质子辐照和冷加工的 304L 不锈钢在 300°C 含氧水中氧化的原位拉曼光谱研究

IF 5.3 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Scripta Materialia Pub Date : 2024-11-11 DOI:10.1016/j.scriptamat.2024.116447

V.S. Ramsundar, A. Shaik, K. Daub, M.R. Daymond, S.Y. Persaud

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引用次数: 0

摘要

我们利用由高温高压腐蚀环路、原位拉曼光谱和质子辐照组成的设备，研究了在 300 °C 的水中，原样接收、冷加工和质子辐照 304 L 不锈钢（SS）在 48 小时内的氧化物发展情况。研究获得了化学和半定量动力学信息。原样和 0.1 dpa 的不锈钢在所有时间段内都显示出相似的氧化动力学和化学性质，这表明质子造成的破坏不足以使氧化物发生可检测的变化。然而，在 3.0 dpa 和冷加工 SS 中观察到尖晶石氧化物化学性质发生了变化，氧化动力学随时间的推移而增加。

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An in-situ Raman spectroscopy investigation of the oxidation of proton irradiated and cold-worked 304L stainless steel in oxygenated water at 300°C

A facility consisting of a high temperature and pressure corrosion loop coupled with in-situ Raman spectroscopy and proton irradiation has been used to investigate the oxide development on as-received, cold-worked and proton-irradiated 304 L stainless steel (SS) in water at 300 °C over a 48-hour period. Chemical and semi-quantitative kinetic information were obtained. The as-received and 0.1 dpa SS displayed similar oxidation kinetics and chemistry across all timespans, indicating that the damage imparted by protons was not sufficient in this case to manifest a detectable change in the oxide. However, modifications in the spinel oxide chemistry and increased oxidation kinetics with time were observed for the 3.0 dpa and cold-worked SS.

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来源期刊

Scripta Materialia 工程技术-材料科学：综合

CiteScore

11.40

自引率

5.00%

发文量

581

审稿时长

34 days

期刊介绍： Scripta Materialia is a LETTERS journal of Acta Materialia, providing a forum for the rapid publication of short communications on the relationship between the structure and the properties of inorganic materials. The emphasis is on originality rather than incremental research. Short reports on the development of materials with novel or substantially improved properties are also welcomed. Emphasis is on either the functional or mechanical behavior of metals, ceramics and semiconductors at all length scales.