High temperature properties of state-change tooling materials / Brendan O'Toole in SAMPE JOURNAL, Vol. 44, N° 1 (01-02/2008)

[article]  inSAMPE JOURNAL > Vol. 44, N° 1 (01-02/2008) . - p. 42-52 Titre : High temperature properties of state-change tooling materials Type de document : texte imprimé Auteurs : Brendan O'Toole, Auteur ; Shahidur Rahman, Auteur ; Julio Malpica, Auteur ; Jagadeep Thota, Auteur ; Stacy Raagas, Auteur ; George Calvert, Auteur ; Kevin Cao, Auteur ; Linda Clements, Auteur Année de publication : 2008 Article en page(s) : p. 42-52 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 668.4 Plastiques, vinyles Résumé : A porous state-change material has been developed as part of a reconfigurable tooling system. The primary form of this material consists of hollow glass microspheres suspended in a water based blinder. The material is hardened by applying vacuum and elevated temperatures to the liquid slurry, leaving a thin binder layer between microspheres that holds them together. Mechanical and thermal characterization data for this material has been previously reported for relatively low temperature applications. There is interest in using this tooling system for the fabrication of the polymer composite structures that require processing temperatures in the range of 400°C (750°F). The material must withstand the thermal-mechanical loading experienced during the fabrication process, including the thermal cycling. Compression and flexural mechanical properties and coefficient of thermal expansion are determined at temperatures up to 400°C (750°F). Room temperature properties of the material are also determined after thermal cycling up to the same temperature. Note de contenu : - Density and porosity - Flexural properties - Thermal mechanical analysis (TMA) Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23353 [article]

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Innovative uses of reconfigurable tooling for rapid, low-cost composite manufacturing, repair, and replication / Linda Clements in SAMPE JOURNAL, Vol. 42, N° 6 (11-12/2006)

[article]  inSAMPE JOURNAL > Vol. 42, N° 6 (11-12/2006) . - p. 70-75 Titre : Innovative uses of reconfigurable tooling for rapid, low-cost composite manufacturing, repair, and replication Type de document : texte imprimé Auteurs : Linda Clements, Auteur ; John L. Crowley, Auteur ; Ted Jacobson, Auteur Année de publication : 2006 Article en page(s) : p. 70-75 Langues : Américain (ame) Index. décimale : 668.4 Plastiques, vinyles Résumé : Conventional tooling for composite manufaturing is extensive and requires long lead times. 2Phase Technologies, Inc. has created Reconfigurable Tooling Systems (RTS) that can quickly produce low-cost, lightweight tooling usable in most composite fabrication processes. These systems are based upon a new class of state-change materials that can be cycled from a liquid-like state to a solid state at room temperature with no change in dimensions. This paper describes the use of the tooling and tooling systems for part fabrication, replication, and repair, as well as the production of trapped tooling for applications including filament-winding of structures with precision-located features. This reconfigurable tooling technology enables a completely new approach to many composite manufacturing and repair operations, permitting designs and innovations that previously were difficult or impossible. Note de contenu : - Part prototyping, repair, and replication - Tapped tooling Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23458 [article]

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