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首页> 外文期刊>Journal of Materials Engineering and Performance >Growth Behavior of Oxide -Forming on a Sputtered Oxygen-Enriched Type 304 Stainless Steel
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Growth Behavior of Oxide -Forming on a Sputtered Oxygen-Enriched Type 304 Stainless Steel

机译：溅射富氧型304不锈钢上氧化物的生长行为

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摘要

Type 304 stainless steel was deposited with and without added oxygen and then oxidized at 900 deg C in 0.1 atm oxygen. The oxidation rate of the oxygen-enriched steel was lower than that of the steel without added oxygen, and the oxide adhesion was better. Line scans on cross-sectioned scale on the oxygen-enriched steel showed that inward oxygen diffusion had occurred; however, this was not shown by any of the line scans on the steel without added oxygen. The diffusion rate of cations through chromia scale was reduced by the oxygen enrichment. A secondary ion mass microscopy study showed that sulfur segregation to the oxide scale occurred during oxidation. The extent of this segregation for the oxygen-enriched steel was much lower than that for the steel without added oxygen. The results are explained in terms of the sulfur effect theory by postulating that impurity sulfur segregated to oxide particles in the oxygen-enriched steel, resulting in a reduced sulfur level in the scale and at the oxide/metal interface.
机译：在有氧和无氧的情况下沉积304型不锈钢，然后在900摄氏度，0.1个大气压的氧气中氧化。富氧钢的氧化速率比不添加氧的钢的氧化速率低，并且氧化物粘附性更好。在富氧钢上以横截面尺度进行的线扫描表明已经发生了向内的氧扩散。但是，在不添加氧气的情况下对钢进行的任何线扫描都没有显示出这一点。富氧降低了阳离子通过氧化铬的扩散速率。二次离子质量显微镜研究表明，在氧化过程中发生了硫偏析到氧化皮的现象。富氧钢的偏析程度远低于不添加氧气的钢。根据硫效应理论，通过假定杂质硫偏析到富氧钢中的氧化物颗粒上，从而导致氧化皮中和氧化物/金属界面处的硫含量降低，来解释该结果。

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