plastic yield

简明释义

塑性屈服

英英释义

Plastic yield refers to the point at which a material undergoes permanent deformation under stress, meaning it has reached its yield strength and will not return to its original shape once the stress is removed.

塑性屈服是指材料在应力作用下发生永久变形的点,这意味着它已达到其屈服强度,一旦去除应力将无法恢复到原始形状。

例句

1.In structural design, understanding the plastic yield is crucial for ensuring safety under extreme conditions.

在结构设计中,理解塑性屈服对于确保在极端条件下的安全至关重要。

2.The engineer calculated the plastic yield to determine the maximum load the material could withstand before permanent deformation.

工程师计算了塑性屈服以确定材料在永久变形之前能够承受的最大负载。

3.The plastic yield point of this alloy is significantly higher than that of regular steel.

这种合金的塑性屈服点明显高于普通钢材。

4.During the testing phase, we observed that the plastic yield varied with temperature changes.

在测试阶段,我们观察到塑性屈服随着温度变化而变化。

5.To improve the product's durability, we need to enhance its plastic yield characteristics.

为了提高产品的耐用性,我们需要增强其塑性屈服特性。

作文

In the field of materials science and engineering, understanding the properties of materials is crucial for various applications. One important concept that frequently arises in the study of materials is plastic yield. The term plastic yield refers to the point at which a material begins to deform permanently under stress. This means that once the applied stress exceeds a certain threshold, the material will not return to its original shape even after the stress is removed. This property is particularly significant in metals and polymers, where understanding the limits of deformation can help engineers design safer and more efficient structures.The significance of plastic yield becomes evident when we consider how materials behave under load. For example, in construction, steel beams are used to support heavy loads. Knowing the plastic yield of steel allows engineers to calculate how much weight these beams can safely hold without undergoing permanent deformation. If the load exceeds the plastic yield, the beams could bend or warp, compromising the integrity of the entire structure.Moreover, the plastic yield is also essential in the manufacturing process. When shaping materials, such as during metal forging or plastic molding, manufacturers must ensure that the applied forces do not exceed the plastic yield of the material. If they do, the product may not meet quality standards, leading to defects and increased costs. Therefore, understanding the plastic yield helps manufacturers optimize their processes and produce high-quality products.Another aspect to consider is the relationship between plastic yield and temperature. Many materials exhibit different plastic yield points at varying temperatures. For instance, metals tend to become more ductile and have a higher plastic yield at elevated temperatures. This behavior is crucial in processes like welding, where heat is applied to join materials together. Engineers must account for these changes in plastic yield to ensure successful welding and avoid failures in the final product.Furthermore, the concept of plastic yield is not limited to mechanical engineering but extends to fields such as geology and biology. In geology, the plastic yield of rocks can influence the stability of slopes and the formation of landslides. In biology, understanding the plastic yield of biological tissues can aid in the development of medical devices that interact with human bodies, ensuring that they do not cause harm due to excessive stress.In conclusion, the concept of plastic yield is fundamental across various disciplines. It plays a critical role in ensuring safety, quality, and efficiency in material usage. By understanding the plastic yield of different materials, engineers and scientists can make informed decisions that lead to better designs and innovations. Whether in construction, manufacturing, or even natural sciences, recognizing the importance of plastic yield is essential for advancing our knowledge and capabilities in working with materials.

在材料科学和工程领域,理解材料的属性对各种应用至关重要。一个经常出现在材料研究中的重要概念是塑性屈服。术语塑性屈服指的是材料在应力作用下开始永久变形的点。这意味着一旦施加的应力超过某个阈值,材料将无法在应力移除后恢复到其原始形状。这个特性在金属和聚合物中尤为重要,理解变形的极限可以帮助工程师设计更安全、更高效的结构。塑性屈服的重要性在考虑材料在负载下的行为时变得明显。例如,在建筑中,钢梁用于支撑重负荷。了解钢的塑性屈服使工程师能够计算这些梁可以安全承受的重量,而不会发生永久变形。如果负载超过了塑性屈服,梁可能会弯曲或变形,从而危及整个结构的完整性。此外,塑性屈服在制造过程中也至关重要。在成型材料时,例如在金属锻造或塑料成型过程中,制造商必须确保施加的力量不超过材料的塑性屈服。如果超过了,产品可能无法达到质量标准,导致缺陷和成本增加。因此,理解塑性屈服帮助制造商优化他们的过程,生产高质量的产品。另一个需要考虑的方面是塑性屈服与温度之间的关系。许多材料在不同温度下表现出不同的塑性屈服点。例如,金属在高温下往往变得更加延展,具有更高的塑性屈服。这种行为在焊接等过程中至关重要,在这些过程中,需要施加热量以将材料连接在一起。工程师必须考虑这些塑性屈服的变化,以确保成功焊接并避免最终产品的故障。此外,塑性屈服的概念不仅限于机械工程,还扩展到地质学和生物学等领域。在地质学中,岩石的塑性屈服可能影响坡度的稳定性和滑坡的形成。在生物学中,理解生物组织的塑性屈服可以帮助开发与人体相互作用的医疗设备,确保它们不会因过度应力而造成伤害。总之,塑性屈服的概念在各个学科中都是基础。它在确保材料使用的安全性、质量和效率方面发挥着关键作用。通过理解不同材料的塑性屈服,工程师和科学家可以做出明智的决策,从而带来更好的设计和创新。无论是在建筑、制造还是自然科学中,认识到塑性屈服的重要性对于推动我们在材料工作中的知识和能力至关重要。

相关单词

plastic

plastic详解:怎么读、什么意思、用法