ARGON-ARC CLADDING OF Q235 LOW-CARBON STEEL BY CO BASE ALLOY DEPOSITION

Zhiyun Ye, Zhiyuan Liu, Jianing Li, Qian Su, Bo Zhao, Shengzu Zhang, Dongwei Guan, Huabin Li, Hang Li and Zhanfeng Zhang
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Zhiyun Ye: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, P. R. China
Zhiyuan Liu: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, P. R. China
Jianing Li: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, P. R. China
Qian Su: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, P. R. China
Bo Zhao: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, P. R. China
Shengzu Zhang: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, P. R. China
Dongwei Guan: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, P. R. China
Huabin Li: School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, P. R. China
Hang Li: #x2020;Jinhengli Machinery Manufacturing Co., Ltd., Taian 271208, Shandong, P. R. China
Zhanfeng Zhang: #x2020;Jinhengli Machinery Manufacturing Co., Ltd., Taian 271208, Shandong, P. R. China

Surface Review and Letters (SRL), 2021, vol. 28, issue 04, 1-5

Abstract: The Co base layer was obtained without obvious defects by argon-arc cladding (AAC) of Co42A mixed powders (the welding current 160A and the welding speed 14mm/s). Then, the effect of different process parameters on the microstructure properties of this layer was investigated in detail. The compact clad zone was obtained, which consisted primarily of the fine dendrites; the sizes of the columnar crystals decreased significantly with increasing of the welding speeds. This AAC Co42A layer (the welding current 160A and the welding speed 14mm/s) had a high hardness due to the actions of the fine grain/solid solution strengthening and the produced multi-phase.

Keywords: Argon-arc cladding; surfaces; microstructure; crystals (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218625X21500177

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