strain gauge

简明释义

应变计

英英释义

例句

1.The engineer used a strain gauge to measure the deformation of the bridge under heavy traffic.

工程师使用应变计来测量桥梁在重型交通下的变形。

2.The construction team relied on the strain gauge to assess the safety of the new building structure.

施工团队依靠应变计来评估新建筑结构的安全性。

3.In the lab, we calibrated the strain gauge to ensure accurate readings during the experiment.

在实验室，我们校准了应变计以确保实验中读数的准确性。

4.By analyzing the data from the strain gauge, we were able to predict the material failure.

通过分析来自应变计的数据，我们能够预测材料的失效。

5.The strain gauge was installed on the aircraft wing to monitor stress during flight tests.

该应变计安装在飞机机翼上，以监测飞行测试期间的应力。

作文

In the field of engineering and technology, understanding the behavior of materials under various forces is crucial. One of the essential tools used for this purpose is the strain gauge. A strain gauge (应变计) is a device that measures the amount of deformation or strain experienced by an object when subjected to external forces. By accurately measuring this strain, engineers can determine the stress levels and predict potential failures in structures and components.The principle behind a strain gauge is relatively simple. It consists of a thin wire or foil arranged in a zigzag pattern, which is attached to the surface of the material being tested. When the material deforms due to applied stress, the strain gauge also deforms, causing a change in its electrical resistance. This change can be measured and correlated to the amount of strain experienced by the material.There are various types of strain gauges, including metallic, semiconductor, and optical strain gauges. Metallic strain gauges are the most commonly used due to their reliability and ease of use. They are typically made from a metal foil and are suitable for a wide range of applications. Semiconductor strain gauges, on the other hand, offer higher sensitivity but are more temperature-dependent. Optical strain gauges use light to measure strain and are often employed in situations where electromagnetic interference is a concern.The applications of strain gauges are vast and varied. They are widely used in structural health monitoring, where engineers need to assess the integrity of bridges, dams, and buildings. By placing strain gauges on critical components, they can continuously monitor strain levels and detect any signs of distress before catastrophic failures occur. Additionally, strain gauges are used in the automotive and aerospace industries to test the performance of vehicle components under stress, ensuring safety and reliability.In the realm of research, strain gauges play a vital role in experimental mechanics. Researchers utilize these devices to study material properties and understand how different materials behave under various loading conditions. This knowledge is essential for developing new materials and improving existing ones, leading to advancements in technology and engineering practices.Despite their advantages, using strain gauges also presents challenges. For instance, proper installation is critical to ensure accurate measurements. Any misalignment or improper bonding can lead to erroneous data, which could compromise the integrity of the analysis. Furthermore, environmental factors such as temperature changes can affect the readings of strain gauges, necessitating careful calibration and compensation techniques.In conclusion, the strain gauge (应变计) is an invaluable instrument in engineering and material science. Its ability to measure strain provides insights into the performance and safety of structures and components. As technology advances, the development of more sophisticated strain gauges will continue to enhance our understanding of material behavior, paving the way for safer and more efficient designs in the future.

在工程和技术领域，了解材料在各种力作用下的行为至关重要。用于此目的的基本工具之一是应变计。应变计是一种测量物体在外力作用下所经历的变形或应变的设备。通过准确测量这种应变，工程师可以确定应力水平并预测结构和组件的潜在故障。应变计的原理相对简单。它由一根细线或箔片以锯齿形排列，附着在被测试材料的表面。当材料因施加的应力而变形时，应变计也会变形，导致其电阻发生变化。这个变化可以被测量并与材料所经历的应变量相关联。有多种类型的应变计，包括金属、半导体和光学应变计。金属应变计由于其可靠性和易用性而最为常用。它们通常由金属箔制成，适用于广泛的应用。半导体应变计则提供更高的灵敏度，但对温度更敏感。光学应变计利用光来测量应变，通常用于电磁干扰是个问题的情况下。应变计的应用非常广泛。它们广泛用于结构健康监测，工程师需要评估桥梁、大坝和建筑物的完整性。通过将应变计放置在关键组件上，他们可以持续监测应变水平，检测任何潜在的损伤迹象，以防止灾难性的故障。此外，应变计还用于汽车和航空航天工业，测试车辆组件在应力下的性能，确保安全和可靠性。在研究领域，应变计在实验力学中发挥着重要作用。研究人员利用这些设备研究材料特性，了解不同材料在各种加载条件下的行为。这些知识对于开发新材料和改进现有材料至关重要，从而推动技术和工程实践的发展。尽管有其优势，使用应变计也存在挑战。例如，正确的安装对于确保准确测量至关重要。任何不对齐或不当粘合都可能导致错误的数据，从而影响分析的完整性。此外，温度变化等环境因素可能会影响应变计的读数，因此需要仔细校准和补偿技术。总之，应变计是一种在工程和材料科学中不可或缺的仪器。它测量应变的能力为结构和组件的性能和安全提供了见解。随着技术的进步，更复杂的应变计的发展将继续增强我们对材料行为的理解，为未来更安全、更高效的设计铺平道路。