dimensional stability

简明释义

尺寸恒定性

英英释义

例句

1.The dimensional stability 尺寸稳定性 of the 3D printed parts was tested under various humidity levels.

3D打印部件的尺寸稳定性在不同湿度水平下进行了测试。

2.The new composite material offers excellent dimensional stability 尺寸稳定性 even under extreme temperature variations.

这种新型复合材料在极端温度变化下提供了优异的尺寸稳定性。

3.The fabric used in outdoor gear must have high dimensional stability 尺寸稳定性 to withstand weather changes.

用于户外装备的面料必须具有高尺寸稳定性以承受天气变化。

4.In the manufacturing of precision instruments, dimensional stability 尺寸稳定性 is crucial to ensure accurate measurements.

在精密仪器的制造中，尺寸稳定性是确保准确测量的关键。

5.When designing plastic components, engineers prioritize dimensional stability 尺寸稳定性 to avoid warping.

在设计塑料组件时，工程师优先考虑尺寸稳定性以避免变形。

作文

In the world of materials science and engineering, the term dimensional stability refers to the ability of a material to maintain its original dimensions when subjected to various environmental conditions. This characteristic is crucial in many applications, as it ensures that components fit together correctly and function as intended over time. For instance, in the manufacturing of precision instruments, even minor changes in size can lead to significant errors, making dimensional stability a key factor in design considerations.Materials such as metals, plastics, and composites exhibit varying degrees of dimensional stability. Metals generally possess good dimensional stability due to their crystalline structure, which resists changes in shape and size. However, they can still expand or contract with temperature fluctuations. In contrast, polymers may experience greater dimensional changes due to their molecular structure, which can be affected by heat, moisture, and stress. Therefore, selecting the right material for a specific application often involves evaluating its dimensional stability under expected operating conditions.One common example of dimensional stability in everyday life is found in the construction industry. Building materials such as concrete and wood must maintain their dimensions to ensure structural integrity. For instance, if wooden beams expand or contract excessively due to humidity changes, this can lead to warping, cracking, or even structural failure. Engineers must account for these potential changes by choosing appropriate materials and incorporating design features that allow for movement without compromising safety.In addition to construction, dimensional stability plays a vital role in the textile industry. Fabrics are often subjected to washing, drying, and wearing, all of which can affect their dimensions. If a fabric shrinks too much after washing, it may no longer fit the intended garment specifications. Manufacturers frequently treat fabrics with special coatings or choose fibers known for their excellent dimensional stability to minimize these issues.The importance of dimensional stability extends to the aerospace and automotive industries as well. Components in aircraft and vehicles must withstand extreme temperature variations and mechanical stresses while maintaining precise dimensions. Any deviation could result in malfunction or safety hazards. Thus, engineers meticulously analyze the dimensional stability of materials used in these applications to ensure reliability and performance.To achieve optimal dimensional stability, manufacturers often conduct extensive testing and simulations. Techniques such as thermal cycling tests, moisture absorption tests, and mechanical stress tests help determine how materials will behave under different conditions. Understanding the factors that influence dimensional stability allows designers to make informed choices about material selection and processing methods.In conclusion, dimensional stability is a fundamental property that impacts a wide range of industries and applications. By ensuring that materials maintain their dimensions under various conditions, engineers and manufacturers can create reliable products that meet safety and performance standards. As technology continues to advance, the quest for materials with superior dimensional stability will remain a priority, driving innovation and enhancing the quality of our everyday lives.

在材料科学和工程领域，术语dimensional stability指的是材料在受到各种环境条件影响时保持其原始尺寸的能力。这一特性在许多应用中至关重要，因为它确保了组件能够正确地结合在一起并在时间的推移中按预期功能。例如，在精密仪器的制造中，即使是微小的尺寸变化也可能导致显著的误差，使得dimensional stability成为设计考虑中的关键因素。金属、塑料和复合材料等材料表现出不同程度的dimensional stability。由于金属的晶体结构能够抵抗形状和尺寸的变化，因此通常具有良好的尺寸稳定性。然而，它们仍然可能因温度波动而膨胀或收缩。相比之下，聚合物可能会由于其分子结构的影响而经历更大的尺寸变化，这可能受到热、湿气和应力的影响。因此，为特定应用选择合适的材料通常涉及评估其在预期工作条件下的dimensional stability。dimensional stability在日常生活中的一个常见例子可以在建筑行业找到。建筑材料如混凝土和木材必须保持其尺寸以确保结构完整性。例如，如果木梁由于湿度变化而过度膨胀或收缩，这可能导致翘曲、开裂甚至结构失效。工程师必须通过选择适当的材料并加入设计特征来允许移动而不妨碍安全，来考虑这些潜在变化。除了建筑，dimensional stability在纺织行业中也发挥着重要作用。面料通常会经历洗涤、干燥和穿着，这些都会影响它们的尺寸。如果面料在洗涤后收缩过多，可能不再符合预期的服装规格。制造商经常用特殊涂层处理面料或选择以优良的dimensional stability著称的纤维，以最小化这些问题。dimensional stability的重要性还延伸到航空航天和汽车工业。飞机和车辆中的组件必须在极端温度变化和机械应力下保持精确的尺寸。任何偏差都可能导致故障或安全隐患。因此，工程师们仔细分析这些应用中使用材料的dimensional stability，以确保可靠性和性能。为了实现最佳的dimensional stability，制造商通常进行广泛的测试和模拟。热循环测试、湿气吸收测试和机械应力测试等技术有助于确定材料在不同条件下的表现。理解影响dimensional stability的因素使设计师能够就材料选择和加工方法做出明智的选择。总之，dimensional stability是一种基本属性，影响着广泛的行业和应用。通过确保材料在各种条件下保持其尺寸，工程师和制造商能够创建符合安全和性能标准的可靠产品。随着技术的不断进步，对具有优越dimensional stability的材料的追求将继续成为优先事项，推动创新并提升我们日常生活的质量。