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首页> 外文期刊>Journal of Minerals and Materials Characterization and Engineering >Characterisation and Corrosion-Erosion Behaviour of Carbide based Thermal Spray Coatings
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Characterisation and Corrosion-Erosion Behaviour of Carbide based Thermal Spray Coatings

机译：碳化物基热喷涂涂层的表征和腐蚀冲蚀行为

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Thermal spraying has emerged as a suitable and effective surface engineering technology and is widely used to apply wear, erosion and corrosion protective coatings for various kinds of industrial applications. Cr3C2-based coatings have been applied to a wide range of industrial components. Cr3C2-NiCr coatings offer greater corrosion and oxidation resistance, also having a high melting point and maintaining high hardness, strength and wear resistance up to a maximum operating temperature of 900 °C. The corrosion resistance is provided by NiCr matrix while the wear resistance is mainly due to the carbide ceramic phase. This paper reviews the performance, developments and applications of Cr3C2-NiCr thermal spray coatings for corrosion/erosion-corrosion under different types of environments and outlines the characterization of Cr3C2-NiCr coatings with respect to their microstructure and mechanical properties, together with some brief characterisation work by the author for HVOF sprayed 75Cr3C2-25NiCr coating on T91 boiler steel.
机译：热喷涂已经成为一种合适且有效的表面工程技术，并被广泛用于各种工业应用中的耐磨，防腐蚀和防腐蚀涂料。基于Cr3C2的涂料已应用于多种工业组件。 Cr3C2-NiCr涂层具有更高的耐腐蚀性和抗氧化性，并且熔点高，在最高900°C的最高工作温度下仍具有较高的硬度，强度和耐磨性。耐蚀性由NiCr基体提供，而耐磨性主要归因于碳化物陶瓷相。本文综述了Cr3C2-NiCr热喷涂层在不同类型环境下的腐蚀/侵蚀腐蚀的性能，发展和应用，并概述了Cr3C2-NiCr涂层的微观结构和力学性能，并简要介绍了其特性。作者的工作是在T91锅炉钢上进行HVOF喷涂75Cr3C2-25NiCr涂层。

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