contraction stress

简明释义

收缩应力

英英释义

例句

1.The architect designed the building with features to minimize contraction stress due to temperature changes.

建筑师设计了建筑，以减少因温度变化而产生的收缩应力。

2.In the lab, we studied the effects of contraction stress on metal fatigue over time.

在实验室，我们研究了收缩应力对金属疲劳随时间变化的影响。

3.The engineer explained how to measure contraction stress in materials during temperature changes.

工程师解释了如何在温度变化期间测量材料中的收缩应力。

4.Understanding contraction stress is crucial for designing bridges that can withstand temperature fluctuations.

理解收缩应力对于设计能够承受温度波动的桥梁至关重要。

5.The construction team had to account for contraction stress when pouring concrete in cold weather.

施工团队在寒冷天气下浇筑混凝土时必须考虑收缩应力。

作文

In the world of physics and engineering, understanding the concept of contraction stress is crucial for designing structures that can withstand various forces. Contraction stress refers to the internal stress that develops in a material when it undergoes a reduction in size or volume due to temperature changes or other external factors. This phenomenon is particularly significant in materials like metals, plastics, and concrete, where thermal expansion and contraction can lead to structural failures if not properly accounted for.To illustrate the importance of contraction stress, consider the construction of bridges. Engineers must design these structures to accommodate not only the weight of vehicles but also the effects of temperature fluctuations. During hot weather, materials expand, while in cold conditions, they contract. If a bridge's design does not take into account the contraction stress that occurs during colder months, it could result in cracks or even catastrophic failures. Therefore, engineers often incorporate expansion joints in bridges to allow for movement without compromising the integrity of the structure.Moreover, contraction stress is not limited to large structures. It also plays a pivotal role in everyday objects. For instance, when glass items are heated and then rapidly cooled, they can experience significant contraction stress. This stress can lead to cracking or shattering, which is why glassblowers must carefully control the temperature during the shaping process. Understanding how contraction stress affects glass is essential for artisans to create durable products.Another area where contraction stress is critical is in the manufacturing of electronic components. Many electronic devices contain materials that expand and contract with temperature changes. If the designers do not consider the potential for contraction stress, the components may fail, leading to malfunctions in the devices. Thus, manufacturers conduct extensive testing to ensure that their products can handle the stresses associated with temperature variations.In the realm of civil engineering, the implications of contraction stress extend to the maintenance of existing structures. Over time, buildings and bridges can develop issues related to contraction stress due to repeated cycles of heating and cooling. Engineers must regularly inspect these structures for signs of wear and tear, ensuring that any contraction stress related damage is addressed promptly to maintain safety standards.In conclusion, contraction stress is a fundamental concept in various fields, including engineering, manufacturing, and art. By understanding how materials respond to temperature changes and the internal stresses that arise, professionals can create safer, more reliable structures and products. Whether it’s a bridge designed to endure the elements or a piece of glass art crafted with care, considering contraction stress is essential for success. As we continue to innovate and develop new technologies, the awareness of contraction stress will remain a vital aspect of material science and engineering practices.

在物理和工程的世界中，理解收缩应力的概念对于设计能够承受各种力量的结构至关重要。收缩应力是指材料在因温度变化或其他外部因素而发生尺寸或体积减少时所产生的内部应力。这种现象在金属、塑料和混凝土等材料中尤其重要，因为如果不加以考虑，热膨胀和收缩可能会导致结构失效。为了说明收缩应力的重要性，可以考虑桥梁的建设。工程师必须设计这些结构，以适应不仅是车辆的重量，还有温度波动的影响。在炎热的天气中，材料会膨胀，而在寒冷的条件下，它们会收缩。如果桥梁的设计没有考虑到在寒冷月份发生的收缩应力，可能会导致裂缝甚至灾难性的失败。因此，工程师通常在桥梁中加入伸缩缝，以允许运动而不损害结构的完整性。此外，收缩应力并不仅限于大型结构。它在日常物品中也发挥着关键作用。例如，当玻璃物品被加热然后迅速冷却时，它们可能会经历显著的收缩应力。这种应力可能导致开裂或破碎，这就是为什么玻璃吹制工艺必须在成形过程中仔细控制温度。理解收缩应力如何影响玻璃对于工匠创造耐用产品至关重要。在电子组件的制造中，收缩应力也是至关重要的。许多电子设备包含随温度变化而膨胀和收缩的材料。如果设计者没有考虑收缩应力的潜在影响，组件可能会失效，导致设备故障。因此，制造商进行广泛的测试，以确保其产品能够承受与温度变化相关的应力。在土木工程领域，收缩应力的影响延伸到现有结构的维护。随着时间的推移，建筑物和桥梁可能会因反复的加热和冷却循环而出现与收缩应力相关的问题。工程师必须定期检查这些结构，以寻找磨损和撕裂的迹象，确保及时解决任何与收缩应力相关的损坏，以维持安全标准。总之，收缩应力是多个领域的基本概念，包括工程、制造和艺术。通过理解材料如何响应温度变化及由此产生的内部应力，专业人员可以创造出更安全、更可靠的结构和产品。无论是设计用于承受自然元素的桥梁，还是精心制作的玻璃艺术品，考虑收缩应力都是成功的关键。随着我们继续创新和开发新技术，意识到收缩应力将始终是材料科学和工程实践的重要方面。