Elastic Behavior of the Ti-13Nb-13Zr Alloy Obtained by Anelastic Spectroscopy

被引：1
|
作者：
Florencio, O. [1 ]
Silva, P. S., Jr. [1 ]
Ribeiro, R. [1 ]
Chavez, J. M. [1 ]
Sa, F. H. [1 ]
Melo, F. X. [1 ]
Schneider, S. G. [2 ]
机构：
[1] Univ Fed Sao Carlos, Dept Fis, CP 676, BR-13565905 Sao Carlos, SP, Brazil
[2] EEL USP, Dept Mat Engn, BR-12602810 Lorena, SP, Brazil
来源：
DIFFUSION IN SOLIDS AND LIQUIDS IV | 2009年 / 283-286卷
基金：
巴西圣保罗研究基金会;
关键词：
Ti-13Nb-13Zr; Elastic Modulus; Anelastic Relaxation; INTERNAL-FRICTION; TITANIUM-ALLOYS;
D O I：
10.4028/www.scientific.net/DDF.283-286.84
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Measurements of anelastic relaxation (internal friction and frequency) as a function of temperature were carried out in samples of Ti-13Nb-13Zr using two experimental apparatus: Flexural Vibration of the first tone of samples in Acoustic Elastometer System (Vibran Technology (R)) operating in a kilohertz bandwidth, and Torsional Vibration of the samples in Ke-type Torsion Pendulum operating in a hertz bandwidth. Experimental spectra of anelastic relaxation were determined in the temperature range from 300 K to 450 K for a heating rate of 1K/min under pressure of 10(-5) Torr, in both apparatus. The results show a relaxation structure strongly dependent on the microstructure of the material. The dynamical elastic modulus (E) of Ti-13Nb-13Zr alloy can be determined by flexural vibrations by frequency (f) measurements (f proportional to E-1/2). The anelastic relaxation spectrum of Ti-13Nb-13Zr alloy was a function of temperature obtained by torsional vibrations, not revealing the presence of interstitial solutes in solid solution in the temperature range of measurements.
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页码：84 / +
页数：3
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