Oxygen Diffusion in Ti–10Mo–Zr Alloys Studied Using Mechanical Spectroscopy

被引：0
|
作者：
Marcos Ribeiro da Silva
Raul Oliveira de Araújo
Gabriela Piovezan Santiago Suarez
Carlos Roberto Grandini
机构：
[1] UNESP – Univ Estadual Paulista,Laboratório de Anelasticidade e Biomateriais
[2] IFSP – Instituto Federal de Educação,undefined
[3] Ciência e Tecnologia do Estado de São Paulo,undefined
[4] IFSP – Instituto Federal de Educação,undefined
[5] Ciência e Tecnologia do Estado de São Paulo,undefined
来源：
Oxidation of Metals | 2022年 / 97卷
关键词：
Ti alloys; Interstitial oxygen; Diffusion; Dynamical mechanical analysis;
D O I：
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中图分类号：
学科分类号：
摘要：
Mechanical spectroscopy measurements (internal friction) have mainly been used as an information resource regarding solute behavior in metals and alloys, such as solubility limit, interstitial concentration, and diffusion. In this paper, the oxygen diffusion in Ti–10Mo–Zr alloys was investigated using mechanical spectroscopy measurements. Using the Arrhenius law and simple mathematical analysis of the relaxation peaks, the relaxation parameters were obtained. A relaxation spectrum was observed, associated with the interstitial diffusion of oxygen in a solution of Ti–10Mo–10Zr alloys. The activation energy (1.55 ± 0.01) eV and the diffusivity of oxygen (1.6 ± 0.5) × 10–4 cm2/s in the alloys were obtained using a mathematical treatment of the structures derived from the relaxation time.
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页码：183 / 193
页数：10
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