zircaloy

简明释义

英[ˈzɜːkəlɒɪ]美[ˌzɜːrkəˈlɔi]

n. 锆合金

英英释义

单词用法

同义词

反义词

例句

1.The Zircaloy casing is the second barrier to release that separates the radioactive fuel from the rest of the reactor.

锆锡合金形成第二道防护，把放射燃料跟反应堆其他的组成分隔开。

2.In this paper, research results and disadvantages of main bonding process of zircaloy and stainless steel are reviewed.

分析了核反应堆用锆合金与不锈钢主要连接技术的研究结果及存在的问题。

3.Zircaloy growth could be induced due to irradiation.

锆锡合金由于中子辐照而引起生长。

4.The bonding of zircaloy and stainless steel is an important technology in project of nuclear reactor and it has not been solved completely as yet.

锆合金与不锈钢的连接在核反应堆工程中是一项重要技术，目前还没有找到一种令人十分满意的方法。

5.At present, the zircaloy-4 cladding tubes fabricated by low temperature process can meet the technical requirement, and can ensure the safety of nuclear reactor during its life cycle.

目前采用低温加工工艺生产的锆- 4合金包壳管已达到技术条件要求，保证了反应堆在燃耗寿期内的安全运行。

6."Fuel failure" is a better term to describe the failure of the fuel rod barrier (Zircaloy).

“燃料失效”是个更贴切的词汇来描述燃料棒这层屏障的失效(锆锡合金)。

7.The reactor core components are often made from zircaloy, which provides excellent corrosion resistance.

反应堆核心组件通常采用锆合金制造，具有优良的耐腐蚀性。

8.In nuclear power plants, zircaloy is preferred for fuel cladding due to its low neutron absorption.

在核电厂中，由于其低中子吸收率，锆合金被优先用于燃料包壳。

9.The mechanical properties of zircaloy make it suitable for high-temperature applications in reactors.

锆合金的机械性能使其适用于反应堆中的高温应用。

10.Research is ongoing to improve the performance of zircaloy in extreme conditions.

研究正在进行，以提高锆合金在极端条件下的性能。

11.The use of zircaloy in spent fuel pools helps to maintain safety and integrity.

锆合金在乏燃料池中的使用有助于保持安全性和完整性。

作文

In the world of nuclear engineering, materials play a crucial role in the safety and efficiency of reactors. One such material that has gained significant attention is zircaloy, an alloy primarily made of zirconium with small amounts of tin, iron, and chromium. This unique composition gives zircaloy exceptional properties that make it highly suitable for use in nuclear reactors. Its low neutron absorption cross-section allows for efficient fission reactions, which is vital for maintaining the reactor's performance. Furthermore, zircaloy exhibits excellent corrosion resistance, particularly in high-temperature water environments, making it ideal for cladding fuel rods in pressurized water reactors (PWRs). This corrosion resistance is attributed to the formation of a protective oxide layer on its surface, which prevents further degradation and ensures the longevity of the material. The importance of zircaloy extends beyond its physical properties. The choice of materials in nuclear reactors directly impacts the overall safety and reliability of the system. For instance, during a loss-of-coolant accident (LOCA), the ability of zircaloy to withstand high temperatures without failing is critical. Research has shown that zircaloy can maintain structural integrity even under extreme conditions, thereby contributing to the containment of radioactive materials and preventing catastrophic failures. Moreover, the manufacturing process of zircaloy is also noteworthy. The alloy is produced through a series of complex metallurgical processes, including melting, casting, and rolling. These processes must be meticulously controlled to ensure the desired properties of zircaloy are achieved. Any variations in the composition or processing conditions can lead to significant changes in performance, which is why quality control is paramount in the production of zircaloy components. As the nuclear industry evolves, so does the research surrounding zircaloy. Scientists and engineers are continuously exploring ways to enhance its properties. For example, studies are being conducted on the addition of other elements to improve its mechanical strength and reduce hydrogen absorption, a phenomenon that can lead to embrittlement. Innovations in zircaloy technology could pave the way for more efficient and safer nuclear reactors in the future. In conclusion, zircaloy is not just a simple alloy; it is a cornerstone of modern nuclear engineering. Its unique properties, coupled with its critical role in reactor safety, make it an essential material in the field. As we look towards the future of energy production, understanding and improving zircaloy will be vital in ensuring that nuclear power remains a viable and safe option for meeting the world's growing energy demands. The ongoing research and development in this area promise to unlock new potential for zircaloy, reaffirming its importance in the nuclear industry for years to come.

锆合金在核工程领域中，材料在反应堆的安全性和效率中发挥着至关重要的作用。其中一种备受关注的材料是锆合金，这是一种主要由锆及少量锡、铁和铬组成的合金。这种独特的成分赋予了锆合金卓越的性能，使其非常适合用于核反应堆。它的低中子吸收截面允许高效的裂变反应，这对维持反应堆的性能至关重要。此外，锆合金在高温水环境中表现出优异的耐腐蚀性，使其成为加压水反应堆（PWR）中包覆燃料棒的理想选择。这种耐腐蚀性归因于其表面形成的保护氧化层，防止进一步降解并确保材料的耐用性。 锆合金的重要性不仅限于其物理特性。核反应堆中材料的选择直接影响系统的整体安全性和可靠性。例如，在失去冷却剂事故（LOCA）中，锆合金在高温下保持结构完整性的能力至关重要。研究表明，锆合金即使在极端条件下也能维持结构完整性，从而有助于放射性材料的封闭，防止灾难性故障。 此外，锆合金的制造过程同样值得注意。该合金通过一系列复杂的冶金工艺生产，包括熔炼、铸造和轧制。这些过程必须严格控制，以确保实现所需的锆合金性能。成分或加工条件的任何变化都可能导致性能的显著变化，这就是为什么在锆合金组件的生产中质量控制至关重要。 随着核工业的发展，围绕锆合金的研究也在不断深入。科学家和工程师们不断探索增强其性能的方法。例如，正在进行的研究涉及添加其他元素以提高其机械强度并减少氢吸收，这种现象可能导致脆化。锆合金技术的创新可能为未来更高效和更安全的核反应堆铺平道路。 总之，锆合金不仅仅是一种简单的合金；它是现代核工程的基石。其独特的特性，加上其在反应堆安全中的关键作用，使其成为该领域的基本材料。展望未来，理解和改善锆合金将对确保核能继续作为满足全球日益增长的能源需求的可行和安全的选择至关重要。在这一领域的持续研究与开发有望为锆合金解锁新的潜力，重申其在核工业中的重要性，确保在未来几年继续发挥作用。