Corneliu Munteanu
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View article: Use of Thermal Coatings to Improve the Durability of Working Tools in Agricultural Tillage Machinery: A Review
Use of Thermal Coatings to Improve the Durability of Working Tools in Agricultural Tillage Machinery: A Review Open
This article presents an in-depth analysis of the application of thermal deposition techniques, in particular thermal spraying, to improve the properties of materials used in agricultural components that work the soil, such as agricultural…
View article: Field Performance and Wear Behavior of Atmospheric Plasma Spraying (APS) Coated Discs Used in Agricultural Disc Harrows
Field Performance and Wear Behavior of Atmospheric Plasma Spraying (APS) Coated Discs Used in Agricultural Disc Harrows Open
The wear performance of coated and uncoated harrow discs was evaluated under real agricultural field conditions in order to assess the long-term effectiveness of three atmospheric plasma spraying (APS) systems: a Cr2O3–SiO2–TiO2 ceramic co…
View article: Explicit FEM Analysis of Soil–Disc Interaction for APS-Coated Notched Harrow Discs in Representative Agricultural Soils
Explicit FEM Analysis of Soil–Disc Interaction for APS-Coated Notched Harrow Discs in Representative Agricultural Soils Open
The present work develops an explicit dynamic finite element model of soil–disc interaction for a notched harrow disc, aiming to quantify how APS coatings, soil type and disc–soil friction influence stresses in the disc and surrounding soi…
View article: Resulted Mechanical and Microstructural Properties of Ballistic Protection Materials for Bulletproof Vest Applications Using Plasma Jet Thermal Spray Coatings
Resulted Mechanical and Microstructural Properties of Ballistic Protection Materials for Bulletproof Vest Applications Using Plasma Jet Thermal Spray Coatings Open
This paper addresses ballistic protection, which is an important element in the performance of any military equipment. Improving ballistic properties is a necessity for individual protection through the use of protective vests. In this stu…
View article: Structure and Mechanical Properties of Tubular Steel Products Processed by Cold Rotary Swaging
Structure and Mechanical Properties of Tubular Steel Products Processed by Cold Rotary Swaging Open
Rotary swaging (RS) is applied for the manufacturing of bars, stepped shafts, tubes with complex internal profiles, bimetallic composites, and similar products. This process falls under the category of severe plastic deformation (SPD) meth…
View article: Mg-Ca-Sr Biodegradable Alloys for Medical Applications: Production, Biomaterials’ Properties Characterization, and In Vitro and In Vivo Biocompatibility Evaluation
Mg-Ca-Sr Biodegradable Alloys for Medical Applications: Production, Biomaterials’ Properties Characterization, and In Vitro and In Vivo Biocompatibility Evaluation Open
The research of biomaterials is an area of significant interest in the biomedical field, and the present study investigates how the strontium (Sr) concentration influences the microstructure, corrosion resistance, and both in vitro and in …
View article: Clays as Dual-Function Materials for TNT Adsorption and Catalytic Degradation: An Experimental Approach
Clays as Dual-Function Materials for TNT Adsorption and Catalytic Degradation: An Experimental Approach Open
This study explores the adsorption and catalytic degradation of 2,4,6-trinitrotoluene (TNT) from aqueous solutions, using montmorillonite-based catalysts. Commercially, montmorillonite K10 was modified through aluminum pillaring (K10-Al-PI…
View article: The Influence of Zn and Ca Addition on the Microstructure, Mechanical Properties, Cytocompatibility, and Electrochemical Behavior of WE43 Alloy Intended for Orthopedic Applications
The Influence of Zn and Ca Addition on the Microstructure, Mechanical Properties, Cytocompatibility, and Electrochemical Behavior of WE43 Alloy Intended for Orthopedic Applications Open
Background and Objectives: Magnesium (Mg)-based materials, such as the WE43 alloy, show potential in biomedical applications owing to their advantageous mechanical properties and biodegradability; however, their quick corrosion rate and hy…
View article: Innovation in the Use of Recycled and Heat-Treated Glass in Various Applications: Mechanical and Chemical Properties
Innovation in the Use of Recycled and Heat-Treated Glass in Various Applications: Mechanical and Chemical Properties Open
By decreasing manufacturing costs for different civic purposes, glass recycling is an economically significant technology that also helps conserve natural resources and mitigates environmental problems. Throughout the recycling process, th…
View article: A Comprehensive Review of Improving the Durability Properties of Agricultural Harrow Discs by Atmospheric Plasma Spraying (APS)
A Comprehensive Review of Improving the Durability Properties of Agricultural Harrow Discs by Atmospheric Plasma Spraying (APS) Open
This paper presents a comprehensive analysis of recent advancements in the application of thermal spraying techniques to enhance the durability and wear resistance of agricultural machinery components, with a particular focus on disc harro…
View article: The Influence of Ca on Mechanical Properties of the Mg–Ca–Zn–RE–Zr Alloy for Orthopedic Applications
The Influence of Ca on Mechanical Properties of the Mg–Ca–Zn–RE–Zr Alloy for Orthopedic Applications Open
Background: This study examined how the concentration of calcium (Ca) influences the microstructure, mechanical characteristics, and tribological attributes of Mg–Ca–Zn–RE–Zr alloys for orthopedic medicine. Materials and methods: Experimen…
View article: Increasing the Mechanical Characteristics of the Disc Harrow Component by APS Thermal Coatings
Increasing the Mechanical Characteristics of the Disc Harrow Component by APS Thermal Coatings Open
This paper presents a comparative analysis of three coating types—W2C/WC12Co (Metco71NS), Cr2O3-4SiO2-3TiO (Metco136F), and Co25.5Cr10.5Ni7.5W0.5C (Metco45C-NS)—applied to disc harrow components, focusing on their microstructural and tribo…
View article: Assessment of the Corrosion Resistance of Thermal Barrier Coatings on Internal Combustion Engine Components
Assessment of the Corrosion Resistance of Thermal Barrier Coatings on Internal Combustion Engine Components Open
Thermal barrier coatings (TBCs) can be applied on the inner surface of the combustion chamber of internal combustion engines to reduce fuel consumption and pollution and also improve the fatigue life of their components. The purpose of the…
View article: Characterization of ceramic coatings with thermal barrier role obtained by atmospheric plasma jet spraying
Characterization of ceramic coatings with thermal barrier role obtained by atmospheric plasma jet spraying Open
This paper presents the characterization of ceramic thermal barrier coatings (TBCs) obtained by atmospheric plasma spraying (APS), focusing on their functional, structural, and chemical performance under extreme thermal conditions. The stu…
View article: Cold Spray Coatings Morphology
Cold Spray Coatings Morphology Open
In the Cold Spraying technology, the coatings are produced as a result of the supersonic acceleration of the particles in a gas jet, at temperatures below the melting/phase transformation point of the sprayed material. In this paper, the m…
View article: The Potential of Polymers and Glass to Enhance Hydrogen Storage Capacity: A Mathematical Approach
The Potential of Polymers and Glass to Enhance Hydrogen Storage Capacity: A Mathematical Approach Open
This manuscript contributes to understanding the role of hydrogen in different materials, emphasizing polymers and composite materials, to increase hydrogen storage capacity in those materials. Hydrogen storage is critical in advancing and…
View article: Improvement of the mechanical and microstructural properties of the materials used for armour by surface deposition using the Cold Spray method
Improvement of the mechanical and microstructural properties of the materials used for armour by surface deposition using the Cold Spray method Open
Superficial depositions gain interest in various industries due to the significant improvement of the properties of the base material that is subjected to superficial depositions. The deposits can be made both in the technological process …
View article: A New Method for Compression Testing of Reinforced Polymers
A New Method for Compression Testing of Reinforced Polymers Open
Compressive testing of specimens taken from relatively thin composite plates is difficult, especially due to the occurrence of buckling. To prevent buckling, the central portion of the specimens used for the compression test has smaller di…
View article: Influence of TiO2 Alloying Percentage on the Morphology of APS-deposited Coatings from Cr2O3 Powders
Influence of TiO2 Alloying Percentage on the Morphology of APS-deposited Coatings from Cr2O3 Powders Open
In this paper we studied how alloying with different percentages of TiO2 influences the microstructure of Cr2O3 base matrix coatings deposited by plasma spray (APS). Thus, five different types of coatings were made, in which the percentage…
View article: Maximizing Onboard Hydrogen Storage Capacity by Exploring High-Strength Novel Materials Using a Mathematical Approach
Maximizing Onboard Hydrogen Storage Capacity by Exploring High-Strength Novel Materials Using a Mathematical Approach Open
Hydrogen fuel holds promise for clean energy solutions, particularly in onboard applications such as fuel cell vehicles. However, the development of efficient hydrogen storage systems remains a critical challenge. This study addresses this…
View article: Influence of the Plastic Deformation Process on the Residual Stresses and Hardness of an Al-5Mg Alloy
Influence of the Plastic Deformation Process on the Residual Stresses and Hardness of an Al-5Mg Alloy Open
The service behavior of ductile metallic materials, when they have previously undergone technological plastic deformation, depends on the deformation conditions. These are represented, among others, by the deformation rate, the process tem…
View article: Influence of Corrosion on Thermo-Mechanical Contact Fatigue in Rolling Conditions with Low Amplitude Sliding
Influence of Corrosion on Thermo-Mechanical Contact Fatigue in Rolling Conditions with Low Amplitude Sliding Open
The paper presents some aspects concerning mechanical contact fatigue and corrosion wear and the links of these two kinds of wear in the common deterioration of the contact layer. The surface state, for both presented areas, is analyzed us…
View article: In Vitro and In Vivo Analysis of the Mg-Ca-Zn Biodegradable Alloys
In Vitro and In Vivo Analysis of the Mg-Ca-Zn Biodegradable Alloys Open
The objective of this work was to analyze the in vitro and in vivo tests of a novel Mg-based biodegradable alloy—Mg-0.5%Ca—with various amounts of Zn (0.5, 1, 1.5, 2.0, and 3.0 wt.%). In terms of in vitro biocompatibility, MTT and Calcein-…
View article: Usage of Thermal Coatings for the Improvement of Material Properties for Ballistic Protection in the Military Field. A Review
Usage of Thermal Coatings for the Improvement of Material Properties for Ballistic Protection in the Military Field. A Review Open
In this review, the impact on the ballistic protection properties for some materials used in the military field was analysed, in relation to the improvement of mechanical and microstructural properties. The main objective was the ballistic…
View article: The Influence of Cyclic Thermal Shocks at High Temperatures on the Microstructure, Hardness and Thermal Diffusivity of the Rene 41 Alloy
The Influence of Cyclic Thermal Shocks at High Temperatures on the Microstructure, Hardness and Thermal Diffusivity of the Rene 41 Alloy Open
The precipitation-hardenable nickel-based superalloy Rene 41 exhibits remarkable mechanical characteristics and high corrosion resistance at high temperatures, properties that allow it to be used in high-end applications. This research pap…
View article: Considerations on the Failure Mechanisms at Fatigue Loading of 1018 Steel Samples Coated with Wip-C1 by Cold Spray
Considerations on the Failure Mechanisms at Fatigue Loading of 1018 Steel Samples Coated with Wip-C1 by Cold Spray Open
There are some important advantages presented by metal specimens coated with WIP-C1 (Ni/CrC)-type materials. However, given the coating methods and the stress under dynamic loads, there are issues that need to be taken into account, partic…
View article: Influence of deposition technology on the morphology of chromium carbide-based powder coatings
Influence of deposition technology on the morphology of chromium carbide-based powder coatings Open
Chromium carbide powders are widely used for thermal spray coatings because these hard particles provide improvements of mechanical properties, mainly wear resistance, on the surfaces on which they are deposited. The integration of chromiu…
View article: Modern Surface Deposition Methods for Improving the Properties of Materials
Modern Surface Deposition Methods for Improving the Properties of Materials Open
This study presents the most current research in the field of materials science and engineering aimed at improving the properties of materials through surface deposition. Thermal deposition methods are intended to create superficial layers…
View article: Evaluation of the Wear Properties and Corrosion Resistance of 52100 Steel Coated with Ni/CrC by Cold Spraying
Evaluation of the Wear Properties and Corrosion Resistance of 52100 Steel Coated with Ni/CrC by Cold Spraying Open
Coatings deposited by the cold particle gas spray method have shown significant potential for enhancing the properties of metals. We investigated the wear characteristics and corrosion behavior of 52100 steel coated with a mixture of Ni/ch…