ELASTIC MODULUS, MICROPLASTIC PROPERTIES AND DURABILITY OF TITANIUM ALLOYS FOR BIOMEDICAL APPLICATIONS

被引：0

作者：

Betekhtin, V. I. ^{[1
]}

Kolobov, Yu. R. ^{[2
,3
]}

Golosova, O. A. ^{[4
]}

Dvorak, J. ^{[5
]}

Sklenicka, V. ^{[5
]}

Kardashev, K. ^{[1
]}

Kadomtsev, A. G. ^{[1
]}

Narykova, M. V. ^{[1
]}

Ivanov, M. B. ^{[2
]}

机构：

[1] Russian Acad Sci, Ioffe Phys Tech Inst, 26 Politekhn Skaya St, St Petersburg 194021, Russia

[2] Belgorod Res Univ, 85 Pobedy St, Belgorod 308015, Russia

[3] Russian Acad Sci, Inst Problems Chem Phys, 1 Academician Semenov Ave, Chernogolovka 142432, Russia

[4] Russian Acad Sci, Inst Struct Macrokinet & Mat Sci, 8 Academician Osipyan St, Chernogolovka 142432, Russia

[5] Acad Sci Czech Republic, Inst Phys Mat, 22 Zizkova, Brno 61662, Czech Republic

来源：

REVIEWS ON ADVANCED MATERIALS SCIENCE | 2016年 / 45卷 / 1-2期

基金：

俄罗斯科学基金会;

关键词：

SINGLE-CRYSTAL SUPERALLOYS; MECHANICAL-PROPERTIES; ELECTRONIC APPROACH; CORROSION BEHAVIOR; BETA; DESIGN; IMPLANTS;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This research was focused on a new low-modulus beta-type titanium alloy Ti-26Nb-7Mo-12Zr (wt.%). The microstructure effects on elastic modulus (measured by the acoustic resonance method) as well as microplastic, mechanical, tribological, and corrosive properties of Ti-26Nb-7Mo-12Zr alloy after thermomechanical processing were examined. The microstructure was characterized in detail by scanning electron microscopy and electron backscatter diffraction methods. The experimental research results have shown that formation of the fully recrystallized structure in the titanium alloy leads to an increase in elastic modulus, microplastic flow stress and plasticity, as compared to the corresponding characteristics of the alloy having partially recrystallized and coarse-grained structures. The durability of beta titanium alloy was examined and compared with that of commercially pure alpha titanium (CP Ti). It was found that, in the same creep loading conditions, the low-modulus Ti-26Nb-7Mo-12Zr alloy exhibits a longer time to creep fracture, as compared to the pure alpha titanium.

引用

页码：42 / 51

页数：10

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