volumetric shrinkage

简明释义

体积收缩

英英释义

例句

1.During the drying process of clay, we observed significant volumetric shrinkage 体积收缩, which affected the final shape of the pottery.

在粘土的干燥过程中，我们观察到显著的体积收缩 volumetric shrinkage，这影响了陶器的最终形状。

2.Understanding volumetric shrinkage 体积收缩 is crucial for engineers designing composite materials.

理解体积收缩 volumetric shrinkage对设计复合材料的工程师至关重要。

3.In the context of food processing, volumetric shrinkage 体积收缩 occurs during dehydration.

在食品加工中，脱水过程中会发生体积收缩 volumetric shrinkage。

4.In concrete production, volumetric shrinkage 体积收缩 can lead to cracks if not properly managed.

在混凝土生产中，如果管理不当，体积收缩 volumetric shrinkage可能会导致裂缝。

5.The manufacturer had to adjust the formula to reduce volumetric shrinkage 体积收缩 in their plastic products.

制造商不得不调整配方，以减少其塑料产品中的体积收缩 volumetric shrinkage。

作文

In the field of materials science and engineering, understanding the concept of volumetric shrinkage is crucial for predicting the behavior of various materials during processing and application. Volumetric shrinkage refers to the reduction in volume that occurs when a material transitions from one state to another, particularly during solidification or drying processes. This phenomenon is especially significant in industries such as ceramics, plastics, and concrete, where the dimensional stability of the final product is paramount.One of the primary causes of volumetric shrinkage is the change in temperature. For instance, when a liquid material cools down, it often contracts, leading to a decrease in volume. This is particularly evident in metals and polymers, where cooling can result in significant shrinkage. In the case of concrete, the curing process involves hydration, which initially causes expansion but later leads to volumetric shrinkage as moisture evaporates and the material hardens. Understanding this behavior allows engineers to design structures that can accommodate these changes without compromising integrity.Another factor contributing to volumetric shrinkage is the loss of moisture. Materials like wood and clay undergo substantial shrinkage as they dry out. For example, when clay is shaped into pottery and then fired in a kiln, it loses water content, resulting in volumetric shrinkage. This shrinkage must be accounted for during the design phase to ensure that the final product maintains its intended dimensions. Failure to consider volumetric shrinkage can lead to warping, cracking, or even complete structural failure.Moreover, the extent of volumetric shrinkage can vary significantly depending on the composition of the material. Different types of polymers exhibit different shrinkage rates, influenced by their molecular structure and the presence of additives. Similarly, in the case of concrete, the ratio of water to cement plays a critical role in determining the degree of volumetric shrinkage. Engineers often conduct tests to measure shrinkage rates and adjust their formulations accordingly to minimize adverse effects.It is also essential to recognize the implications of volumetric shrinkage in manufacturing processes. For instance, in injection molding, the design of molds must account for the expected shrinkage of the material as it cools. If not properly addressed, the final product may not fit together correctly or could exhibit defects. Therefore, manufacturers invest considerable effort in understanding and predicting volumetric shrinkage to enhance product quality and performance.In conclusion, volumetric shrinkage is a critical factor that influences the behavior of materials across various applications. From construction to manufacturing, recognizing and managing this phenomenon is essential for achieving desired outcomes. By studying the causes and effects of volumetric shrinkage, engineers and scientists can develop better materials and processes that ensure the durability and reliability of products. As technology advances, ongoing research into volumetric shrinkage will continue to play a vital role in innovation and quality assurance in material design and engineering.

在材料科学和工程领域，理解体积收缩的概念对于预测各种材料在加工和应用过程中的行为至关重要。体积收缩是指材料在从一种状态转变为另一种状态时所发生的体积减少，特别是在固化或干燥过程中。这种现象在陶瓷、塑料和混凝土等行业尤为重要，因为最终产品的尺寸稳定性至关重要。导致体积收缩的主要原因之一是温度变化。例如，当液态材料冷却时，它通常会收缩，从而导致体积减小。这在金属和聚合物中尤其明显，冷却可能导致显著的收缩。在混凝土的情况下，固化过程涉及水合，最初会导致膨胀，但随着水分蒸发和材料硬化，最终会导致体积收缩。理解这种行为使工程师能够设计出能够适应这些变化而不影响结构完整性的结构。另一个导致体积收缩的因素是水分的损失。木材和粘土等材料在干燥时会经历显著的收缩。例如，当粘土被塑造成陶器并在窑中烧制时，它会失去水分，从而导致体积收缩。在设计阶段必须考虑这种收缩，以确保最终产品保持其预期的尺寸。如果未能考虑体积收缩，可能会导致翘曲、裂缝甚至完全的结构失效。此外，体积收缩的程度因材料成分的不同而显著变化。不同类型的聚合物表现出不同的收缩率，这受到其分子结构和添加剂存在的影响。同样，在混凝土的情况下，水与水泥的比例在决定体积收缩的程度方面起着关键作用。工程师通常会进行测试以测量收缩率，并相应地调整配方，以尽量减少不良影响。还必须认识到体积收缩在制造过程中的影响。例如，在注塑成型中，模具的设计必须考虑材料在冷却时的预期收缩。如果未能妥善处理，最终产品可能无法正确结合或出现缺陷。因此，制造商投入大量精力来理解和预测体积收缩，以提高产品质量和性能。总之，体积收缩是影响各种应用中材料行为的关键因素。从建筑到制造，识别和管理这一现象对于实现预期结果至关重要。通过研究体积收缩的原因和影响，工程师和科学家可以开发出更好的材料和工艺，确保产品的耐用性和可靠性。随着技术的进步，对体积收缩的持续研究将继续在材料设计和工程的创新与质量保证中发挥重要作用。