coefficient of contraction

简明释义

收缩系数

英英释义

例句

1.The engineer calculated the coefficient of contraction to determine how much the material would shrink when cooled.

工程师计算了收缩系数以确定材料在冷却时会收缩多少。

2.In the manufacturing process, we must account for the coefficient of contraction to ensure the final product fits correctly.

在制造过程中，我们必须考虑收缩系数以确保最终产品正确适合。

3.The coefficient of contraction varies between different types of plastics, affecting their application in industries.

不同类型塑料的收缩系数各不相同，影响它们在各行业的应用。

4.Calculating the coefficient of contraction helps in designing components that will withstand temperature changes.

计算收缩系数有助于设计能够承受温度变化的部件。

5.Understanding the coefficient of contraction is crucial for predicting the behavior of metals in construction.

理解收缩系数对于预测建筑中金属的行为至关重要。

作文

In the field of materials science and engineering, understanding the properties of materials is crucial for various applications. One important concept that often comes up in this context is the coefficient of contraction. The coefficient of contraction (收缩系数) refers to the ratio that quantifies how much a material shrinks as it is subjected to cooling or other forms of stress. This property is particularly significant when dealing with metals, polymers, and ceramics, as these materials can behave differently under varying temperatures and conditions.For instance, when a metal is heated, it expands; conversely, when it cools down, it contracts. The coefficient of contraction helps engineers predict how much a material will shrink once it reaches a lower temperature. This information is vital in construction, manufacturing, and even in everyday applications such as plumbing and electrical systems.When designing structures or components, engineers must take into account the thermal expansion and contraction of materials. If the coefficient of contraction is not properly considered, it could lead to catastrophic failures in structures. For example, if two different materials are bonded together, and they have significantly different coefficients of contraction, one material may contract more than the other when cooled, leading to stress at the interface. This stress can cause cracking or complete failure of the joint.The coefficient of contraction is also relevant in the manufacturing process, especially in processes like casting and molding. During these processes, the molten material is poured into a mold, and as it cools, it begins to solidify and contract. Understanding the coefficient of contraction allows manufacturers to design molds that accommodate this shrinkage, ensuring that the final product maintains its intended dimensions and tolerances.Moreover, the coefficient of contraction is not a constant value; it can vary based on several factors, including the type of material, the temperature range, and the presence of any impurities or additives. For example, certain alloys may exhibit different coefficients of contraction compared to their pure metal counterparts due to the interactions between different elements within the alloy.In addition to its importance in engineering and manufacturing, the coefficient of contraction also has implications in the field of geology. As rocks and minerals undergo changes in temperature and pressure over time, their physical properties, including their size and shape, can change. Understanding the coefficient of contraction in geological materials can help scientists better understand processes such as sediment compaction and the formation of geological structures.In conclusion, the coefficient of contraction (收缩系数) is a fundamental concept in materials science that plays a critical role in the behavior of materials under changing conditions. Whether in engineering, manufacturing, or geology, a thorough understanding of this concept allows professionals to make informed decisions that enhance the performance and longevity of materials and structures. As technology continues to advance, the study of the coefficient of contraction will remain integral to developing new materials and improving existing ones, ensuring safety and efficiency across various industries.

在材料科学和工程领域，理解材料的性质对各种应用至关重要。一个常常提到的重要概念是收缩系数。收缩系数（coefficient of contraction）指的是量化材料在冷却或其他形式的压力下收缩程度的比率。这个属性在处理金属、聚合物和陶瓷时尤为重要，因为这些材料在不同温度和条件下的表现可能会有所不同。例如，当金属加热时，它会膨胀；相反，当它冷却时，它会收缩。收缩系数帮助工程师预测材料在达到较低温度后会收缩多少。这些信息在建筑、制造，甚至日常应用如管道和电气系统中都是至关重要的。在设计结构或组件时，工程师必须考虑材料的热膨胀和收缩。如果没有正确考虑收缩系数，可能会导致结构的灾难性失败。例如，如果两种不同的材料被粘合在一起，而它们的收缩系数差异显著，那么当冷却时，一种材料的收缩会超过另一种，从而在界面处造成应力。这种应力可能导致裂缝或接头的完全失效。收缩系数在制造过程中也很相关，尤其是在铸造和成型等工艺中。在这些过程中，熔融材料被倒入模具中，随着冷却，它开始固化并收缩。理解收缩系数使制造商能够设计出能够适应这种收缩的模具，从而确保最终产品保持其预期的尺寸和公差。此外，收缩系数不是一个常数值；它可能因多种因素而异，包括材料类型、温度范围以及是否存在任何杂质或添加剂。例如，某些合金可能表现出与其纯金属对应物不同的收缩系数，这是由于合金中不同元素之间的相互作用所致。除了在工程和制造中的重要性外，收缩系数在地质学领域也有影响。随着岩石和矿物在时间的推移中经历温度和压力的变化，它们的物理性质，包括大小和形状，可能会发生变化。理解地质材料中的收缩系数可以帮助科学家更好地理解沉积物压实和地质结构形成等过程。总之，收缩系数（coefficient of contraction）是材料科学中的一个基本概念，在材料在变化条件下的行为中发挥着关键作用。无论是在工程、制造还是地质学中，充分理解这一概念使专业人士能够做出明智的决策，从而提高材料和结构的性能和耐久性。随着科技的不断进步，研究收缩系数将继续成为开发新材料和改善现有材料的重要组成部分，确保各行业的安全和效率。