Effect of Cyclic Heating on the Properties of PEO Coatings on an UFG Ti–18Zr–15Nb Alloy

被引：0
|
作者：
L. I. Zaynullina [1 ]
I. Z. Sharipov [1 ]
D. V. Gunderov [1 ]
R. G. Farrakhov [2 ]
E. V. Parfenov [1 ]
机构：
[1] Ufa University of Science and Technology,
[2] Institute of Molecule and Crystal Physics,undefined
[3] Ural Federal Research Centre,undefined
[4] Russian Academy of Sciences,undefined
来源：
Russian Metallurgy (Metally) | 2024年 / 2024卷 / 8期
关键词：
: plasma-electrolytic oxidation; Ti–Zr–Nb alloys; biocompatible coatings;
D O I：
10.1134/S0036029525700338
中图分类号：
学科分类号：
摘要：
Abstract—The temperature dependence of the Ti–18Zr–15Nb alloy dilation in an ultrafine-grained (UFG) state formed by equal-channel angular pressing (ECAP), which is coated using plasma-electrolytic oxidation (PEO), is investigated. The stability of the formed PEO coatings to heating and cooling has also been determined. The results demonstrate that a sharp increase in the thermal expansion coefficient (TEC) at 350°C indicates the presence of a phase transformation. During tests, a porous coating on the Ti–18Zr–15Nb alloy is retained, but cracks become larger and longer.
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页码：1797 / 1802
页数：5
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