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本文介绍了一种抗硫化氢/二氧化碳的耐腐蚀合金涂层的开发和评价,该涂层可用于油气开采中的油管、套管、管线管等碳钢管件内壁,保护管件不受硫化氢、二氧化碳、氯离子等造成的腐蚀危害,保障酸性油气田安全可靠地生产。在本开发工作中,选择高等级合金钢——C276作为原材料,采用圆柱体磁控溅射技术将C276合金沉积到碳钢管材内壁,对涂层的厚度、成份、附着力等性能进行了研究,在酸性溶液中,对涂层的耐腐蚀性能及抗氢渗透性能进行了实验评价。
This article describes the development and evaluation of an anti-hydrogen sulfide / carbon dioxide corrosion resistant alloy coating that can be used on the inner wall of carbon steel tubing such as tubing, casing, line tubing, etc. in oil and gas recovery to protect the tubing from hydrogen sulfide, Carbon dioxide, chloride ions caused by the corrosion damage, to ensure safe and reliable production of acidic oil and gas fields. In the development work, choose the high-grade alloy steel - C276 as raw material, the cylinder magnetron sputtering technology C276 alloy deposited to the inner wall of carbon steel pipe, the coating thickness, composition, adhesion and other properties were studied , In acidic solution, the corrosion resistance of the coating and anti-hydrogen permeability of the experimental evaluation.