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Title: A model for weld strength in ultrasonically consolidated components
Authors: Kong, Choon-Yen
Soar, Rupert C.
Dickens, Phill M.
Keywords: Layered manufacturing
Weld strength
Solid state welding
Aluminium alloy
Ultrasonic consolidation
Issue Date: 2005
Publisher: Professional Engineering Publishing / © IMechE
Citation: KONG, C., SOAR, R.C. and DICKENS, P.M., 2005. A model for weld strength in ultrasonically consolidated components. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 219 (1), pp. 83-91
Abstract: Ultrasonic consolidation (UC) is a solid freeform fabrication technique developed for the manufacture of metal parts. The mechanisms by which bonds are formed, during the UC process, are based on a combination of the surface effect and the volume effect. Based on the outcomes of peel tests and microstructural analysis, this paper will consider the influence of these two phenomena on the weld strength of specimens. A model is presented to describe how calculations for weld strength may be derived on the basis of the theory of surface and volume effects. Through the application of the model, it was possible to demonstrate that the weld strength may be 7 per cent greater than the tensile strength of the base metal. The identification of the phenomena and the development of a model for weld strength have led to the modification and production of an enhanced test procedure which is described in this paper.
Description: This article was published in the journal, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science [© IMechE]. It is also available at: http://journals.pepublishing.com/content/119771
Version: Published
DOI: 10.1243/095440605X8315
URI: https://dspace.lboro.ac.uk/2134/4714
ISSN: 0954-4062
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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