CHARACTERIZATION AND ELECTROCHEMICAL CORROSION ANALYSIS OF HEAT-TREATED REINFORCED HA COATINGS DEPOSITED BY VACUUM PLASMA SPRAY TECHNIQUE

Amardeep Singh Kang, Gurbhinder Singh, Vikas Chawla, Chander Prakash, Ramanujam Radhakrishnan, Linda Yongling Wu and H. Y. Zheng
Additional contact information
Amardeep Singh Kang: School of Mechanical Engineering, Lovely Professional University, Phagwara, Punjab 114441, India
Gurbhinder Singh: ��Department of Mechanical Engineering, Anand College of Engineering and Management, Kapurthala, Punjab 144601, India
Vikas Chawla: ��Department of Mechanical Engineering, I. K. Gujral Punjab Technical University, Hoshiarpur Campus, Punjab 146001, India
Chander Prakash: School of Mechanical Engineering, Lovely Professional University, Phagwara, Punjab 114441, India
Ramanujam Radhakrishnan: �School of Mechanical Engineering, Vellore Institute of Technology, Vellore 632014, India
Linda Yongling Wu: �School of Mechanical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
H. Y. Zheng: �School of Mechanical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China

Surface Review and Letters (SRL), 2025, vol. 32, issue 04, 1-16

Abstract: Herein, a biomimetic coating of hydroxyapatite (HA)–Al2O3 and HA–ZrO2 was deposited on Ti–6Al–4V-alloy using vacuum plasma spray (VPS) technique. The bond-coat of ZrO2 has been introduced between the substrate and reinforced HA coatings to study the effect of bond-coat on structural, mechanical properties and electrochemical corrosion performance of the developed coatings. In addition, the impact of thermal treatment of coating was investigated on these properties too. Coating characteristics, such as morphology, porosity, surface roughness, and crystallinity were investigated. The corrosion performance of coatings was tested in Hank’s-based salt solution (HBSS). Significant enhancement in crystallinity and surface-hardness has been witnessed after heat treatment; nevertheless, porosity reduced. The electrochemical corrosion study revealed that the corrosion resistance of heat-treated samples was better than the as-sprayed coatings samples. The intensity of XRD peaks of all coatings increased after 24h immersion in HBSS for the electrochemical test in comparison to the intensity of peaks before the corrosion test.

Keywords: Hydroxyapatite; vacuum plasma spray; corrosion behavior; bond coat; Ti–6Al–4V (search for similar items in EconPapers)
Date: 2025
References: Add references at CitEc
Citations:

Downloads: (external link)
http://www.worldscientific.com/doi/abs/10.1142/S0218625X21410031
Access to full text is restricted to subscribers

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:wsi:srlxxx:v:32:y:2025:i:04:n:s0218625x21410031

Ordering information: This journal article can be ordered from

DOI: 10.1142/S0218625X21410031

Access Statistics for this article

Surface Review and Letters (SRL) is currently edited by S Y Tong

More articles in Surface Review and Letters (SRL) from World Scientific Publishing Co. Pte. Ltd.
Bibliographic data for series maintained by Tai Tone Lim ().