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Real-time diagnosis of gas-assisted hot embossing process by ultrasound

Par Conseil national de recherches du Canada

DOITrouver le DOI : https://doi.org/10.1002/pen.23465
AuteurRechercher : ; Rechercher : ; Rechercher : 1; Rechercher :
Affiliation
  1. Conseil national de recherches du Canada. Institut des matériaux industriels du CNRC
FormatTexte, Article
SujetGas pressures; Gas-assisted hot embossing; High temperature ultrasonic transducers; Plastic plates; Real-time diagnosis; V-cut pattern; Sheet molding compounds; Ultrasonic transducers; Ultrasonics; Gases
Résumé
An integrated high temperature ultrasonic transducer (HTUT) sensor has been utilized for diagnosis of gas-assisted hot embossing process to fabricate V-cut patterns real-time, nonintrusively and nondestructively. The progression of the process, including plastic plate soften, gas introducing, cooling, and plate detachment inside the chamber, was clearly observed using ultrasound. Ultrasonic velocity could not only indicate the four steps of process, but also evaluate the replicating degree of the V-cut patterns on surface of plastic plate under various temperature and gas pressure settings. The experimental results indicate that the heights of V-cut patterns increase with temperature and gas pressure. © 2013 Society of Plastics Engineers.
Date de publication
Dans
  • Polymer Engineering and Science 53, nº 10 (2013) : 2175–2182.
Langueanglais
Publications évaluées par des pairsOui
Numéro NPARC21269705
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Identificateur de l’enregistrementb291a016-e504-462c-a263-a39502231c42
Enregistrement créé2013-12-13
Enregistrement modifié2020-04-22
Date de modification :