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一、序言 NiTi形状记忆合金在室温下弯曲后加热到～65℃时又能伸直回复到原来形状。在工业上利用NiTi合金形状记忆功能最早的是美国(1969年)Raychem公司将NiTi合金用于管子连接,制作名为“Cryofit”的连接套管。目前NiTi合金的应用更为广泛了,譬如在工程上利用形状记忆的功能可制造自动调节部件、自激励紧固件、热量→机械能转换装置,也有用它制作耐磨、化工及消震和消声器件等。
First, the preface NiTi shape memory alloy after bending at room temperature heated to ~ 65 ° C can be straight back to its original shape. The earliest use of NiTi alloy shape memory in the industry was made in the United States (1969) by Raychem using NiTi alloys for pipe connections to make a connection sleeve called “Cryofit”. At present, NiTi alloy is more widely used, for example, the shape memory function can be used in engineering to make auto-adjusting parts, self-energizing fasteners, heat-mechanical energy conversion device, and also useful for making wear-resisting, chemical and shock absorbing and muffler Pieces and so on.