journal article·2021-05-22Open access

Plasma Electrolytic Oxidation Ceramic Coatings on Zirconium (Zr) and Zr-Alloys: Part-II: Properties and Applications

Navid Attarzadeh, C. V. Ramana

Coatings· Volume 11· Issue 6

Abstract

A plasma electrolytic oxidation (PEO) is an electrochemical and eco-friendly process where the surface features of the metal substrate are changed remarkably by electrochemical reactions accompanied by plasma micro-discharges. A stiff, adhesive, and conformal oxide layer on the Zr and Zr-alloy substrates can be formed by applying the PEO process. The review describes recent progress on various applications and functionality of PEO coatings in light of increasing industrial, medical, and optoelectronic demands for the production of advanced coatings. Besides, it explains how the PEO coating can address concerns about employing protective and long-lasting coatings with a remarkable biocompatibility and a broad excitation and absorption range of photoluminescence. A general overview of the process parameters of coatings is provided, accompanied by some information related to the biological conditions, under which, coatings are expected to function. The focus is to explain how the biocompatibility of coatings can be improved by tailoring the coating process. After that, corrosion and wear performance of PEO coatings are described in light of recognizing parameters that lead to the formation of coatings with outstanding performance in extreme loading conditions and corrosive environments. Finally, a future outlook and suggested research areas are outlined. The emerging applications derived from paramount features of the coating are considered in light of practical properties of coatings in areas including biocompatibility and bioactivity, corrosion and wear protection, and photoluminescence of coatings
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Research context

OpenAlex topics: Bone Tissue Engineering Materials · Magnesium Alloys: Properties and Applications · Orthopaedic implants and arthroplasty

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Center for Advanced Materials Research, University of Texas at El Paso, 500 W. Univ. Ave., El Paso, TX 79968, USA

Environmental Science and Engineering, University of Texas at El Paso, 500 W. Univ. Ave., El Paso, TX 79968, USA

Department of Mechanical Engineering, University of Texas at El Paso, 500 W. Univ. Ave., El Paso, TX 79968, USA

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