Influence of Oxidation on the Properties of Near-Surface Layers of Metals from Group IV (Ti, Zr, and Hf)

被引：1
|
作者：
Trush, V. S. [1 ]
Stoev, P., I [2 ]
Luk'yanenko, A. G. [1 ]
Voyevodin, V. M. [2 ]
Pohrelyuk, I. M. [1 ]
Fedirko, V. M. [1 ]
Kovtun, K., V [2 ]
Kravchyshyn, T. M. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Karpenko Physicomech Inst, Lvov, Ukraine
[2] Natl Acad Sci Ukraine, Inst Solid State Phys Mat Sci & Technol, Kharkiv Phys Tech Inst, NSC, Kharkiv, Ukraine
来源：
MATERIALS SCIENCE | 2022年 / 57卷 / 05期
关键词：
titanium; zirconium; hafnium; thermochemical treatment; oxygen-containing medium; near-surface layer; microhardness; mass increment; HYDROGEN SOLUBILITY; HAFNIUM; OXYGEN;
D O I：
10.1007/s11003-022-00591-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present characteristics of near-surface layers of d-elements from group IV (titanium, zirconium, and hafnium) after diffusion saturation from a controlled oxygen-containing gas medium (T = 750 degrees C, tau = 5 h under P = 1.33 center dot 10(-1) Pa, 1.33 center dot 10(-2) Pa, and 1.33 center dot 10(-3) Pa). It is shown that a hardened diffusion layer without phase film whose hardness is higher than the hardness of the metal matrix is formed in the order inverse to the order of the affinities for oxygen. The differences in the outward appearance of the surfaces of samples prior to and after heat treatment are demonstrated.
引用
收藏
页码：649 / 655
页数：7
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