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<p>In the present study, a dense and protective layer on pure magnesium was formed through oxidizing in superheated water vapor under a pressure slightly higher than one atmosphere. Compared to other surface treatment technologies for magnesium and its alloys, this method is extremely simple, effective, and environmentally friend. During the whole processing, only water and magnesium are involved in the formation of the layer. It is found that the layer is composed of Mg(OH)<sub>2</sub> which not only exhibits excellent corrosion resistance but also possesses outstanding tribological properties, being of self-lubricating characterized by a low friction coefficient and high wear resistance. The wear and corrosion resistance were fundamentally improved by forming the oxidized layer.</p>

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Characteristics and Tribological Properties of a Thick Self-Lubricating Mg(OH)2 Layer on Mg Substrate

  • 期刊论文

  • 发表日期：

    2025年11月28日

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  • Liang Wang

摘要

In the present study, a dense and protective layer on pure magnesium was formed through oxidizing in superheated water vapor under a pressure slightly higher than one atmosphere. Compared to other surface treatment technologies for magnesium and its alloys, this method is extremely simple, effective, and environmentally friend. During the whole processing, only water and magnesium are involved in the formation of the layer. It is found that the layer is composed of Mg(OH)2 which not only exhibits excellent corrosion resistance but also possesses outstanding tribological properties, being of self-lubricating characterized by a low friction coefficient and high wear resistance. The wear and corrosion resistance were fundamentally improved by forming the oxidized layer.