aluminothermy
简明释义
英[əˌluːmɪnəˈθɜrmi]美[əˌluːmɪnəˈθɜrmi]
n. 铝冶术;铝热法
英英释义
A thermochemical process that involves the reaction of aluminum with metal oxides to produce metals, often used in metallurgy. | 一种热化学过程,涉及铝与金属氧化物反应以生产金属,常用于冶金。 |
单词用法
同义词
铝热反应 | The thermite reaction is widely used in welding and metal cutting. | 铝热反应广泛用于焊接和切割金属。 | |
铝热工艺 | The aluminothermic process is essential in producing high-purity metals. | 铝热工艺在生产高纯度金属方面至关重要。 |
反义词
冷却 | 该过程涉及冷却金属以使其固化。 | ||
冻结 | Freezing temperatures can cause materials to become brittle. | 低温可能导致材料变脆。 |
例句
1.Aluminothermy is a low-energy-consuming smelting method.
炉外铝热法是一种低能耗的金属热冶炼方法。
2.Aluminothermy is a low-energy-consuming smelting method.
炉外铝热法是一种低能耗的金属热冶炼方法。
3.Researchers are exploring new applications of aluminothermy in aerospace materials.
研究人员正在探索铝热法在航空材料中的新应用。
4.The process of aluminothermy is often used in the production of high-quality steel.
铝热法过程常用于高质量钢材的生产。
5.The aluminothermy method is particularly effective for producing ferroalloys.
铝热法方法对于生产 ferroalloy 尤为有效。
6.One advantage of aluminothermy is its ability to generate high temperatures quickly.
铝热法的一个优点是它能够快速产生高温。
7.In metallurgy, aluminothermy can help reduce metal oxides to their elemental forms.
在冶金中,铝热法可以帮助将金属氧化物还原为其元素形式。
作文
In the field of metallurgy, various methods are employed to extract metals from their ores. One such method is aluminothermy, which is a chemical reaction process that utilizes aluminum as a reducing agent to extract metals from their oxides. This technique is particularly useful for extracting metals like chromium, manganese, and titanium, which are not easily reduced by carbon. The process of aluminothermy involves the reaction of aluminum powder with metal oxides at high temperatures, resulting in the formation of pure metal and aluminum oxide. The significance of aluminothermy lies in its efficiency and effectiveness. Traditional methods of metal extraction often require extensive energy input and time, whereas aluminothermy can yield high purity metals in a shorter duration. This is especially important in industries where the demand for high-quality metals is critical. For instance, in aerospace and automotive applications, the strength-to-weight ratio of materials is paramount, and thus, the purity of metals like titanium obtained through aluminothermy is highly valued.Furthermore, aluminothermy is also advantageous from an environmental perspective. Many conventional metal extraction methods produce significant amounts of carbon dioxide and other pollutants. In contrast, the use of aluminum as a reducing agent generates less environmental impact, making aluminothermy a greener alternative. The aluminum used in this process can be recycled, further enhancing its sustainability.Despite these benefits, aluminothermy does have some limitations. The process requires careful control of temperature and reactant ratios to ensure the desired outcomes. If not managed properly, the reaction can become uncontrollable, leading to safety hazards. Additionally, the cost of aluminum can fluctuate, affecting the overall economics of the aluminothermy process. Therefore, ongoing research and development are crucial to optimize this method and address its challenges.In conclusion, aluminothermy is a remarkable metallurgical process that showcases the innovative approaches employed in modern metal extraction. Its ability to produce high-purity metals efficiently and with a lower environmental footprint makes it a valuable technique in various industrial applications. As the world moves towards more sustainable practices, the role of aluminothermy is likely to grow, contributing to the advancement of metallurgy and material science. Understanding the intricacies of aluminothermy will not only aid in the efficient extraction of metals but also encourage the development of more environmentally friendly processes in the future.
在冶金领域,各种方法被用来从矿石中提取金属。其中一种方法是铝热法,这是一种化学反应过程,利用铝作为还原剂,从金属氧化物中提取金属。这种技术特别适用于提取铬、锰和钛等金属,因为这些金属不容易被碳还原。铝热法的过程涉及铝粉与金属氧化物在高温下反应,形成纯金属和铝氧化物。铝热法的重要性在于其效率和有效性。传统的金属提取方法往往需要大量的能量输入和时间,而铝热法可以在更短的时间内获得高纯度的金属。这在对高质量金属需求至关重要的行业中尤为重要。例如,在航空航天和汽车应用中,材料的强度与重量比至关重要,因此,通过铝热法获得的钛的纯度受到高度重视。此外,铝热法在环境方面也具有优势。许多传统的金属提取方法会产生大量的二氧化碳和其他污染物。相比之下,使用铝作为还原剂产生的环境影响较小,使得铝热法成为一种更环保的替代方案。在这个过程中使用的铝可以回收,进一步增强了其可持续性。尽管有这些好处,铝热法也存在一些局限性。该过程需要仔细控制温度和反应物比例,以确保所需的结果。如果管理不当,反应可能变得不可控,导致安全隐患。此外,铝的成本可能波动,从而影响铝热法过程的整体经济性。因此,持续的研究和开发对于优化这种方法并解决其挑战至关重要。总之,铝热法是一种出色的冶金过程,展示了现代金属提取中采用的创新方法。它以较低的环境足迹高效地生产高纯度金属,使其在各种工业应用中成为一种宝贵的技术。随着世界向更可持续的实践迈进,铝热法的作用可能会日益增长,为冶金和材料科学的发展做出贡献。理解铝热法的复杂性不仅有助于高效提取金属,还将促进未来更环保的工艺的发展。