- Titanium Alloys Microstructure and Properties
- Advanced materials and composites
- Orthopaedic implants and arthroplasty
- Metal and Thin Film Mechanics
- Adsorption and biosorption for pollutant removal
- Surfactants and Colloidal Systems
- Hydrogen embrittlement and corrosion behaviors in metals
- Advanced ceramic materials synthesis
- Environmental Chemistry and Analysis
- Aluminum Alloys Composites Properties
- Microwave Dielectric Ceramics Synthesis
- Minerals Flotation and Separation Techniques
- MXene and MAX Phase Materials
- Recycling and Waste Management Techniques
- Microstructure and Mechanical Properties of Steels
- Enhanced Oil Recovery Techniques
- Clay minerals and soil interactions
- Fluoride Effects and Removal
- Heavy metals in environment
- Welding Techniques and Residual Stresses
- Bone Tissue Engineering Materials
- Analytical chemistry methods development
- Water Quality Monitoring and Analysis
- Ferroelectric and Piezoelectric Materials
- Geochemistry and Geologic Mapping
Abbès Laghrour University of Khenchela
2018-2024
With its unique corrosion resistance, light weight, mechanical strength, and biocompatibility, TNZ is a versatile metal alloy that used in the aerospace medical industries. The current study aims to investigate effect of milling time (2, 12, 24, 36 h) on nanostructured ternary Ti-25Nb-25Zr (TNZ) prepared by high energy ball milling, process involving use high-energy mill mix grind powders, structural, physical, photocatalytic characterizations. alloys' characteristics, such as morphology,...
The influence of milling time on the tribological behavior a Co–Cr–Mo alloy designed for biomedical applications, synthesized via mechanical alloying is investigated. Elemental Co, Cr and Mo powders are milled using different times (2, 6, 12 18 h) in high-energy ball mill. resulting were subjected to cold uniaxial hot isostatic pressing respectively, followed by sintering obtain cylindrical samples, which evaluated their structural, wear behavior. Results showed that grain crystallite sizes...
Abstract The main focus of this work is to investigate the impact varying milling times (2 18 h) on structural and mechanical properties developed Ti-Nb-Mo alloy. morphology, phase composition, microstructure, behavior milled sintered Ti-25Nb-25Mo alloy samples were characterized systematically using x-ray diffraction, scanning electron microscope, optical Vicker microhardness. It was noted that quantity β-Ti increased as time increased. After 12 h milling, synthesized alloys exhibited a...
In this work was prepared α-Al2O3 alloys from laboratory aluminum oxide powder that milled for different periods of time and sintered at a temperature 1450 °C. The difference between the samples studied using several experimental measurement techniques, including X-ray diffraction, scanning electron microscopy physical mechanical properties. Moreover, effect milling on formation sintering alpha-alumina, by mixture times high energy crushing technique studied. An influence density, open...
In order to create alloys with exceptional properties for orthopedic uses, this study focuses on the impact of zirconium (Zr) content structural, electrochemical, and tribological qualities nanostructured Ti–25Nb-xZr [x = 5, 10, 15, 20, 25, 30 atomic (at.) %] alloys. The structural evolution was investigated using XRD SEM techniques. mechanical characteristics produced alloys, including Vickers hardness Young's modulus, were measured. addition, corrosion tests performed OCP, EIS, PD methods...
Titanium alloys are in demand for various biomedical applications and the most popular among them being, Ti–6Al–4V. Hence, this study, Ti–6Al–7Nb fabricated through route of mechanical milling using different sintering temperatures. X-ray diffraction hardness tests were conducted to characterize developed sams evaluate effect temperatures on structural properties. It is observed that sintered at a temperature 1250 °C had smallest crystallite pore size, with enhanced relative density...
This work aim to investigate the effect of sintering temperature (950 1250 °C) on structural, physical, tribological properties nanobiomaterial Co28Cr6Mo alloy for total hip prosthesis obtained by high Energy ball milled. Several techniques such as density, porosity, microhardness, and Young's modulus were used assess mechanical physical characteristics. Tribological behavior conducted using a ball-on-plate type Oscillating tribometer, under different applied loads (2, 10 20 N), wet...
Implant-related follow up complications resulting from poor implant integration, delamination, chipping, mechanical instability, inflammation or graft-vs-host reaction may lead to low patient tolerance, prolonged care and sometimes leading a second surgery. Hence, there is an urgent need for developing biomaterials which will help overcome the above compatibility problems. Ti based alloys have been widely used biomedical applications, due their excellent properties, such as modulus, high...
The aim of the current study is to evaluate effect iron content (0, 2, 4, 6 and 10 wt.%) on structural, tribological photocatalytical properties a nanostructured ternary alloy Ti-6Al-XFe, prepared by high energy milling. alloys' characteristics such as lattice parameters, powder morphologies, surface roughness, relative density/porosity, microhardness, were evaluated using X-ray diffraction (XRD), scanning electron microscope (SEM), profilometry, porosimeter micro durometer, respectively....
Titanium (Ti)-based alloys with only a β-phase have attracted academic and industrial interest for orthopedic application, due to their close properties those of tissues. The current study aims investigate the effect milling time (2 h, 6 12 h 18 h) on nanostructured ternary alloy Ti-25Nb-25Zr prepared by high energy milling, its structural, physical tribological behaviors. alloys' characteristics such as relative density/porosity, surface roughness, were evaluated using XRD, SEM,...
Low modulus β-type Ti-15Nb alloys were prepared by subjecting them to different sintering temperatures (800, 900, 1000 and 1100 °C) their morphological structural properties evaluated. X-ray diffraction analysis was used for the characterization which indicated that mean pore crystallite size continuously decreased with increasing temperature reach lowest values of 41 nm 27.5 at °C, respectively. Moreover, higher resulted in relative density, greater hardness young’s alloys. Wear tests...