Ni Alloys as Advanced Multifunctional Materials

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metallic Functional Materials".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 3935

Special Issue Editor


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Guest Editor
University Politehnica of Bucharest, Bucharest, Romania
Interests: corrosion; nanostructured materials; electrodeposition from ionic liquids; modification of metal surfaces; thermoelectric or semiconductor materials

Special Issue Information

Dear Colleagues,

Various industrial sectors currently depend on the development and promotion of improved and innovative alloys and on their surface modifications as well as on the related process technologies.

An extensive variety of nickel based alloys exists which are widely used in aerospace engineering, medical appliances, chemical and petrochemical industries, nuclear power system and steam turbine power plants. Other several applications take into consideration their unique physical properties such as soft magnetic alloys, shape memory alloys, low expansion alloys and electrical resistance alloys.

Moreover, novel applications and the developments in the field of nanomaterials for the next generation of miniaturized devices make the scientific research on this topic very attractive.

A wide range of Ni alloys either as bulk materials or as coatings or nano/powders offer various structural or functional characteristics including improved mechanical properties, chemical and corrosion resistance, biocompatibility. They can act as (electro) catalytic materials or may provide (multi)functional properties such as optical, electromagnetic, ones, etc.

The aim of this Special Issue is to publish original research articles and critical reviews on all aspects related to the recent advances in the development of Ni alloys involving various technological processes, including metallurgical, electrochemical, physical ones and their characterization  closely related to the final application domain, from leading groups from academia and industry.

I am very pleased to invite you to submit your work to the Special Issue on “Ni alloys as advanced multifunctional materials”

Prof. Florentina Golgovici
Guest Editor

Manuscript Submission Information

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Keywords

  • Nanostructural materials
  • Dental alloys
  • Corrosion resistance
  • Structure
  • Surface modification
  • Biomaterials
  • Electrodeposition using ionic liquids
  • Electrodeposition of Ni alloys

Published Papers (1 paper)

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Research

21 pages, 7972 KiB  
Article
Electrodeposition of NiSn-rGO Composite Coatings from Deep Eutectic Solvents and Their Physicochemical Characterization
by Sabrina Patricia Rosoiu, Aida Ghiulnare Pantazi, Aurora Petica, Anca Cojocaru, Stefania Costovici, Caterina Zanella, Teodor Visan, Liana Anicai and Marius Enachescu
Metals 2020, 10(11), 1455; https://doi.org/10.3390/met10111455 - 30 Oct 2020
Cited by 14 | Viewed by 2973
Abstract
The present work describes, for the first time, the electrodeposition of NiSn alloy/reduced graphene oxide composite coatings (NiSn-rGO) obtained under pulse current electrodeposition conditions from deep eutectic solvents (choline chloride: ethylene glycol eutectic mixtures) containing well-dispersed GO nanosheets. The successful incorporation of the [...] Read more.
The present work describes, for the first time, the electrodeposition of NiSn alloy/reduced graphene oxide composite coatings (NiSn-rGO) obtained under pulse current electrodeposition conditions from deep eutectic solvents (choline chloride: ethylene glycol eutectic mixtures) containing well-dispersed GO nanosheets. The successful incorporation of the carbon-based material into the metallic matrix has been confirmed by Raman spectroscopy and cross-section scanning electron microscopy (SEM). A decrease in the crystallite size of the coating was evidenced when graphene oxide was added to the electrolyte. Additionally, the topography and the electrical properties of the materials were investigated by atomic force microscopy (AFM). The corrosion behavior in 0.5 M NaCl solution was analyzed through potentiodynamic polarization and electrochemical impedance spectroscopy methods for different immersion periods, up to 336 h, showing a slightly better corrosion performance as compared to pure NiSn alloy. Full article
(This article belongs to the Special Issue Ni Alloys as Advanced Multifunctional Materials)
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