Amazing Memory Wire! julho 15, 2012 Gerar link Facebook X Pinterest E-mail Outros aplicativos Passeando pelo Youtube, dei de cara com um vídeo sobre memória de formato, usando um fio de Nitinol. Este material pode ser encontrado no Mercado livre a um custo relativamente baixo. Vale a pena pelo efeito que causa. Nitinol designa um conjunto de ligas de Ni (Níquel) e Ti (Titânio) que apresentam a propriedade de “efeito de memória de forma”. Um objeto de Nitinol na temperatura ambiente é fácil de entortar, porém, após uma aparente deformação, se torna rígido e recupera a sua forma original quando aquecido acima de uma determinada temperatura. Trata-se de uma mudança de fase no estado sólido (austenita/martensita).<br /> <br /> <br /> Se você gostou, por favor, clique em +1 abaixo e ajude a divulgar. 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