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contributor authorLiu, Zhiwei
contributor authorLi, Yang
contributor authorWang, Yuefang
contributor authorKannatey-Asibu, Jr., Elijah
contributor authorEpureanu, Bogdan I.
date accessioned2019-09-18T09:08:03Z
date available2019-09-18T09:08:03Z
date copyright4/19/2019 12:00:00 AM
date issued2019
identifier issn1087-1357
identifier othermanu_141_6_061011
identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4259246
description abstractHigh temperature, short welding time, and low relative motion generate high bond quality in ultrasonic metal welding (USMW). Friction is considered to be the main heat source during USMW. Hence, a comprehensive and accurate understanding of friction heating has become particularly valuable for designing USMW processes and devices. However, stick, slip, and separation states may appear alternately in the welding zone between superimposed workpieces during USMW vibrations; hence, a strong nonlinear process is created. Furthermore, the structural dynamics and the heat transfer are highly coupled because material properties depend on temperature. In this research, we propose a fast and accurate numerical methodology to calculate the friction heating through a multiphysical approach integrating a nonlinear contact model, a nonlinear structural dynamics model, and a thermal model. The harmonic balance method and the finite element method are utilized to accelerate the simulation. Several experiments were performed with aluminum and copper workpieces under different clamping forces and vibration amplitudes to confirm the presented numerical method, resulting in a good match.
publisherAmerican Society of Mechanical Engineers (ASME)
titleNonlinear Dynamics of Friction Heating in Ultrasonic Welding
typeJournal Paper
journal volume141
journal issue6
journal titleJournal of Manufacturing Science and Engineering
identifier doi10.1115/1.4043455
journal fristpage61011
journal lastpage061011-10
treeJournal of Manufacturing Science and Engineering:;2019:;volume( 141 ):;issue: 006
contenttypeFulltext


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