Development of a new environmentally safe coating for corrosion protection of metallic surfaces attracted great interest in material science through the past few years. Smart self-healing coatings showed promising corrosion protection of metals and alloys in different technological applications due to releasing the active agents of the coat in a controllable manner for preventing cracks propagation in the protective coat. These coatings possess passive matrix functionality and actively responds to changes in the local environment which make it prompted great interest from material scientists. Smart coatings are made of responsive materials containing unique chemical, physical, mechanical and electrical characteristics. These smart coating are response and interactive with the different environmental changes such as pressure, heat and chemical effects. The smart coatings are generally classified in the basis of preparation techniques, functional and reactive components and their uses and applications. Typical coatings include: self-healing, self-cleaning, microcapsule healing and anticorrosion coatings. In the process of protection of metallic substrates, smart coatings have multi tasks such as sensing, protection and healing. This review aims to highlights the most recent advances about smart coatings with self-healing properties. Preparation of the different smart coatings and its application for different substrates is also reviewed.

在过去的几年中，用于金属表面腐蚀防护的新型环保涂料的开发引起了材料科学的极大兴趣。智能自愈涂层由于可控地释放涂层中的活性剂以防止裂纹在保护层中传播，因此在不同的技术应用中显示出对金属和合金有希望的腐蚀防护。这些涂料具有被动基体功能，可以对局部环境的变化做出积极响应，这引起了材料科学家的极大兴趣。智能涂料由具有独特化学，物理，机械和电气特性的响应性材料制成。这些智能涂层可以响应并与不同的环境变化（例如压力，热和化学作用。智能涂料通常根据制备技术，功能和反应性组分及其用途和应用进行分类。典型的涂层包括：自修复，自清洁，微胶囊修复和防腐涂层。在保护金属基材的过程中，智能涂料具有多项任务，例如传感，保护和修复。本文旨在重点介绍具有自修复特性的智能涂料的最新进展。还综述了不同智能涂料的制备及其在不同基材上的应用。微胶囊愈合和防腐涂料。在保护金属基材的过程中，智能涂料具有多项任务，例如传感，保护和修复。本文旨在重点介绍具有自修复特性的智能涂料的最新进展。还综述了不同智能涂料的制备及其在不同基材上的应用。微胶囊愈合和防腐涂料。在保护金属基材的过程中，智能涂料具有多项任务，例如传感，保护和修复。本文旨在重点介绍具有自修复特性的智能涂料的最新进展。还综述了不同智能涂料的制备及其在不同基材上的应用。