期刊
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES
卷 33, 期 -, 页码 67-74出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijadhadh.2011.11.005
关键词
Structural adhesives; Joint design; Rapid prototyping; Adhesives multi-criteria selection
资金
- Community of Madrid
- Polytechnic University of Madrid
One of the most used methods in rapid prototyping is Fused Deposition Modeling (FDM), which provides components with a reasonable strength in plastic materials such as ABS and has a low environmental impact. However, the FDM process exhibits low levels of surface finishing, difficulty in getting complex and/or small geometries and low consistency in slim elements of the parts. Furthermore, cantilever elements need large material structures to be supported. The solution of these deficiencies requires a comprehensive review of the three-dimensional part design to enhance advantages and performances of FDM and reduce their constraints. As a key feature of this redesign a novel method of construction by assembling parts with structural adhesive joints is proposed. These adhesive joints should be designed specifically to fit the plastic substrate and the FDM manufacturing technology. To achieve this, the most suitable structural adhesive selection is firstly required. Therefore, the present work analyzes five different families of adhesives (cyanoacrylate, polyurethane, epoxy, acrylic and silicone), and, by means of the application of technical multi-criteria decision analysis based on the analytic hierarchy process (AHP), to select the structural adhesive that better conjugates mechanical benefits and adaptation to the FDM manufacturing process. (C) 2011 Elsevier Ltd. All rights reserved.
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