polycrystalline ingot

简明释义

多晶锭

英英释义

例句

1.The cost of producing a polycrystalline ingot 多晶锭 has decreased significantly over the years.

生产多晶锭 polycrystalline ingot的成本多年来显著下降。

2.To improve efficiency, we need to use a polycrystalline ingot 多晶锭 with fewer defects.

为了提高效率，我们需要使用缺陷更少的多晶锭 polycrystalline ingot。

3.The manufacturer produced a high-quality polycrystalline ingot 多晶锭 for solar panels.

制造商生产了一种高质量的多晶锭 polycrystalline ingot用于太阳能电池板。

4.The research focused on the thermal properties of polycrystalline ingots 多晶锭 in semiconductor applications.

研究集中在多晶锭 polycrystalline ingots在半导体应用中的热特性。

5.Our lab specializes in the characterization of polycrystalline ingots 多晶锭 for photovoltaic cells.

我们的实验室专注于多晶锭 polycrystalline ingots的光伏电池特性分析。

作文

In the world of materials science and engineering, the term polycrystalline ingot refers to a solid piece of material that is composed of multiple crystalline grains. These grains are formed during the solidification process, where the molten material cools and crystallizes into various shapes and sizes. The structure of a polycrystalline ingot is essential for determining its mechanical properties, thermal conductivity, and overall performance in various applications.The production of polycrystalline ingots is a critical step in the manufacturing of metals, semiconductors, and other advanced materials. For example, silicon wafers, which are widely used in the semiconductor industry, are produced from polycrystalline ingots. The quality of these ingots directly impacts the efficiency and effectiveness of the final products. Therefore, understanding the formation and characteristics of polycrystalline ingots is vital for engineers and scientists working in this field.One of the key advantages of polycrystalline ingots is their ability to exhibit desirable mechanical properties. The presence of multiple grains allows for better distribution of stress and strain, making these materials more resilient under different loading conditions. This is particularly important in applications where materials are subjected to high temperatures or mechanical forces, such as in aerospace or automotive industries.Moreover, the grain boundaries in a polycrystalline ingot play a significant role in influencing its electrical and thermal conductivity. The boundaries can act as barriers to electron flow, which can be beneficial in certain applications, such as thermoelectric devices. By manipulating the size and orientation of the grains within the polycrystalline ingot, researchers can tailor the material properties to meet specific requirements.The process of creating polycrystalline ingots involves several steps, including melting, casting, and annealing. During the melting phase, raw materials are heated to their melting points, allowing them to become liquid. Once the material is in a molten state, it is poured into molds to form ingots. As the material cools, it begins to crystallize, forming the polycrystalline structure.After casting, the ingots often undergo an annealing process, where they are heated to a specific temperature and then slowly cooled. This treatment helps to relieve internal stresses and improve the overall quality of the polycrystalline ingot. The final product is then ready for further processing, such as slicing into wafers or machining into desired shapes.In conclusion, the concept of polycrystalline ingots is fundamental in the fields of materials science and engineering. Their unique structural properties enable a wide range of applications across various industries. By understanding the intricacies of polycrystalline ingots, professionals can innovate and improve the performance of materials, leading to advancements in technology and manufacturing processes. As we continue to explore new materials and methods, the importance of polycrystalline ingots will remain a key focus in the quest for enhanced material performance and sustainability in modern engineering practices.

在材料科学和工程领域，术语多晶锭指的是由多个晶体颗粒组成的固体材料。这些颗粒是在固化过程中形成的，当熔融材料冷却并结晶成各种形状和尺寸时。多晶锭的结构对于确定其机械性能、热导率和在各种应用中的整体性能至关重要。生产多晶锭是金属、半导体和其他先进材料制造中的关键步骤。例如，硅片广泛用于半导体行业，是从多晶锭中生产的。这些锭的质量直接影响最终产品的效率和效果。因此，理解多晶锭的形成和特性对在这一领域工作的工程师和科学家至关重要。多晶锭的一个主要优点是它们能够表现出理想的机械性能。多个晶粒的存在可以更好地分配应力和应变，使这些材料在不同的载荷条件下更加坚韧。这在航空航天或汽车工业等应用中尤为重要，因为这些材料常常面临高温或机械力的挑战。此外，多晶锭中的晶界在影响其电导率和热导率方面也发挥着重要作用。这些边界可以作为电子流动的障碍，这在某些应用中是有益的，例如热电设备。通过操控多晶锭内晶粒的大小和方向，研究人员可以定制材料属性以满足特定要求。创建多晶锭的过程涉及多个步骤，包括熔化、铸造和退火。在熔化阶段，原材料被加热到其熔点，使其变为液态。一旦材料处于熔融状态，就会被倒入模具中形成锭。当材料冷却时，它开始结晶，形成多晶结构。铸造后，锭通常会经历退火过程，在此过程中，它们被加热到特定温度，然后缓慢冷却。这种处理有助于消除内部应力，并改善多晶锭的整体质量。最终产品准备进一步加工，例如切割成硅片或加工成所需形状。总之，多晶锭的概念在材料科学和工程领域中是基础性的。它们独特的结构性质使其在各个行业中具有广泛的应用。通过理解多晶锭的复杂性，专业人员可以创新和改善材料的性能，从而推动技术和制造工艺的进步。随着我们继续探索新材料和方法，多晶锭的重要性将在现代工程实践中追求增强材料性能和可持续性方面保持关键关注。