fused silica crucible

简明释义

熔融石英坩埚

英英释义

例句

1.The researchers used a fused silica crucible to melt the high-purity materials for their experiment.

研究人员使用了一个熔融石英坩埚来熔化高纯度材料以进行实验。

2.During the glass manufacturing process, a fused silica crucible is essential for holding molten glass.

在玻璃制造过程中，熔融石英坩埚对于盛放熔融玻璃至关重要。

3.The temperature resistance of a fused silica crucible makes it ideal for high-temperature applications.

由于其耐高温特性，熔融石英坩埚非常适合高温应用。

4.The durability of a fused silica crucible allows it to be reused multiple times in various experiments.

由于耐用性，熔融石英坩埚可在多种实验中重复使用。

5.In the laboratory, a fused silica crucible is often used for chemical analysis and reactions.

在实验室中，熔融石英坩埚常用于化学分析和反应。

作文

In the world of materials science and engineering, the term fused silica crucible refers to a high-purity glass container made from silica that has been melted and then cooled rapidly. This process results in a non-crystalline form of silica, which has unique properties that make it particularly useful in various industrial applications. The fused silica crucible is renowned for its exceptional thermal stability, low thermal expansion, and high resistance to chemical corrosion. These characteristics allow it to withstand extreme temperatures and harsh environments, making it an ideal choice for processes such as metal casting, glass melting, and semiconductor manufacturing.One of the primary advantages of using a fused silica crucible is its ability to maintain structural integrity at high temperatures. Unlike traditional ceramic crucibles, which can crack or deform when subjected to rapid temperature changes, the fused silica crucible remains stable. This property is crucial in applications where precise temperature control is essential, such as in the production of high-quality glass or in the processing of advanced materials.Moreover, the low thermal expansion coefficient of fused silica crucible means that it does not expand or contract significantly with temperature fluctuations. This minimizes the risk of thermal shock, ensuring that the crucible can be used repeatedly without compromising its performance. As a result, industries that rely on the melting and casting of materials often prefer fused silica crucibles over other types due to their durability and reliability.In the semiconductor industry, the use of fused silica crucibles is critical for the growth of single crystals and the production of high-purity silicon. The purity of the material is paramount in this field, as even the slightest contamination can lead to defects in the final product. The non-reactive nature of fused silica crucibles ensures that no unwanted substances leach into the molten material, thereby maintaining the integrity of the silicon being produced.Additionally, the transparency of fused silica crucibles to ultraviolet (UV) light makes them suitable for certain optical applications. They can be used in laboratories for experiments involving UV radiation, where other materials might absorb or scatter the light, leading to inaccurate results. The ability to transmit UV light without interference is a significant advantage in scientific research and development.However, despite their many benefits, fused silica crucibles are not without limitations. They can be more expensive than traditional crucibles, which may deter some manufacturers from using them. Furthermore, while they are resistant to many chemicals, they can still be attacked by hydrofluoric acid and other strong alkalis. Therefore, careful consideration must be given to the specific application and environment in which the fused silica crucible will be used.In conclusion, the fused silica crucible is a remarkable tool in modern manufacturing and scientific research. Its unique properties, including thermal stability, low thermal expansion, and chemical resistance, make it indispensable in various high-tech applications. As industries continue to evolve and demand higher quality materials, the role of fused silica crucibles will likely become even more prominent, paving the way for advancements in technology and materials science.

在材料科学和工程领域，术语熔融石英坩埚指的是由二氧化硅制成的高纯度玻璃容器，该二氧化硅经过熔融后迅速冷却。这个过程导致形成无晶体的二氧化硅，它具有独特的特性，使其在各种工业应用中特别有用。熔融石英坩埚以其卓越的热稳定性、低热膨胀和高抗化学腐蚀性而闻名。这些特性使其能够承受极端温度和恶劣环境，使其成为金属铸造、玻璃熔化和半导体制造等过程的理想选择。使用熔融石英坩埚的主要优势之一是它能够在高温下保持结构完整性。与传统陶瓷坩埚不同，后者在快速温度变化时可能会开裂或变形，而熔融石英坩埚则保持稳定。这一特性在需要精确温度控制的应用中至关重要，例如在生产高质量玻璃或加工先进材料时。此外，熔融石英坩埚的低热膨胀系数意味着它在温度波动时不会显著膨胀或收缩。这最小化了热冲击的风险，确保坩埚可以反复使用而不影响其性能。因此，依赖于材料熔化和铸造的行业通常更喜欢熔融石英坩埚，因为它们的耐用性和可靠性。在半导体行业，使用熔融石英坩埚对于单晶的生长和高纯度硅的生产至关重要。材料的纯度在这一领域至关重要，因为即使是微小的污染也会导致最终产品的缺陷。熔融石英坩埚的非反应性确保没有不必要的物质渗入熔融材料，从而保持所生产硅的完整性。此外，熔融石英坩埚对紫外线（UV）光的透明性使其适合某些光学应用。它们可以在实验室中用于涉及紫外线辐射的实验，而其他材料可能会吸收或散射光线，导致结果不准确。能够在不干扰的情况下透过紫外线是科学研究和开发中的一个重大优势。然而，尽管有许多好处，熔融石英坩埚并非没有局限性。与传统坩埚相比，它们可能更昂贵，这可能会使一些制造商不愿使用。此外，虽然它们对许多化学品具有抗性，但仍然可能受到氟化氢和其他强碱的攻击。因此，必须仔细考虑熔融石英坩埚将要使用的具体应用和环境。总之，熔融石英坩埚是现代制造和科学研究中的一个重要工具。其独特的特性，包括热稳定性、低热膨胀和化学抗性，使其在各种高科技应用中不可或缺。随着行业的不断发展和对更高质量材料的需求，熔融石英坩埚的作用可能会变得更加突出，为技术和材料科学的进步铺平道路。