含金属铝、铝酸钙镁骨料和碳酸钙的氧化镁-C 耐火材料的氧化行为 P

IF 1.9 3区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

steel research international Pub Date : 2024-08-04 DOI:10.1002/srin.202400260

Anton Yehorov, Xingwen Wei, Sofia Mazepa, Anastasiia Sherstneva, Olena Volkova

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引用次数: 0

摘要

目前的研究深入探讨了使用钙镁铝酸盐（CMA）水泥、金属铝和 Carbores P 增强的氧化镁-碳键（MgO-C）耐火材料在 800 至 1600 ℃ 宽温度范围内的抗氧化性。结果表明，在 1200 °C 的温度临界值之前，使用 CMA 进行改性不会影响材料固有的抗氧化性。然而，超过这一温度后，抗氧化性就会下降。CMA 中晶粒大小的变化对氧化镁-C 耐火材料抗氧化性的影响非常明显，较细的晶粒表现出更优越的性能。含有 Carbores P 的氧化镁-C 样品在 1000 ℃ 以下具有极佳的抗氧化性，而在 1200 ℃ 以上，其抗氧化性则严重下降。添加了金属铝的样品在整个评估温度范围内都表现出显著的抗氧化性，表现为轻微氧化。

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Oxidation Behavior of MgO‐C Refractories Containing Metallic Aluminum, Calcium Magnesium Aluminate Aggregates, and Carbores P

The current investigation delves into the oxidation resistance of magnesia‐carbon‐bonded (MgO‐C) refractory enhanced with calcium magnesium aluminate (CMA) cement, metallic aluminum, and Carbores P across a broad temperature spectrum from 800 to 1600 °C. The results demonstrate that the modification with CMA up to a temperature threshold of 1200 °C does not compromise the material's inherent oxidation resistance. However, above this temperature, a decrement in oxidation resistance is observed. The impact of grain size variation in CMA on the oxidation resistance of MgO‐C refractories is notable, and the finer grains show a superior performance. MgO‐C sample with Carbores P has excellent oxidation resistance up to 1000 °C, while above 1200 °C, its oxidation resistance strongly deteriorates. The metallic aluminum addition exhibits a remarkable oxidation resistance throughout the evaluated temperature range, indicated by a slight oxidation.

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来源期刊

steel research international 工程技术-冶金工程

CiteScore

3.30

自引率

18.20%

发文量

319

审稿时长

1.9 months

期刊介绍： steel research international is a journal providing a forum for the publication of high-quality manuscripts in areas ranging from process metallurgy and metal forming to materials engineering as well as process control and testing. The emphasis is on steel and on materials involved in steelmaking and the processing of steel, such as refractories and slags. steel research international welcomes manuscripts describing basic scientific research as well as industrial research. The journal received a further increased, record-high Impact Factor of 1.522 (2018 Journal Impact Factor, Journal Citation Reports (Clarivate Analytics, 2019)). The journal was formerly well known as "Archiv für das Eisenhüttenwesen" and "steel research"; with effect from January 1, 2006, the former "Scandinavian Journal of Metallurgy" merged with Steel Research International. Hot Topics: -Steels for Automotive Applications -High-strength Steels -Sustainable steelmaking -Interstitially Alloyed Steels -Electromagnetic Processing of Metals -High Speed Forming