Progress of laser surface treatment on magnesium alloy

Author:

Zhang Shiliang,Jiang Jing,Zou Xianrui,Liu Ning,Wang Hongshui,Yang Lei,Zhou Huan,Liang Chunyong

Abstract

Magnesium (Mg) metals have been widely used in various fields as one of the most promising lightweight structural materials. However, the low corrosion resistance and poor mechanical properties restrict its applications. Surface treatments are common approach to enhance the mechanical strength and corrosion resistance of Mg metals. Among them, laser surface treatment generates novel tissues and structures in situ on the sample surface, thereby improving properties of mechanical strength and corrosion resistance. We briefly describe the changes in surface organization that arise after laser treatment of Mg surfaces, as well as the creation of structures such as streaks, particles, holes, craters, etc., and provide an overview of the reasons for the alterations. The effect of laser processing on wettability, hardness, friction wear, degradation, biocompatibility and mechanical properties were reviewed. At last, the limitations and development trend of laser treatment on Mg metals research were further pointed out.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Natural Science Foundation of Hebei Province

Changzhou Science and Technology Bureau

Publisher

Frontiers Media SA

Subject

General Chemistry

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