Effect of Heat Treatment on Superelasticity of NiTi-based Intravascular Implants

被引：0
|
作者：
Lotkov, Aleksandr I. [1 ]
Kashin, Oleg A. [1 ]
Kudryashov, Andrey N. [2 ]
Grishkov, Viktor N. [1 ]
Meisner, Ludmila L. [1 ]
机构：
[1] Inst Strength Phys & Mat Sci SB RAS, Tomsk 634055, Russia
[2] Angioline Intervent Device Ltd, Novosibirsk 630090, Russia
来源：
INTERNATIONAL CONFERENCE ON PHYSICAL MESOMECHANICS OF MULTILEVEL SYSTEMS 2014 | 2014年 / 1623卷
关键词：
nickel-titanium alloys; superelasticity; martensite transformations; intravascular implants; shape recovery;
D O I：
10.1063/1.4898957
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The paper analyzes the conditions for realization of superelasticity in nickel-titanium (NiTi) alloys due to martensite transformations. The degree of superelasticity, its temperature range, and related shape recovery necessary for NiTi alloys as intravascular implant materials are determined. It is shown that the desired characteristics of medical NiTi implants are attained by heat treatment at 773 +/- 10 K for 15-30 min.
引用
收藏
页码：363 / 366
页数：4
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