Electrolytic production and characterization of nickel rhenium alloy coatings

被引:3
|
作者
Niedbala, Jolanta [2 ]
Popczyk, Magdalena [1 ]
Kopyto, Dorota [2 ]
Swinarew, Andrzej Szymon [1 ,3 ]
Matula, Izabela [1 ]
机构
[1] Univ Silesia Katowice, Fac Sci & Technol, 75 Pulku Piechoty 1A, PL-41500 Chorzow, Poland
[2] Lukasiewicz Res Network, Inst Nonferrous Met, Hydroelectromet Ctr, Sowinskiego 5, PL-44100 Gliwice, Poland
[3] Jerzy Kukuczka Acad Phys Educ, Inst Sport Sci, Mikolowska 72A, PL-40065 Katowice, Poland
关键词
nickel; rhenium; ammonium rhenate; electro-deposition; Ni-Re alloy coatings; HYDROGEN EVOLUTION REACTION; CORROSION-RESISTANCE; COMPOSITE COATINGS; NI; ELECTRODEPOSITION; MICROSTRUCTURE; DEPOSITION; SILICON;
D O I
10.1515/rams-2021-0058
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Electrolytic Ni-Re alloy coatings were obtained in galvanostatic conditions from nickel-rhenium baths with different contents of ammonium rhenate(vII) (0.5, 1.25, 2.5 and 5 g-L-1). The surface morphology, chemical, and phase composition of the obtained materials were determined. The coatings' corrosion resistance tests were carried out in a 5% NaCl solution. Based on the tests, it was found that the highest corrosion resistance characterizes the coating with the highest rhenium content (37%). This material can be recommended for practical use as a protective coating. The density of the deposited Ni-37Re alloy was determined, and its specific surface area was assessed. The melting point, hardness, and electrical conductivity were also determined.
引用
收藏
页码:784 / 793
页数:10
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