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让金属按照人的意愿随心所欲地改变形状,历来是人们的梦想。古典小说《西游记》中,孙悟空那根伸缩自如的金箍棒,或许寄托了古人对金属的某种期望。 为了改变金属的形状,从青铜器时代起,人们就用加热、锤击等方法想让金属听使唤。在20世纪60年代初,一种能记住自己本来面目的合金终于应运而生了。 1963年,美国海军军械实验室在一次实验中,需用镍钛合金丝。他们把原为圆圈状的镍钛合金丝拉直
It has always been the dream of the people to change the shape of a metal at will according to human will. Classical novel “Journey to the West”, the Monkey King that retractable gold hoop, may have pinned some of the ancients on the metal of some expectation. In order to change the shape of the metal, from the Bronze Age, people want to use metal, heating, hammering and other means to listen to. In the early 1960s, an alloy that could remember its true colors came into being. In 1963, the United States Navy Ordnance Laboratory in an experiment, the need to use nickel titanium alloy wire. They straightened the original nickel-titanium alloy wire in a circle