yield point
简明释义
屈服点
英英释义
The yield point is the stress at which a material begins to deform plastically, meaning it will not return to its original shape once the stress is removed. | 屈服点是材料开始发生塑性变形的应力,此时一旦去除应力,材料将无法恢复到其原始形状。 |
例句
1.Knowing the yield point helps in selecting the right materials for construction.
了解屈服点有助于选择合适的建筑材料。
2.The yield point is critical in determining the safety factors for structural components.
屈服点对于确定结构组件的安全系数至关重要。
3.In tensile testing, the yield point indicates the stress at which a material begins to yield.
在拉伸测试中,屈服点表示材料开始屈服的应力。
4.The material reached its yield point, causing it to deform permanently.
材料达到了它的屈服点,导致其永久变形。
5.Engineers must consider the yield point of steel when designing bridges.
工程师在设计桥梁时必须考虑钢材的屈服点。
作文
Understanding the concept of the yield point is crucial in various fields, particularly in materials science and engineering. The yield point, also known as the yield strength, refers to the stress at which a material begins to deform plastically. Beyond this point, the material will not return to its original shape when the applied stress is removed, which can lead to permanent deformation. This characteristic is significant in determining how materials behave under different types of loads and forces.In engineering applications, knowing the yield point of materials is essential for designing safe and effective structures. For instance, in civil engineering, when constructing buildings or bridges, engineers must select materials that can withstand the expected loads without exceeding their yield point. If a material is subjected to stress beyond its yield point, it can lead to catastrophic failures, such as structural collapses, which can endanger lives and result in significant financial losses.Moreover, the yield point varies among different materials. Metals, plastics, and composites each exhibit unique yield points based on their molecular structure and composition. For example, steel has a higher yield point compared to aluminum, making it a preferred choice for construction purposes where strength is critical. Understanding these differences allows engineers and designers to choose the right material for specific applications.In addition to its significance in engineering, the yield point is also important in manufacturing processes. During the production of metal components, for instance, manufacturers must consider the yield point to avoid damaging the material during shaping or forming processes. If the applied force exceeds the yield point, the metal may become permanently deformed, resulting in defects and waste.Furthermore, the yield point plays a vital role in quality control and testing. Various methods, such as tensile testing, are employed to determine the yield point of materials. These tests help ensure that materials meet the required specifications and standards before they are used in production or construction. By understanding the yield point, manufacturers can maintain high-quality products and minimize the risk of failure in the field.In conclusion, the yield point is a fundamental concept that impacts numerous aspects of engineering, manufacturing, and materials science. Its implications reach far beyond theoretical discussions, influencing real-world applications and safety standards. As technology continues to advance, a deeper understanding of the yield point will be essential for developing new materials and improving existing ones, ultimately leading to safer and more efficient designs in our built environment.
理解屈服点的概念在多个领域中至关重要,特别是在材料科学和工程学中。屈服点,也称为屈服强度,是指材料开始发生塑性变形的应力。在这个点之后,当施加的应力被移除时,材料将无法恢复到其原始形状,这可能导致永久变形。这个特性在确定材料在不同类型的载荷和力下的行为时具有重要意义。在工程应用中,了解材料的屈服点对于设计安全有效的结构至关重要。例如,在土木工程中,在建造建筑物或桥梁时,工程师必须选择能够承受预期载荷而不超过其屈服点的材料。如果材料受到的应力超过其屈服点,可能会导致灾难性的失败,如结构倒塌,这可能危及生命并导致重大财务损失。此外,不同材料的屈服点各不相同。金属、塑料和复合材料根据其分子结构和成分各自表现出独特的屈服点。例如,钢的屈服点高于铝,使其成为建筑用途的首选材料,在这些用途上强度至关重要。理解这些差异使工程师和设计师能够为特定应用选择合适的材料。除了在工程中的重要性之外,屈服点在制造过程中也很重要。在生产金属部件时,例如,制造商必须考虑屈服点以避免在成型或成形过程中损坏材料。如果施加的力超过屈服点,金属可能会永久变形,从而导致缺陷和浪费。此外,屈服点在质量控制和测试中发挥着重要作用。通过各种方法,例如拉伸测试,来确定材料的屈服点。这些测试有助于确保材料在投入生产或建设之前符合所需的规格和标准。通过理解屈服点,制造商可以保持高质量的产品,并最大限度地降低现场故障的风险。总之,屈服点是一个基本概念,影响工程、制造和材料科学的多个方面。它的影响远远超出了理论讨论,影响着现实世界的应用和安全标准。随着技术的不断进步,更深入地理解屈服点对开发新材料和改进现有材料至关重要,最终将导致我们建成环境中更安全、更高效的设计。