Influence Mechanism of Recovered Powder Reuse on Erosion-corrosion Behavior of Plasma Spray-welded Ni-WC Coating

CHAI Hui; WANG Qinying; XI Yuchen; MA Wenqi; ZHANG Xinshou; XIAO Meng; DONG Lijin; BAI Shulin

doi:10.16490/j.cnki.issn.1001-3660.2025.06.006

CHAI Hui, WANG Qinying, XI Yuchen, MA Wenqi, ZHANG Xinshou, XIAO Meng, DONG Lijin, BAI Shulin

Surface Technology ›› 2025, Vol. 54 ›› Issue (6) : 74-86.

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Surface Technology ›› 2025, Vol. 54 ›› Issue (6) : 74-86. DOI: 10.16490/j.cnki.issn.1001-3660.2025.06.006

Corrosion and Protection

Influence Mechanism of Recovered Powder Reuse on Erosion-corrosion Behavior of Plasma Spray-welded Ni-WC Coating

CHAI Hui¹, WANG Qinying¹, XI Yuchen¹, MA Wenqi¹, ZHANG Xinshou¹, XIAO Meng¹, DONG Lijin¹, BAI Shulin²

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Abstract

The effects of powder recycling on the microstructure, static corrosion and erosion-corrosion behavior of plasma spray-welded Ni-WC coatings was investigated, and the corrosion and erosion-corrosion mechanisms of the coatings were revealed.

Key words

powder recycling; plasma spray; Ni-WC coating; erosion-corrosion; electrochemical behavior

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CHAI Hui, WANG Qinying, XI Yuchen, MA Wenqi, ZHANG Xinshou, XIAO Meng, DONG Lijin, BAI Shulin. Influence Mechanism of Recovered Powder Reuse on Erosion-corrosion Behavior of Plasma Spray-welded Ni-WC Coating[J]. Surface Technology. 2025, 54(6): 74-86