Ultrasonic spot welding of aluminium to steel for automotive applications-microstructure and optimisation

P. Prangnell; F. Haddadi; Y. C. Chen

doi:10.1179/026708310X520484

Ultrasonic spot welding of aluminium to steel for automotive applications-microstructure and optimisation

P. Prangnell, F. Haddadi, Y. C. Chen

Research output: Contribution to journal › Article › peer-review

Abstract

Energy efficient methods for joining aluminium to steel have potential for major applications in the automobile industry. Results are reported where 1 mm gauge 6111 aluminium and DC04 steel automotive sheet have been successfully joined using the novel process of high power ultrasonic spot welding. The microstructure and performance of the joints were examined, as a function of the welding conditions. A maximum failure load of 2.8 kN was obtained in lap shear tests, compared with 2.9 kN for comparable Al-Al joints. The failure mode changed from interfacial debonding to nugget pullout and back to interfacial failure as the weld energy increased. A thin

Original language	English
Pages (from-to)	617-624
Number of pages	7
Journal	Materials Science and Technology
Volume	27
Issue number	3
DOIs	https://doi.org/10.1179/026708310X520484
Publication status	Published - Mar 2011

Keywords

Aluminium alloy
Mechanical properties
Microstructure
Steel
Ultrasonic spot welding

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1179/026708310X520484

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Light Alloys towards environmentally sustainable transport: 2nd generation solutions for Advanced Metallic Systems ( LATEST 2 )
Thompson, G. (PI), Bate, P. (CoI), Prangnell, P. (CoI), Preuss, M. (CoI), Quinta Da Fonseca, J. (CoI), Robson, J. (CoI), Skeldon, P. (CoI) & Zhou, X. (CoI)
1/02/10 → 31/07/15
Project: Research

Cite this

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abstract = "Energy efficient methods for joining aluminium to steel have potential for major applications in the automobile industry. Results are reported where 1 mm gauge 6111 aluminium and DC04 steel automotive sheet have been successfully joined using the novel process of high power ultrasonic spot welding. The microstructure and performance of the joints were examined, as a function of the welding conditions. A maximum failure load of 2.8 kN was obtained in lap shear tests, compared with 2.9 kN for comparable Al-Al joints. The failure mode changed from interfacial debonding to nugget pullout and back to interfacial failure as the weld energy increased. A thin",

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doi = "10.1179/026708310X520484",

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AU - Prangnell, P.

AU - Haddadi, F.

AU - Chen, Y. C.

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Y1 - 2011/3

N2 - Energy efficient methods for joining aluminium to steel have potential for major applications in the automobile industry. Results are reported where 1 mm gauge 6111 aluminium and DC04 steel automotive sheet have been successfully joined using the novel process of high power ultrasonic spot welding. The microstructure and performance of the joints were examined, as a function of the welding conditions. A maximum failure load of 2.8 kN was obtained in lap shear tests, compared with 2.9 kN for comparable Al-Al joints. The failure mode changed from interfacial debonding to nugget pullout and back to interfacial failure as the weld energy increased. A thin

AB - Energy efficient methods for joining aluminium to steel have potential for major applications in the automobile industry. Results are reported where 1 mm gauge 6111 aluminium and DC04 steel automotive sheet have been successfully joined using the novel process of high power ultrasonic spot welding. The microstructure and performance of the joints were examined, as a function of the welding conditions. A maximum failure load of 2.8 kN was obtained in lap shear tests, compared with 2.9 kN for comparable Al-Al joints. The failure mode changed from interfacial debonding to nugget pullout and back to interfacial failure as the weld energy increased. A thin

KW - Aluminium alloy

KW - Mechanical properties

KW - Microstructure

KW - Steel

KW - Ultrasonic spot welding

U2 - 10.1179/026708310X520484

DO - 10.1179/026708310X520484

M3 - Article

SN - 1743-2847

VL - 27

SP - 617

EP - 624

JO - Materials Science and Technology

JF - Materials Science and Technology

IS - 3

ER -

Ultrasonic spot welding of aluminium to steel for automotive applications-microstructure and optimisation

Abstract

Keywords

UN SDGs

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Projects

Light Alloys towards environmentally sustainable transport: 2nd generation solutions for Advanced Metallic Systems ( LATEST 2 )

Cite this