Study on Wear Resistance of Nickel Cladding Layer with Imitation Shell Convex Strip Structure on the Surface of 7075 Aluminum Alloy Drill Pipe

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Journal Title
Journal ISSN
Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Date
2023-08
Major/Subject
Mcode
Degree programme
Language
en
Pages
20
Series
Coatings, Volume 13, issue 8
Abstract
In this study, a nickel cladding layer with a bionic convex strip structure was applied to the surface of an aluminum alloy drill pipe, and laser cladding technology was used to improve the wear resistance of the aluminum alloy drill pipe. Firstly, by observing the morphological characteristics of the shell surface, the ratio of the width of the convex strips to the spacing between the convex strips was obtained as 0.39–0.53, and thus a model of the bionic structure was constructed. Numerical simulations were performed, and the results showed that the wear of the bionic structure was reduced by 77.6% compared with that of the smooth structure. Subsequently, the cladding layers of both structures were coated on the drill pipe using nickel powder as the material, and wear tests were performed. The microstructure, composition, and hardness behavior of the cladding layers were analyzed using scanning electron microscopy, an X-ray diffractometer, and a microhardness tester. It was found that the cladding layer mainly consists of Al3Ni2, and there is a transition layer between the cladding layer and the aluminum alloy matrix, whose hardness is lower than that of Al3Ni2. In addition, the groove space can be formed between the convex strips, which effectively reduces the frequency of the debris flow. The results of the wear tests show that the wear of the cladding layer with the bionic structure is reduced by 74.0%. Similar results in numerical simulations and experiments verified that the designed cladding layer with a bionic convex strip structure can significantly improve the wear resistance of aluminum alloy drill pipes.
Description
Funding Information: This research has been funded by the National Natural Science Foundation of China (Grant No. 41972324 and No. 42172345), the National Key R&D Program of China (Grant No. 2022YFC3005903-2), the Scientific Research Project of the Education Department of Jilin Province (Grant Nos. JJKH20221014KJ and JJKH20221016KJ), the Engineering Research Center of Geothermal Resources Development Technology and Equipment(Grant Nos. 23021 and 23022), Ministry of Education, Jilin University, and the Graduate Innovation Fund of Jilin University (Grant No. 2022104 and No. 2022245). Publisher Copyright: © 2023 by the authors.
Keywords
laser cladding, shell bionics, simulation and testing, wear resistance
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Citation
Zhao , Y , Liao , G , Li , X , Gao , K , Zhang , C , Lv , X , Ai , H & Xie , X 2023 , ' Study on Wear Resistance of Nickel Cladding Layer with Imitation Shell Convex Strip Structure on the Surface of 7075 Aluminum Alloy Drill Pipe ' , Coatings , vol. 13 , no. 8 , 1317 . https://doi.org/10.3390/coatings13081317