SELECCIÓN DE MATERIALES Y PROCESOS DE FABRICACIÓN

Transcription

1 SELECCIÓN DE MATERIALES Y PROCESOS DE FABRICACIÓN SELECCIÓN DE MATERIALES CANDIDATOS PARA CUBIERTOS DESECHABLES Professor Juan Carlos Albiñana Medina IES POLITECNIC - CASTELLÓN J.C. Albiñana Medina, 2010 For reproduction guidance see back page Granta s Teaching Resources website aims to support teaching of materials-related courses in Engineering, Science and Design. The resources come in various formats and are aimed at different levels of student. This resource has been donated by a member of faculty of one of the 700+ universities and Colleges worldwide who use Granta s CES EduPack. There is also a complete set of resources created by Professor Mike Ashby of the Department of Engineering at the University of Cambridge, founder of Granta Design. The teaching resource website contains both resources that require the use of CES EduPack and those that don t.

2 Documento Nº 4 SELECCIÓN DE MATERIALES Y PROCESOS DE FABRICACIÓN: "APLICACIÓN DEL PROCESO DE SELECCIÓN DE MATERIALES BASADO EN LOS DIAGRAMAS DE ASHBY" "SELECCIÓN DE MATERIALES CANDIDATOS PARA CUBIERTOS DESECHABLES" Albiñana Medina Joan Carles CUBIERTOS DESECHABLES PARA COMIDA RÁPIDA. FUNCIÓN Producir cubiertos desechables respetuosos con el medio ambiente. OBJETIVOS Maximizar la carga de rotura. Minimizar la masa de material. Minimizar la energía de producción. Minimizar el coste del material. Fabricante comercial: RESTRICCIONES Material reciclable o biodegradable. Reutilizable. Apto para lavavajillas. No inflamable o autoextinguible. Dimensiones especificas. Stage 3 Link Record Number Passed ProcessUniverse: \ Shaping \ Deformation 1366 Show ProcessUniverse: \ Shaping \ Molding 726 Show

3 Stage 1 Page 1 of 2 Click on the headings to show/hide selection criteria General properties Composition overview Composition detail Mechanical properties Thermal properties Minimum Maximum Melting point C Glass temperature C Maximum service temperature 70 C Minimum service temperature C Thermal conductivity Specific heat capacity Thermal expansion coefficient W/m. C J/kg. C µstrain/ C Electrical properties Optical properties Durability: flammability Flammability Self-extinguishing Durability: fluids and sunlight Water (fresh) Water (salt) Weak acids Acceptable Strong acids Weak alkalis Acceptable Material Primary material recycling: production: energy, CO2 energy, and recycle CO2 and fraction water Recycle gfedc Minimum Maximum No warranty is given for the accuracy of this data. Values marked * are estimates.

4 Stage 2 - Stiffness/Production_energy vs. Price (EUR/kg) 8e-5 [Young's modulus] ^( 1/3)/([Polymer molding energy] * [Density]) 7e-5 6e-5 5e-5 4e-5 3e-5 PVC (rigid, lead stabilized) PS (high impact, flame retarded) PP (homopolymer, flame retarded V-0) PP (copolymer, 20% talc, flame retarded, 5VA) Price/Polymer molding energy No warranty is given for the accuracy of this data. Values marked * are estimates.

5 Author We would like to thank Professor Juan Carlos Albiñana Medina of the IES POLITECNIC - CASTELLÓN for contributing this resource. You can contact him via the address jcalbinana@gmail.com. Reproduction These resources have been contributed on the basis that you can download and reproduce these resources in order to use them with students. You should make sure that the author and their institution are credited on any reproductions. You cannot use this resource for any commercial purpose. Accuracy We try hard to make sure that resources in Granta s Teaching Resource Website are of a high quality. If you have any suggestions for improvements, you can contact the author using the contact details above. Other resources include: 19 PowerPoint lecture units Exercises with worked solutions Recorded webinars Posters White Papers Solution Manuals Interactive Case Studies J.C. Albiñana Medina, 2010 Granta s Teaching Resources website aims to support teaching of materials-related courses in Engineering, Science and Design. The resources come in various formats and are aimed at different levels of student. This resource has been donated by a member of faculty of one of the 700+ universities and Colleges worldwide who use Granta s CES EduPack. There is also a complete set of resources created by Professor Mike Ashby of the Department of Engineering at the University of Cambridge, founder of Granta Design. The teaching resource website contains both resources that require the use of CES EduPack and those that don t.