铜合金板材低电压螺柱喷涂304奥氏体不锈钢喷涂工艺及涂层性能研究

doi:10.11896/cldb.24070070

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Abstract As an emerging, economical and practical spraying technology, the low-voltage stud spraying method has broad application potential in aerospace, automobile manufacturing and energy industries. Stainless steel coating is prepared on the surface of copper alloy sheet by low vol-tage stud spraying. The macroscopic morphology of the coating is smooth, but the local area shows ridge-like structure and micro-cracks. There is an islandand sheet structure at the interface of Cu/304 austenitic stainless steel, and the elements on both sides diffuse mutually at the interface. EDS and XRD results show that the microstructure of the coating surface is mainly composed of Fe, Cr, Ni and Cu. The microhardness test shows that the microhardness of the central area of the coating is the highest and much higher than that of the copper plate area, which is about 502HV.

Key words： low voltage stud spraying coating surface coating interface microhardness microstructure

Published: 25 July 2025 Online: 2025-07-29

CLC number:

TG47

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	Articles by authors
	ZHAO Xilong
	CAO Zeyu
	ZHAO Ming
	WANG Kun

Cite this article:

ZHAO Xilong,CAO Zeyu,ZHAO Ming, et al. Investigation on Spraying Process and Coating Property of 304 Austenitic Stainless Steel by Low Voltage Stud Spraying on Copper Alloy Plate[J]. Materials Reports, 2025, 39(14): 24070070-7.

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https://www.mater-rep.com/EN/10.11896/cldb.24070070 OR https://www.mater-rep.com/EN/Y2025/V39/I14/24070070

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