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The performance of different WC-based cermet coatings in oil and gas applications - A comparison

机译：石油和天然气中不同WC基金属陶瓷涂料的性能-比较

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摘要

WC-based thermally sprayed coatings are now widely used in a range of industries to improve the mechanical strength of the components, but also enhance the resistance of the substrate to wear and corrosion. High velocity oxygen fuel thermal spraying has been accepted as a pre-eminent technology to deposit composite coatings with high density, superior bond strengths and relatively low decarburization due to the high particle velocities and relatively low particle temperatures induced in the deposition process. Many types of tungsten carbide/metal cermet coatings have been developed by alloying with different chemical elements, in an attempt to enhance corrosion and even erosion-corrosion resistance of coatings produced by HVOF for industrial applications, for example oil and gas industries. In this paper the galvanic series and the erosion-corrosion behaviour of three types of tungsten carbide coatings and three different sealing technologies in simulated oil and gas industry environments are compared. The ultimate goal is to have an understanding of how optimum choice of coating for a given application can be made for applications in the oil and gas industry.
机译：现在，基于WC的热喷涂涂层已广泛用于许多行业，以提高组件的机械强度，同时也提高了基材的耐磨性和耐腐蚀性。高速氧气燃料热喷涂技术已被公认为是一种杰出的技术，该技术可沉积高密度，优异的粘结强度和相对较低的脱碳性能的复合涂层，这归因于沉积过程中产生的较高的粒子速度和较低的粒子温度。通过与不同化学元素合金化，已经开发出许多类型的碳化钨/金属金属陶瓷涂层，以试图增强由HVOF生产的用于工业应用（例如石油和天然气工业）的涂层的耐腐蚀甚至抗腐蚀腐蚀性能。本文比较了在模拟石油和天然气工业环境中三种类型的碳化钨涂层和三种不同的密封技术的电偶系和腐蚀-腐蚀行为。最终目的是要了解如何针对石油和天然气行业的应用为给定应用最佳选择涂层。

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