Hydroxyapatite from natural sources for medical applications

LM Cursaru, M Iota, RM Piticescu, D Tarnita, SV Savu… - Materials, 2022 - mdpi.com
The aim of this work is to study the physical-chemical, mechanical, and biocompatible
properties of hydroxyapatite obtained by hydrothermal synthesis, at relatively low …

Reducing NOx emissions through microwave heating of aftertreatment systems for sustainable transport in the inland waterway sector

SV Savu, RC Marin, A David, AB Olei, I Dumitru… - Sustainability, 2022 - mdpi.com
The inland navigation sector makes a significant contribution to the growth of the global
economy as well as to climate change due to pollutants emitted by diesel engines. NOx …

[HTML][HTML] Microwave Hybrid Sintering and Soldering of Cu-Cr-W Composite Material for Reactive Power Breakers

SV Savu, CD Ghelsingher, I Ștefan, NA Sîrbu… - Materials, 2024 - mdpi.com
Over 60% of reported failures for reactive power compensation systems are given for
damage to electrical circuit breaker contacts. This paper presents a study on the …

Improving the Power Efficiency of a Microwave Plasma Source by Using the Principle of a Variable-Impedance Waveguide

T Thosdeekoraphat, S Kotchapradit, W Bunpradit… - Energies, 2024 - mdpi.com
Microwave plasma sources are used in various applications, but inefficiency can limit their
usefulness. Researchers have investigated a new approach with which to improve efficiency …

Synthesis of Carbon Nanotubes by Microwave Method: Mathematical Modeling and Practical Implementation

AV Shchegolkov, AA Babaev, AV Shchegolkov… - … of Chemical Engineering, 2025 - Springer
The article presents the synthesis of carbon nanotubes (CNT), which are intended to obtain
functional properties in polymer composites. One of these functional properties of polymer …

Microwave Soldering of Low-Resistance Conductive Joints—Technical and Economic Aspects

SV Savu, CD Ghelsingher, I Stefan, NA Sîrbu… - Materials, 2023 - mdpi.com
Soldering processes are applied in the fabrication of electronic circuits used in most modern
domestic and industrial technologies. This article aims to introduce a new soldering …

[PDF][PDF] Hydroxyapatite from Natural Sources for Medical Applications. Materials 2022, 15, 5091

LM Cursaru, M Iota, RM Piticescu, D Tarnita, SV Savu… - 2022 - academia.edu
The aim of this work is to study the physical-chemical, mechanical, and biocompatible
properties of hydroxyapatite obtained by hydrothermal synthesis, at relatively low …

IMPACT OF PLANETARY BALL MILLING PARAMETERS ON THE PARTICLE SIZE OF TIB2 POWDERS

I ȘTEFAN, GC BENGA, ID SAVU… - ACTA TECHNICA …, 2022 - atna-mam.utcluj.ro
Titanium diboride (TiB 2) is a hard compound with good strength at elevated temperatures.
The experimental activities, presented in this paper, were aimed to develop some TiB 2 …

SPECIFIC ASPECTS IN USING SEASHELL POWDER (RAPANA THOMASIANA) IN ELABORATION OF COMPOSITES FOR MEDICAL PURPOSES

I ȘTEFAN, D TARNIȚĂ, IG BUCȘE… - ACTA TECHNICA …, 2022 - atna-mam.utcluj.ro
Rapana Thomasiana (RT) seashell is an important source of natural calcium carbonate that
can be used to produce composites dedicated to medical purposes. Cracking processes …

MICROWAVE HEATING OF COMPOSITE MATERIAL REINFORCED WITH NATURAL CERAMICS–TECHNICAL AND ECONOMICAL ASPECTS

CD GHELSINGHER, D SIMION… - ACTA TECHNICA …, 2022 - atna-mam.utcluj.ro
The present paper proposes the realization of some researches related to microwave
heating of composite material based on Fe97. 5% Gr0. 5% Cu2% reinforced with natural …