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介绍了研制的新型外科扩张器,讨论了合金成份、热处理工艺、变形行为等的影响。经医学临床实验表明,选用(50.8—51.2)at％Ni含量的镍钛合金制作新型外科扩张器是适宜的。
The new type of surgical dilator developed was introduced and the effects of alloy composition, heat treatment process and deformation behavior were discussed. The medical clinical experiments show that the selection of (50.8-51.2) at% Ni content of nickel-titanium alloy to make a new surgical dilator is appropriate.