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Coatings, Volume 15, Issue 6

June 2025 - 117 articles

Cover Story: Laser engraving is a widely adopted technique for bamboo, yet no standard roughness parameter exists for evaluating surface texture. This study systematically analyzes conventional 2D roughness parameters—commonly used for metals—to assess bamboo surfaces engraved with a pulsed laser (450 nm; 5.5 W) under varying speed and power settings. Using calibrated equipment, we identified the most suitable parameters for accurately characterizing the engraved texture. Unlike previous studies limited by specific materials or laser conditions, we propose two robust 2D parameters—particularly Rz—as reliable indicators of engraving quality across diverse materials and laser setups, enabling consistent, single-measurement evaluations. View this paper
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Articles (117)

  • Article
  • Open Access
4,331 Views
31 Pages

Influence of Alkaline Activator Properties on Corrosion Mechanisms and Durability of Steel Reinforcement in Geopolymer Binders

  • Mihail Chira,
  • Adrian-Victor Lăzărescu,
  • Andreea Hegyi,
  • Horatiu Vermesan,
  • Alexandra Csapai,
  • Bradut Alexandru Ionescu,
  • Tudor Panfil Toader and
  • Carmen Florean

19 June 2025

The durability of steel reinforcement in geopolymer composites is significantly influenced by the chemical characteristics of the alkaline medium in which they are embedded. This research offers detailed insights into the corrosion kinetics and mecha...

  • Article
  • Open Access
1,014 Views
13 Pages

19 June 2025

This study investigates the hydrothermal synthesis of calcium silicate hydrate (C-S-H) from photovoltaic (PV) waste glass and carbide sludge as a strategy for resource recovery and sustainable chromium removal from wastewater. Waste-derived precursor...

  • Article
  • Open Access
857 Views
15 Pages

19 June 2025

Magnesium alloy stents exhibit significant potential in the treatment of cardiovascular and cerebrovascular diseases due to their remarkable mechanical support and biodegradability. However, bare magnesium alloy stents often degrade too quickly and e...

  • Article
  • Open Access
1 Citations
839 Views
11 Pages

Annealing Treatment of Al2CoCrFeNi High-Entropy Alloys: Synergistic Effect of Microstructure Modulation on Mechanical and Thermoelectric Properties

  • Jiayi Xu,
  • Lequn Kan,
  • Hao Li,
  • Xiaoke Gao,
  • Wei Zhang,
  • Wei Wei,
  • Xiangkui Liu,
  • Wenfeng Yang,
  • Wenwen Sun and
  • Xulong An

19 June 2025

This study synthesized Al2CoCrFeNi high-entropy alloy (HEA) using spark plasma sintering (SPS) followed by annealing treatment. The effects of heat treatment on the microstructure, mechanical properties, wear resistance, and thermoelectric properties...

  • Article
  • Open Access
3 Citations
1,188 Views
19 Pages

Surface Characteristics of TiO2 Coatings Formed by Micro-Arc Oxidation in Ti-25Ta-xNb Alloys: The Influence of Microstructure and Applied Voltage

  • Fernanda de Freitas Quadros,
  • Diego Rafael Nespeque Corrêa,
  • Marco Fosca,
  • Marco Ortenzi,
  • Olga N. Plakhotnaia,
  • Carlos Roberto Grandini and
  • Julietta V. Rau

19 June 2025

Due to their excellent mechanical properties and good biocompatibility, titanium (Ti) and its alloys are widely used as biomaterials. However, when implanted in the body, metallic materials may cause serious complications such as wear and infection,...

  • Article
  • Open Access
996 Views
14 Pages

18 June 2025

A critical barrier to the clinical translation of biodegradable magnesium (Mg)-based materials lies in their rapid degradation rate in physiological environment, which leads to premature structural failure and compromised cytocompatibility. Micro-arc...

  • Article
  • Open Access
1 Citations
1,082 Views
21 Pages

Octahedral Fe3O4 Nanozymes Penetrate and Remove Biofilms on Implants via Photomagnetic Response

  • Xingpu Yin,
  • Bo Zhao,
  • Lu Chen,
  • Xuan Di,
  • Baoe Li,
  • Hongshui Wang,
  • Donghui Wang and
  • Chunyong Liang

18 June 2025

Dental implant papilla (DIP) is susceptible to bacterial adhesion and biofilm formation, and oral pathogenic biofilms can cause persistent oral infections. Enrichment of bacterial biofilms on implants can lead to soft tissue irritation and adjacent b...

  • Article
  • Open Access
1 Citations
1,296 Views
11 Pages

Poly(Methyl Methacrylate)-Based Core-Shell Electrospun Fibers: Structural and Morphological Analysis

  • Ivana Stajcic,
  • Vesna Radojevic,
  • Zorica Lazarevic,
  • Milica Curcic,
  • Branka Hadzic,
  • Aleksandar Kojovic and
  • Aleksandar Stajcic

18 June 2025

Dicyclopentadiene (DCPD)–poly(methyl methacrylate) (PMMA) core–shell fibers were fabricated via coaxial electrospinning to develop a self-healing polymer composite. A PMMA shell containing a first-generation Grubbs catalyst was co-spun wi...

  • Article
  • Open Access
1 Citations
1,950 Views
14 Pages

18 June 2025

Fresh-cut potatoes are highly perishable, requiring effective preservation strategies to maintain quality and extend shelf life. This study evaluated the use of edible coatings and the combination of osmotic dehydration and ohmic heating (OH-OD), bot...

  • Article
  • Open Access
1 Citations
1,167 Views
24 Pages

Classification and Prediction of Unknown Thermal Barrier Coating Thickness Based on Hybrid Machine Learning and Terahertz Nondestructive Characterization

  • Zhou Xu,
  • Jianfei Xu,
  • Yiwen Wu,
  • Changdong Yin,
  • Suqin Chen,
  • Qiang Liu,
  • Xin Ge,
  • Luanfei Wan and
  • Dongdong Ye

17 June 2025

Thickness inspection of thermal barrier coatings is crucial to safeguard the reliability of high-temperature components of aero-engines, but traditional destructive inspection methods are difficult to meet the demand for rapid assessment in the field...

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Coatings - ISSN 2079-6412