基于CMT技术的铝合金电弧增材制造研究进展

doi:10.11896/cldb.25030111

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Abstract Aluminum alloys, renowned for their high specific strength, lightweight properties, and excellent corrosion resistance, have been widely adopted as lightweight, high-strength structural materials in aerospace, aviation, and military industries. The Wire Arc Additive Manufacturing (WAAM) technology based on Cold Metal Transfer (CMT) offers advantages such as short production cycles, high efficiency, and superior formability, effectively avoiding defects in traditional castings like shrinkage pores, porosity, uneven microstructure, and coarse grains. This significantly meets the stringent requirements and broad applications of aluminum alloy forming. However, due to the thermal cycling characteristics of WAAM, defects such as pores, cracks, and uneven deformation still persist in manufactured components, considerably impacting their forming quality and microstructural performance. To eliminate microstructural defects and enhance the properties of WAAM components, a series of novel WAAM-assisted technologies, including interlayer rolling, high-energy ultrasonication, and friction stir-assisted methods, have emerged in recent years. This paper reviews recent domestic and international research progress in aluminum alloy WAAM, focusing ZL114A and ZL205A alloys. Key aspects such as specialized wire preparation, WAAM-assisted technologies, process optimization, microstructure regulation, defect suppression, performance enhancement, and additive technology applications are systematically summarized. Additionally, the strengthening mechanisms are analyzed and future development trends are prospected.

Key words： aluminum alloy additive manufacturing cold metal transfer microstructure regulation defect suppression

Published: Online: 2026-04-16

CLC number:

TG146.2+1

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	Articles by authors
	WU Fubao
	QIAO Bo
	WANG Xiaoting
	WU Lijun
	ZHANG Shiquan
	ZHENG Hongwei

Cite this article:

WU Fubao,QIAO Bo,WANG Xiaoting, et al. Recent Advances in CMT-based Wire Arc Additive Manufacturing of Aluminum Alloys[J]. Materials Reports, 2026, 40(7): 25030111-12.

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https://www.mater-rep.com/EN/10.11896/cldb.25030111 OR https://www.mater-rep.com/EN/Y2026/V40/I7/25030111

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