CHARACTERIZATION OF COATINGS CREATED ON SELECTED TITANIUM ALLOYS BY PLASMA ELECTROLYTIC OXIDATION

被引：3

作者：

Rokosz, K. ^{[1
]}

Hryniewicz, T. ^{[1
]}

Malorny, W. ^{[2
]}

机构：

[1] Koszalin Univ Technol, Div Surface Electrochem, Fac Mech Engn, Raclawicka 15-17, PL-75620 Koszalin, Poland

[2] Hsch Wismar Univ Appl Sci Technol Business & Desi, Fac Engn, DE-23966 Wismar, Germany

来源：

ADVANCES IN MATERIALS SCIENCE | 2016年 / 16卷 / 01期

关键词：

Plasma Electrolytic Oxidation; PEO; Micro Arc Oxidation; MAO; SEM; Titanium alloy; NiTi;

D O I：

10.1515/adms-2016-0001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The SEM and EDS results of coatings obtained on pure niobium and titanium alloys (NiTi and Ti6Al4V) by Plasma Electrolytic Oxidation in the electrolytes containing of 300 g and 600 g copper nitrate in 1 litre of concentrated phosphoric acid at 450 V for 3 minutes, are presented. The obtained coatings are porous and consist mainly of phosphorus within titanium and copper. For each coating, the Cu/P ratios were calculated. The maximum of that coefficient was found for niobium and Ti6Al4V alloy oxidised in the electrolyte containing 600 g of Cu(NO3)(2) in 1 dm(3) of H3PO4 and equaling to 0.22 (wt%) | 0.11 (at%). The minimum of Cu/P ratio was recorded for NiTi and Ti6Al4V alloys oxidised by PEO in electrolyte consisting of 300 g of copper nitrate in 1 dm3 of concentrated phosphoric acid and equals to 0.12 (wt%) | 0.06 (at%). The middle value of that ratio was recorded for NiTi and it equals to 0.16 (wt%) | 0.08 (at%).

引用

页码：5 / 16

页数：12

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