Research Progress on Layered Double Hydroxide Films in Corrosion Protection for Magnesium Alloy

The common types of layered double hydroxide (LDH) films and their preparation methods are introduced. The application status and possible problems of LDH films in corrosion protection for magnesium alloys are summarized. The research progress on the modification of LDH films is introduced in brief. Finally, the research directs of LDH films in the future are proposed.