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An analytical energy model for metal foil deposition in ultrasonic consolidation

Yanzhe Yang (Department of Mechanical and Aerospace Engineering, Utah State University, Logan, Utah, USA)
G.D. Janaki Ram (Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai, India)
Brent E. Stucker (Department of Mechanical and Aerospace Engineering, Utah State University, Logan, Utah, USA)

Rapid Prototyping Journal

ISSN: 1355-2546

Article publication date: 19 January 2010

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Abstract

Purpose

Recently, a number of research projects have been focused on an emerging additive manufacturing process, termed ultrasonic consolidation (UC). The purpose of this paper is to present an analytical energy model aimed at investigating the effects of process parameters on bond formation in UC.

Design/methodology/approach

In the model, two factors are defined, energy input to the workpiece within a single cycle of ultrasonic vibration (E0) and total energy input to the workpiece (Et), to evaluate to the magnitude of transmitted energy into the workpiece during UC.

Findings

It is found that linear weld density, E0 and Et are affected by process parameters in similar manners.

Research limitations/implications

The current model is developed based on several simplifying assumptions, and energy dissipation and bond degradation during UC are not considered in the model.

Originality/value

The current model gives a useful understanding of the effects of process parameter on the bond formation in UC from an energy point of view.

Keywords

Citation

Yang, Y., Janaki Ram, G.D. and Stucker, B.E. (2010), "An analytical energy model for metal foil deposition in ultrasonic consolidation", Rapid Prototyping Journal, Vol. 16 No. 1, pp. 20-28. https://doi.org/10.1108/13552541011011668

Publisher

:

Emerald Group Publishing Limited

Copyright © 2010, Emerald Group Publishing Limited