随着低碳经济的发展,汽车轻量化的呼声愈来愈高。镁合金作为最有前景的轻量化材料之一,其表面防腐功能涂层的研究已经越来越受到人们的重视。简要介绍了物理方法和化学方法制备镁基表面防腐功能涂层的工艺技术特点,重点讨论了衡量涂层质量的现行标准以及现有的各种测量界面结合强度的方法,特别是界面应变能释放率定量分析的方法,文中结合自己的实验结果进行了分析。
With the development of low carbon economy,applications of lightweight parts in automobiles have an attracted increasing interest.The functional surface coating on magnesium alloys,which are very potential lightweight materials,has become an important research field.Owning to the excellent physical and mechanical properties of magnesium alloys,surface functional coatings based on magnesium alloys were investigated by many researchers in the world.The development status of functional coatings on magnesium alloys by physical and chemical processes was reviewed,and the measurement methods for interface adhesion were discussed.The interfacial toughness of coating on magnesium alloys was specially introduced,and discussed by using the experimental results and model.