fracture stress

简明释义

断裂应力

英英释义

例句

1.The fracture stress of the new alloy was tested under various temperature conditions.

新合金的断裂应力在不同温度条件下进行了测试。

2.Understanding fracture stress is crucial for designing safe structures in civil engineering.

理解断裂应力对于土木工程中设计安全结构至关重要。

3.The engineer calculated the fracture stress to ensure the material would withstand the applied loads.

工程师计算了断裂应力以确保材料能够承受施加的负荷。

4.The researchers published their findings on the fracture stress of composite materials.

研究人员发布了关于复合材料断裂应力的研究结果。

5.High fracture stress values indicate a material's ability to resist cracking.

高断裂应力值表明材料抵抗开裂的能力。

作文

Understanding the concept of fracture stress is essential for anyone studying materials science or engineering. In simple terms, fracture stress refers to the stress level at which a material fails or fractures under load. This concept is crucial because it helps engineers determine the limits of materials used in construction and manufacturing. When designing structures, such as bridges or buildings, knowing the fracture stress of the materials involved ensures safety and reliability. For instance, consider a steel beam used in a high-rise building. Engineers must calculate the maximum load the beam can support without exceeding its fracture stress. If the load surpasses this threshold, the beam may undergo deformation or even break, leading to catastrophic failures. Therefore, understanding fracture stress allows engineers to choose appropriate materials and design safe structures that can withstand various forces, including weight, wind, and seismic activity.Moreover, fracture stress is not a static value; it can vary based on several factors, including temperature, material composition, and the presence of defects. For example, a metal subjected to extreme temperatures may experience changes in its fracture stress, making it more susceptible to failure. Similarly, materials with microscopic flaws or inclusions may have lower fracture stress than their flawless counterparts. Thus, testing materials for their fracture stress under different conditions is a vital part of the engineering process.In practical applications, engineers often perform tests to determine the fracture stress of materials. These tests can include tensile tests, where a sample is pulled until it breaks, allowing scientists to measure the exact point of fracture. The results from these tests provide valuable data that inform the design and selection of materials for specific applications. Furthermore, the implications of fracture stress extend beyond engineering and construction. In the field of medicine, understanding the fracture stress of biological tissues is critical, especially in orthopedics. Doctors must consider the fracture stress of bones when diagnosing fractures or planning surgeries. For example, if a bone is weakened due to disease or injury, its fracture stress may be significantly lower, necessitating different treatment approaches.In conclusion, the concept of fracture stress plays a pivotal role in various fields, particularly in engineering and medicine. By understanding and applying the principles of fracture stress, professionals can ensure the integrity and safety of structures, materials, and even biological systems. As technology advances, ongoing research will continue to refine our understanding of fracture stress, leading to safer and more efficient designs in the future.

理解断裂应力的概念对任何学习材料科学或工程的人来说都是至关重要的。简单来说，断裂应力是指材料在负载下失效或断裂时的应力水平。这个概念非常重要，因为它帮助工程师确定在建筑和制造中使用的材料的极限。在设计结构（如桥梁或建筑物）时，了解所用材料的断裂应力可以确保安全性和可靠性。 例如，考虑用于高层建筑的钢梁。工程师必须计算梁在不超过其断裂应力的情况下可以承受的最大负载。如果负载超过此阈值，梁可能会发生变形甚至断裂，从而导致灾难性的故障。因此，理解断裂应力使工程师能够选择合适的材料并设计出能够承受各种力量（包括重量、风力和地震活动）的安全结构。此外，断裂应力不是一个静态值；它会根据多个因素而变化，包括温度、材料成分和缺陷的存在。例如，受到极端温度影响的金属可能会经历其断裂应力的变化，使其更容易发生故障。类似地，具有微观缺陷或夹杂物的材料可能比无缺陷的材料具有更低的断裂应力。因此，在不同条件下测试材料的断裂应力是工程过程中的关键部分。在实际应用中，工程师通常会进行测试以确定材料的断裂应力。这些测试可以包括拉伸测试，其中样本被拉直到断裂，从而允许科学家测量断裂的确切点。这些测试的结果提供了有价值的数据，以告知特定应用的材料设计和选择。此外，断裂应力的影响不仅限于工程和建筑。在医学领域，理解生物组织的断裂应力至关重要，尤其是在骨科方面。医生在诊断骨折或计划手术时必须考虑骨骼的断裂应力。例如，如果由于疾病或受伤而导致骨骼变弱，其断裂应力可能显著降低，这需要不同的治疗方法。总之，断裂应力的概念在各个领域发挥着关键作用，特别是在工程和医学领域。通过理解和应用断裂应力的原理，专业人员可以确保结构、材料甚至生物系统的完整性和安全性。随着技术的进步，持续的研究将继续完善我们对断裂应力的理解，从而在未来实现更安全、更高效的设计。