INTERNAL FRICTION AND MICROSTRUCTURE OF Ti AND Ti-Mo ALLOYS CONTAINING OXYGEN

被引：21

作者：

Martins, J. R. S., Jr. ^{[1
]}

Araujo, R. O. ^{[1
]}

Nogueira, R. A. ^{[1
]}

Grandini, C. R. ^{[1
]}

机构：

[1] UNESP Univ Estadual Paulista, Lab Anelasticidade & Biomat, BR-17033360 Bauru, SP, Brazil

来源：

ARCHIVES OF METALLURGY AND MATERIALS | 2016年 / 61卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

Mechanical spectroscopy; anelasticity; internal friction; Ti-Mo alloys; interstitials; biomaterials; INTERSTITIAL SOLUTE ATOMS; SNOEK EFFECT DESE; MECHANICAL SPECTROSCOPY; ANELASTIC RELAXATION; POINT-DEFECTS; DISSOLVED ATOMS; BCC METALS; DISLOCATION; DIFFUSION; BEHAVIOR;

D O I：

10.1515/amm-2016-0011

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Ti-Mo alloys are promising materials for use as biomaterials, because these alloys have excellent corrosion resistance and a good combination of mechanical properties such as fatigue, low elastic modulus, hardness, and wear resistance. The objective of this paper was to study the effect of heavy interstitial atoms on anelastic properties of Ti-Mo alloys using mechanical spectroscopy. The internal friction and Young's modulus were measured as a function of temperature using dynamic mechanical analyser. The internal friction spectra were brought about by relaxation processes attributed to short-range stress induced reorientation of interstitial and substitutional complexes in solid solution. It is suggested that the nature of the relaxing entities can be worked out in further research on Ti-Mo single crystals.

引用

页码：25 / 30

页数：6

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