Article made of a shape memory composite material, method...

Details Article made of a shape memory composite material, method... Article made of a shape memory composite material, method...

B - Operations, Transporting

29

C

B29C 61/06 (2006.01)

Patent

CA 2708620

The invention relates to an article (10) made of a shape memory composite material (12) comprising a shape memory polymer (14) and a magnetic material (16) embedded therein, said shape memory polymer (14) after thermomechanical programming being capable of undergoing at least one temperature-induced transition from a temporary shape into a permanent shape, as well as to a method for the production thereof and a method for retrieving stored shapes. It is envisaged that the article (10) has at least two directly or indirectly interconnected sections (18, 20) which differ by a different surface-to-volume ratio (S/V).

L'invention concerne un article (10) en un matériau composite (12) à mémoire de forme qui comporte un polymère (14) à mémoire de forme dans lequel est incorporé un matériau magnétique (16), le polymère (14) à mémoire de forme étant en mesure, après programmation thermomécanique, d'effectuer sous induction par la température au moins une transition de forme d'une forme temporaire à une forme permanente, ainsi qu'un procédé pour sa fabrication et qu'un procédé de rappel de formes conservées en mémoire. L'invention prévoit que l'article (10) présente au moins deux parties (18, 20) reliées directement ou indirectement l'une à l'autre et qui se distinguent par des rapports surface-volume (O/V) différents.

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