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    Laser Transmission Welding of a Lap-Joint: Thermal Imaging Observations and three–dimensional Finite Element Modeling

    Source: Journal of Heat Transfer:;2007:;volume( 129 ):;issue: 009::page 1177
    Author:
    L. S. Mayboudi
    ,
    P. J. Bates
    ,
    A. M. Birk
    ,
    G. Zak
    DOI: 10.1115/1.2740307
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Laser transmission welding (LTW) is a relatively new technology for joining plastic parts. This paper presents a three-dimensional (3D) transient thermal model of LTW solved with the finite element method. A lap-joint geometry was modeled for unreinforced polyamide (PA) 6 specimens. This thermal model addressed the heating and cooling stages in a laser welding process with a stationary laser beam. This paper compares the temperature distribution of a lap-joint geometry exposed to a stationary diode laser beam, obtained from 3D thermal modeling with thermal imaging observations. It is shown that the thermal model is capable of accurately predicting the temperature distribution when laser beam scattering during transmission through the polymer is included in the model. The weld dimensions obtained from the model have been compared with the experimental data and are in good agreement.
    keyword(s): Temperature , Lasers , Welding , Laser beams , Modeling , Temperature distribution , Imaging , Dimensions , Geometry , Heating AND Heat ,
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      Laser Transmission Welding of a Lap-Joint: Thermal Imaging Observations and three–dimensional Finite Element Modeling

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    http://yetl.yabesh.ir/yetl1/handle/yetl/136222
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    contributor authorL. S. Mayboudi
    contributor authorP. J. Bates
    contributor authorA. M. Birk
    contributor authorG. Zak
    date accessioned2017-05-09T00:24:39Z
    date available2017-05-09T00:24:39Z
    date copyrightSeptember, 2007
    date issued2007
    identifier issn0022-1481
    identifier otherJHTRAO-27823#1177_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/136222
    description abstractLaser transmission welding (LTW) is a relatively new technology for joining plastic parts. This paper presents a three-dimensional (3D) transient thermal model of LTW solved with the finite element method. A lap-joint geometry was modeled for unreinforced polyamide (PA) 6 specimens. This thermal model addressed the heating and cooling stages in a laser welding process with a stationary laser beam. This paper compares the temperature distribution of a lap-joint geometry exposed to a stationary diode laser beam, obtained from 3D thermal modeling with thermal imaging observations. It is shown that the thermal model is capable of accurately predicting the temperature distribution when laser beam scattering during transmission through the polymer is included in the model. The weld dimensions obtained from the model have been compared with the experimental data and are in good agreement.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleLaser Transmission Welding of a Lap-Joint: Thermal Imaging Observations and three–dimensional Finite Element Modeling
    typeJournal Paper
    journal volume129
    journal issue9
    journal titleJournal of Heat Transfer
    identifier doi10.1115/1.2740307
    journal fristpage1177
    journal lastpage1186
    identifier eissn1528-8943
    keywordsTemperature
    keywordsLasers
    keywordsWelding
    keywordsLaser beams
    keywordsModeling
    keywordsTemperature distribution
    keywordsImaging
    keywordsDimensions
    keywordsGeometry
    keywordsHeating AND Heat
    treeJournal of Heat Transfer:;2007:;volume( 129 ):;issue: 009
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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