break in grain size

简明释义

粒径中断;

英英释义

例句

1.The break in grain size can affect the mechanical properties of the material, making it crucial for engineers to analyze.

颗粒大小的变化会影响材料的机械性能，因此工程师进行分析至关重要。

2.Manufacturers must consider the break in grain size when producing materials to ensure consistency and quality.

制造商在生产材料时必须考虑颗粒大小的变化以确保一致性和质量。

3.In the analysis of the rock formation, we observed a break in grain size that suggested volcanic activity in the area.

在岩层分析中，我们观察到有一个颗粒大小的变化，这表明该地区曾发生过火山活动。

4.The break in grain size within the sample helped scientists determine the history of erosion in the region.

样本中的颗粒大小的变化帮助科学家确定该地区的侵蚀历史。

5.The geologist noted a significant break in grain size during the core sampling, indicating a change in sedimentary environment.

地质学家在核心取样中注意到有显著的颗粒大小的变化，这表明沉积环境发生了变化。

作文

In the field of materials science, understanding the properties of different materials is crucial for various applications. One important concept that often arises in this context is the break in grain size, which refers to a distinct change in the size of the grains within a material. This phenomenon can significantly affect the mechanical properties and overall performance of the material. For instance, when metals are subjected to different processing techniques such as forging or casting, the resulting microstructure can exhibit a break in grain size. This is particularly relevant in the manufacturing of components that require high strength and durability.The break in grain size can be caused by various factors including temperature, strain rate, and the presence of impurities. When a material is heated, the grains may grow larger, leading to a coarser microstructure. Conversely, rapid cooling can result in smaller grains, creating a finer microstructure. The transition between these two states represents a break in grain size, which can influence how the material behaves under stress. For example, materials with finer grains typically exhibit improved strength and toughness compared to those with larger grains.Moreover, the break in grain size can also be observed in geological formations. In sedimentary rocks, the size of the grains can vary due to different depositional environments. A sudden change in grain size can indicate a shift in the conditions under which the rock was formed, such as changes in water flow or sediment supply. Understanding these breaks can provide valuable insights into the geological history of an area and help geologists make predictions about natural resources.In practical applications, engineers must consider the break in grain size when designing materials for specific functions. For instance, in the aerospace industry, components are often required to withstand extreme conditions. Engineers might choose materials with a fine grain structure to enhance fatigue resistance, while also being aware of how a break in grain size could impact the material's performance over time. This careful consideration ensures that the final product meets safety and efficiency standards.In conclusion, the concept of break in grain size plays a vital role in both materials science and geology. Whether assessing the mechanical properties of metals or interpreting geological formations, recognizing and understanding this phenomenon is essential. By studying the break in grain size, scientists and engineers can make informed decisions that lead to better material performance and deeper insights into the Earth's processes. As research continues to evolve, the implications of grain size variations will likely remain a key focus in both fields, highlighting the importance of this seemingly simple yet complex concept.

在材料科学领域，理解不同材料的属性对于各种应用至关重要。一个经常出现的重要概念是粒度变化，它指的是材料内部颗粒大小的明显变化。这种现象可以显著影响材料的机械性能和整体表现。例如，当金属经过锻造或铸造等不同加工技术时，所产生的微观结构可能会表现出粒度变化。这在制造需要高强度和耐久性的部件时尤其相关。粒度变化可能由多种因素引起，包括温度、应变速率和杂质的存在。当材料被加热时，颗粒可能会长得更大，导致粗糙的微观结构。相反，快速冷却可能会导致颗粒较小，形成更细的微观结构。这两种状态之间的过渡代表了粒度变化，这可以影响材料在应力下的行为。例如，与较大颗粒相比，具有较细颗粒的材料通常表现出更好的强度和韧性。此外，粒度变化也可以在地质构造中观察到。在沉积岩中，颗粒的大小可能由于不同的沉积环境而变化。颗粒大小的突然变化可以表明岩石形成条件的转变，例如水流或沉积物供应的变化。理解这些变化可以为地质学家提供关于某一地区地质历史的宝贵见解，并帮助他们预测自然资源。在实际应用中，工程师在为特定功能设计材料时必须考虑粒度变化。例如，在航空航天工业中，组件通常需要承受极端条件。工程师可能会选择具有细颗粒结构的材料以增强疲劳抗力，同时也要意识到粒度变化可能对材料的长期性能产生影响。这种仔细的考虑确保最终产品满足安全和效率标准。总之，粒度变化的概念在材料科学和地质学中都发挥着重要作用。无论是评估金属的机械性能还是解释地质构造，认识和理解这一现象都是必不可少的。通过研究粒度变化，科学家和工程师可以做出明智的决定，从而提高材料性能并深入了解地球过程。随着研究的不断发展，颗粒大小变化的影响可能仍将是两个领域的重点，突显出这一看似简单但复杂的概念的重要性。