Composition and magnetic characteristics of plasma electrolytic oxide coatings on titanium

被引：0
|
作者：
Rudnev, V. S. [1 ,2 ]
Adigamova, M. V. [1 ]
Tkachenko, I. A. [1 ]
Yanushkevich, K. I. [3 ]
Lukiyanchuk, I. V. [1 ]
Morozova, V. P. [1 ]
机构：
[1] Russian Acad Sci, Inst Chem, Far East Branch, Vladivostok 690022, Russia
[2] Far Eastern Fed Univ, Vladivostok 690950, Russia
[3] Belarus Natl Acad Sci, SSPA Sci & Pract Mat Res Ctr, Minsk 220072, BELARUS
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2017年 / 53卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
OXIDATION; ALUMINUM; LAYERS;
D O I：
10.1134/S2070205117050185
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The results of studies of the composition and magnetic characteristics of coatings formed in different time periods on titanium in suspension electrolytes of compositions Na3PO4 + Na2B4O7 + Na2WO4 + Fe-2(C2O4)(3) (PBWFe, NEuroH 7.8) and Na(2)DePO(4) + Na2B4O7 + Na2WO4 + Fe-2(C2O4)(3) (P*BWFe, NEuroDe 7.4), as well as the characteristics of coatings fabricated in filtrates of both electrolytes, are presented. PBWFe and P*BWFe electrolytes contain colloid particles of iron hydroxides. Crystallites are contained in pores of PBWFe and P*BWFe coatings. The averaged Fe/Ti atomic ratio for crystallites in pores of PBWFe coatings formed in different periods of time is equal to similar to 2.6, while in pores of P*BWFe coatings it is equal to similar to 1.1. The samples with PBWFe coatings manifest ferromagnetic properties, while samples with P*BWFe coatings and those obtained in filtrates of both electrolytes are paramagnetics. It was shown that, for PBWFe and P*BWFe coatings formed in different time periods, the composition, thickness, and presence and composition of crystallites in pores, as well as magnetic and other controlled parameters, are fairly reproducible.
引用
收藏
页码：826 / 834
页数：9
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