Kinetics of the Diffusion Saturation of VT1-0 Titanium Alloy with Nitrogen and Oxygen at a Temperature of 950°С

被引：0
|
作者：
Ya. S. Matychak
V. M. Fedirko
I. M. Pohrelyuk
O. V. Tkachuk
机构：
[1] Ukrainian National Academy of Sciences,Karpenko Physicomechanical Institute
来源：
Materials Science | 2014年 / 49卷
关键词：
diffusion; kinetics; titanium; nitrogen; oxygen;
D O I：
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学科分类号：
摘要：
We analytically describe the roles of nitrogen and oxygen as α-stabilizers in the formation of a three-layer diffusion zone (on the base of α-, (α + β)-, and β-phases) in VT1-0 titanium alloy. The constants of growth of these layers (at T = 950°С) are calculated, which enables us to predict the kinetics of changes in their thickness and the distribution of an interstitial elements (nitrogen or oxygen) in the diffusion zone. The evolution of microstructure of the surface layer of titanium after nitriding is experimentally recorded (after holding for 1 and 5 h).
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页码：688 / 695
页数：7
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