Joining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations

In order to realize light weight structure with multi-materials, this research applied ultrasonic joining method for dissimilar joining. As the joining members, aluminum alloy and CFRTP, CFRP using thermoplastic as base resin are selected because of their specific strength. By using ultrasonic joini...

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Autores principales:	Kouta WAKUI, Naoto OHTAKE
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2019
Materias:	ultrasonic vibrations joining plastic deformation cfrtp aluminum alloy multimaterialization Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/c232ee147fe34012ac4a9b6becad967a
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spelling	oai:doaj.org-article:c232ee147fe34012ac4a9b6becad967a2021-11-29T05:43:34ZJoining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations2187-974510.1299/mej.19-00046https://doaj.org/article/c232ee147fe34012ac4a9b6becad967a2019-03-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/6/3/6_19-00046/_pdf/-char/enhttps://doaj.org/toc/2187-9745In order to realize light weight structure with multi-materials, this research applied ultrasonic joining method for dissimilar joining. As the joining members, aluminum alloy and CFRTP, CFRP using thermoplastic as base resin are selected because of their specific strength. By using ultrasonic joining system which generates maximum stress amplitude on joining plane, this stress fluctuation by ultrasonic application promote plastic flow in aluminum alloy. As a result, the plastic flow at interface remove resin of the CFRTP matrix, and the exposed carbon fibers are embedded in the Al alloy. Those mechanical interlocking at the interface enabled this dissimilar joining. Focusing on those effects caused by ultrasonic, we examined conditions that show high joining strength. By preparing specimens under various conditions, discuss relationship between joining conditions and joining strength by a series of cross tensile strength test. Moreover, the series of experiments with changing ultrasonic application time revealed that this joining method has the most suitable processing time, 0.8 s, and excess processing decrease its joining strength. Finally mechanism of this joining method has been discussed with the results of joining interface observation. And it was confirmed that carbon fibers embedded into Al alloy by plastic deformation form mechanical interlocking between carbon fiber and Al alloy.Kouta WAKUINaoto OHTAKEThe Japan Society of Mechanical Engineersarticleultrasonic vibrationsjoiningplastic deformationcfrtpaluminum alloymultimaterializationMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 6, Iss 3, Pp 19-00046-19-00046 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	ultrasonic vibrations joining plastic deformation cfrtp aluminum alloy multimaterialization Mechanical engineering and machinery TJ1-1570
spellingShingle	ultrasonic vibrations joining plastic deformation cfrtp aluminum alloy multimaterialization Mechanical engineering and machinery TJ1-1570 Kouta WAKUI Naoto OHTAKE Joining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations
description	In order to realize light weight structure with multi-materials, this research applied ultrasonic joining method for dissimilar joining. As the joining members, aluminum alloy and CFRTP, CFRP using thermoplastic as base resin are selected because of their specific strength. By using ultrasonic joining system which generates maximum stress amplitude on joining plane, this stress fluctuation by ultrasonic application promote plastic flow in aluminum alloy. As a result, the plastic flow at interface remove resin of the CFRTP matrix, and the exposed carbon fibers are embedded in the Al alloy. Those mechanical interlocking at the interface enabled this dissimilar joining. Focusing on those effects caused by ultrasonic, we examined conditions that show high joining strength. By preparing specimens under various conditions, discuss relationship between joining conditions and joining strength by a series of cross tensile strength test. Moreover, the series of experiments with changing ultrasonic application time revealed that this joining method has the most suitable processing time, 0.8 s, and excess processing decrease its joining strength. Finally mechanism of this joining method has been discussed with the results of joining interface observation. And it was confirmed that carbon fibers embedded into Al alloy by plastic deformation form mechanical interlocking between carbon fiber and Al alloy.
format	article
author	Kouta WAKUI Naoto OHTAKE
author_facet	Kouta WAKUI Naoto OHTAKE
author_sort	Kouta WAKUI
title	Joining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations
title_short	Joining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations
title_full	Joining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations
title_fullStr	Joining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations
title_full_unstemmed	Joining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations
title_sort	joining of cfrtp and aluminum alloy thin plates using ultrasonic vibrations
publisher	The Japan Society of Mechanical Engineers
publishDate	2019
url	https://doaj.org/article/c232ee147fe34012ac4a9b6becad967a
work_keys_str_mv	AT koutawakui joiningofcfrtpandaluminumalloythinplatesusingultrasonicvibrations AT naotoohtake joiningofcfrtpandaluminumalloythinplatesusingultrasonicvibrations
_version_	1718407671199039488

Joining of CFRTP and aluminum alloy thin plates using ultrasonic vibrations

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