具有γ相结构的耐热镍合金抗结垢性研究

IF 0.8 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING Metallurgist Pub Date : 2024-10-15 DOI:10.1007/s11015-024-01807-1

V. G. Molyarov, M. Yu. Belomyttsev

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引用次数: 0

摘要

研究了具有 γ 固溶体结构的 N70VTYu-ID 合金的高温氧化特征。结果表明，随着氧化时间的延长，描述这一过程的特征趋于稳定。计算得出的氧化活化能为 ~220,000 ± 5000 J/mol，与镍的自扩散活化能相当。研究了初步短期高温氧化对合金抗垢性的影响。结果表明，这种组合热处理可短暂提高 N70VTYu-ID 合金的抗鳞性。

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Study of heat-resistant nickel alloy with γ-phase structure scaling resistance

Features of high-temperature oxidation of N70VTYu-ID alloy with γ‑solid solution structure are studied. It is shown that characteristics describing this process stabilize with increasing oxidation time. The calculated oxidation activation energy is ~220,000 ± 5000 J/mol, which is comparable to the nickel self-diffusion activation energy. Influence of preliminary short-term high-temperature oxidation on alloy scale resistance is investigated. It is shown that this combined heat treatment can briefly increase N70VTYu-ID alloy scale resistance.

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来源期刊

Metallurgist 工程技术-冶金工程

CiteScore

1.50

自引率

44.40%

发文量

151

审稿时长

4-8 weeks

期刊介绍： Metallurgist is the leading Russian journal in metallurgy. Publication started in 1956. Basic topics covered include: State of the art and development of enterprises in ferrous and nonferrous metallurgy and mining; Metallurgy of ferrous, nonferrous, rare, and precious metals; Metallurgical equipment; Automation and control; Protection of labor; Protection of the environment; Resources and energy saving; Quality and certification; History of metallurgy; Inventions (patents).