未包覆与wc基激光包覆SS304和SS410钢的冲蚀性能比较

IF 2.9 Q2 ELECTROCHEMISTRY Journal of Electrochemical Science and Engineering Pub Date : 2022-08-19 DOI:10.5599/jese.1333
Sarpreet Singh, Parlad Kumar, D. Goyal
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引用次数: 1

摘要

无数水力物料在运行过程中都遇到过严重的侵蚀颗粒袭击,导致目标物料的降解和经济损失。在本研究中,采用激光熔覆的方法在SS304和SS410钢的裸表面沉积了Colmonoy-6+WC粉末。研究了包覆表面的力学性能和冶金性能。分析了冲蚀颗粒冲击角和冲击速度等冲蚀参数对包覆钢试样和未包覆钢试样的影响。在所有的水泥浆侵蚀条件下,包覆钢的抗水泥浆侵蚀能力都比接收钢试件的高。在浆体冲蚀过程中,冲蚀颗粒的冲击速度对冲蚀角的影响更大。未涂覆侵蚀钢试样的扫描电镜图像表现出韧性行为以及地层唇、犁耕等,而被侵蚀的包覆钢表现出脆性行为。
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Comparison of erosion performance of uncladded and WC-based laser cladded SS304 and SS410 steels
Myriad hydro materials have been encountered with the severe attacks of eroded particles during the operation, leading to degradation of target material and economic loss. In this study, Colmonoy-6+WC powders were deposited with the help of the laser cladding method on the bare SS304 and SS410 steel surfaces. Distinct properties of cladded surfaces, such as mechanical as well as metallurgical properties, were investigated. The influence of slurry erosion parameters like angle of impact and impact velocity of eroded particles on the cladded as well as uncladded steel specimen was analysed. Under all slurry erosion conditions, there was an escalation in slurry erosion resistance in the case of cladded steel as that of as-received steel specimens. In slurry erosion, the influence of the impact velocity of erodent particles is more against the impact angle. The scanning electron microscopy images of eroded uncoated steel specimens represent ductile behaviour along with the formation lip, ploughing etc., while eroded cladded steels exhibit brittle behaviour.
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来源期刊
CiteScore
3.60
自引率
27.30%
发文量
90
审稿时长
6 weeks
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