荷的结构（如桥梁、建筑物和其他关键基础设施）的影响。初级蠕变过程可以归因于多个因素，包括温度、材料特性和施加负荷的大小。当材料受到应力时，其原子结构开始重新排列，导致微观变化，从而引起宏观变形。在初级蠕变阶段，这种变形主要是弹性的，这意味着如果去除负荷，材料有可能恢复到其原始形状。然而，如果负荷持续存在，材料可能会进入下一个蠕变阶段，即次级蠕变。理解初级蠕变对于工程师在选择特定应用的材料时至关重要。例如，金属和聚合物表现出不同的蠕变行为，了解材料在长期应力下的行为可以帮助做出关于在建设项目中使用哪些材料的明智决策。此外，初级蠕变阶段的持续时间可能根据材料类型和所处环境条件的不同而显著变化。这种变异性需要仔细的测试和分析，以确保结构能够承受其整个寿命期间将遇到的力量。此外，初级蠕变的研究不仅限于理论应用；它在各个行业中也具有实际意义。例如，在航空航天行业，组件必须在高温和高压下耐久。因此，工程师在设计零件时必须考虑初级蠕变，以确保它们不会因变形而过早失效。同样，在能源部门，发电厂依赖于能够承受热应力的材料，因此了解初级蠕变对于保持操作效率和安全至关重要。总之，初级蠕变是材料科学中的一个基本概念，描述了在恒定负荷下蠕变变形的初始阶段。其理解对旨在创建耐用和可靠结构的工程师和设计师至关重要。通过认识影响初级蠕变的因素，专业人员可以做出更好的材料选择并设计出更具韧性的系统。最终，初级蠕变的研究不仅增强了我们对材料行为的知识，而且在推动技术和基础设施发展方面发挥了重要作用。