T2铜箔热辅助超声波增材制造工艺

doi:10.11896/j.issn.1005-023X.2018.18.018

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Abstract The ultrasonic generator of 5 kW high power with double transducer push-pull roll welding head was used to make the ultrasonic incremental manufacturing of T2 Cu foil, and the external thermal field was provided by auxiliary heating device to make the heat distribution optimized in welding process. The influence of interface temperature on microstructure, mechanical pro-perties and fracture morphology of ultrasonic welding samples under different heating temperature and different welding pressure was investigated. The result implied that the solid phase bonding strength of the ultrasonic lap welding sample was best when the heating temperature was 100 ℃, which was 24.420 N/mm, and it increased first and then decreased with the increase of the interfacial temperature. At the same time, the plastic deformation in high frequency and dynamic recrystallization happened in the metal of ultraso-nic welding combined interface, and it appeared whirlpool and occlusion in the interface. The analysis of the peel interface morphology discovered that all the fracture mode of good bonding region are quasi-cleavage fracture.

Key words： T2 Cu foil ultrasonic additive manufacturing auxiliary heating consolidation

Published: 18 October 2018

CLC number:

TG456

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	Articles by authors
	SANG Jian
	WANG Bo
	ZHU Xunming
	ZHANG Hongtao
	WANG Yunfeng
	JIN Wei
	GAO Binglu
	CHANG Qing
	HE Peng

Cite this article:

SANG Jian,WANG Bo,ZHU Xunming, et al. Process of Heat-assisted Ultrasonic Additive Manufacturing of T2 Cu Foil[J]. Materials Reports, 2018, 32(18): 3199-3207.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.18.018 OR http://www.mater-rep.com/EN/Y2018/V32/I18/3199

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