AlN+MnS inclusions in oriented electrical steels

来源期刊:中国有色金属学报(英文版)2005年第2期

论文作者:王均安 周邦新 李强 褚于良 孙焕德

文章页码:460 - 463

Key words:oriented electrical steels; field emission-scanning electron microscopy(FE-SEM); inclusions

Abstract: Field emission-scanning electron microscopy(FE-SEM) technique was employed to observe the shape, size and distribution of AlN+MnS inclusions in oriented electrical steels. Specimens used for FE-SEM observation were deeply electrolytic etched at room temperature in non-aqueous acetylacetone(AA) solution. The results indicate that the FE-SEM technique has obvious advantage in specimen preparation. Therefore, it can be easily used to identify the AlN+MnS inclusions and even copper nano-particles in oriented electrical steels with the same analysis accuracy as that by TEM. This technique is a good substitute for TEM and the associated specimen preparation in the observation of inclusions in electrical steels. It will be a powerful technique for routine analysis in the production of grain oriented electrical steels.

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