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materiales
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Tema 3Propiedades de los
materiales
, Tabla de contenido
1. ¿Qué son las propiedades de un material? .................................................................................. 3
2. Obtención de los materiales ....................................................................................................... 3
2.1 Materias primas....................................................................................................................................... 3
2.2 Materiales ............................................................................................................................................... 4
2.3 Producto tecnológico ............................................................................................................................... 4
3. Tipos de materiales tecnológicos ................................................................................................ 5
3.1 La madera ................................................................................................................................................ 5
3.2 Los plásticos............................................................................................................................................. 5
3.3 Los metales .............................................................................................................................................. 5
3.4 Los materiales pétreos ............................................................................................................................. 5
3.5 Los materiales cerámicos ......................................................................................................................... 6
3.6 Los materiales textiles ............................................................................................................................. 6
4. Propiedades de los materiales .................................................................................................... 6
4.1 Propiedades físicas .................................................................................................................................. 6
4.1.1 Propiedades ópticas ........................................................................................................................ 6
4.1.2 Propiedades térmicas ..................................................................................................................... 7
4.1.3 Propiedades eléctricas .................................................................................................................... 7
4.1.4 Propiedades mecánicas................................................................................................................... 7
4.1.5 Propiedades acústicas ..................................................................................................................... 8
4.1.6 Propiedades sensoriales ................................................................................................................. 9
4.1.7 Propiedades magnéticas ................................................................................................................. 9
4.1.8 Otras propiedades .......................................................................................................................... 9
4.2 Propiedades químicas .............................................................................................................................. 9
4.3 Propiedades ecológicas ............................................................................................................................ 9
4.3.1 Toxicidad ........................................................................................................................................ 9
4.3.2 Reciclabilidad .................................................................................................................................10
4.3.3 Biodegrabilidad ..............................................................................................................................10
4.3.4 Renovables ....................................................................................................................................10
5. La elección de los materiales..................................................................................................... 10
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Departamento de Tecnología IES El Tablero I (Aguañac) 2018 - 2019
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