现已广泛应用的形状记忆合金大都是ＴｉＮｉ系合金,通常都用熔炼法生产,但熔炼法还存在不少缺点,如难以获得成分均匀的合金,容易混入碳(来自坩埚)等杂质且难以制作形状复杂的制件。为了解决熔炼法所存在的问题,人们广泛研究了粉末烧结法,已能利用燃烧合成技术制取ＴｉＮｉ... The most widely used shape memory alloys are TiNi based alloys, which are usually produced by melting. However, there are still some shortcomings in the melting method, such as difficulty in obtaining an alloy with uniform composition, easy mixing of impurities such as carbon (from a crucible), and difficulty in manufacturing Complex shapes of parts. In order to solve the problems existing in the smelting method, people have extensively studied the powder sintering method, and have been able to produce TiNi using combustion synthesis technology.