Modeling of the Thermal Field in Dissimilar Alloy Ultrasonic Welding

P. Jedrasiak; H.R. Shercliff; Y.C. Chen; L. Wang; P. Prangnell; J. Robson

doi:10.1007/s11665-014-1342-8

Modeling of the Thermal Field in Dissimilar Alloy Ultrasonic Welding

P. Jedrasiak, H.R. Shercliff, Y.C. Chen, L. Wang, P. Prangnell, J. Robson

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Abstract

This paper describes a finite element model for predicting the temperature field in high power ultrasonic welding aluminum AA6111 to two dissimilar alloys, magnesium AZ31, and low carbon steel DC04. Experimental thermocouple and other evidence are used to infer the magnitude and distribution of the heat input to the workpiece, as a function of time, for each of the material combinations welded. The resulting temperature histories are used to predict the growth of intermetallic phases at the interface in Al-Mg welds. The microstructural model successfully predicts the thickness of the intermetallic layer, but the sensitivity of the results to temperature is demonstrated.

Original language	English
Pages (from-to)	799-807
Number of pages	8
Journal	Journal of Materials Engineering and Performance
Volume	24
Issue number	2
DOIs	https://doi.org/10.1007/s11665-014-1342-8
Publication status	Published - 10 Dec 2015

Keywords

aluminum
modeling and simulation
joining
magnesium
ultrasonic welding

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10.1007/s11665-014-1342-8

USW thermal and Al-Mg interface (Jedrasiak et al) - finalAccepted author manuscript, 960 KB

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

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title = "Modeling of the Thermal Field in Dissimilar Alloy Ultrasonic Welding",

abstract = "This paper describes a finite element model for predicting the temperature field in high power ultrasonic welding aluminum AA6111 to two dissimilar alloys, magnesium AZ31, and low carbon steel DC04. Experimental thermocouple and other evidence are used to infer the magnitude and distribution of the heat input to the workpiece, as a function of time, for each of the material combinations welded. The resulting temperature histories are used to predict the growth of intermetallic phases at the interface in Al-Mg welds. The microstructural model successfully predicts the thickness of the intermetallic layer, but the sensitivity of the results to temperature is demonstrated.",

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AU - Jedrasiak, P.

AU - Shercliff, H.R.

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AU - Prangnell, P.

AU - Robson, J.

PY - 2015/12/10

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KW - aluminum

KW - modeling and simulation

KW - joining

KW - magnesium

KW - ultrasonic welding

U2 - 10.1007/s11665-014-1342-8

DO - 10.1007/s11665-014-1342-8

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EP - 807

JO - Journal of Materials Engineering and Performance

JF - Journal of Materials Engineering and Performance

IS - 2

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Modeling of the Thermal Field in Dissimilar Alloy Ultrasonic Welding

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

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