Mamoun Fellah

Abbes Laghrour - Khenchela University · Mechanical Engineering Department

The present proceedings contain papers presented at the 1st National Conference on Materials Science and Engineering (MSE’22), held in Abbes Laghrour University, Khenchela – Algeria, June 28 - June 29, 2022. The purpose of the conference is to provide a comprehensive forum for experts and participants from academia and Industry to exchange ideas an...

To purify water at low cost for our daily life, the effect of ceramic-based (mullite–cristobalite) and (mullite–zircon) powders doped with different amounts of magnesium oxide (MgO) (10 and 20 wt%) was studied. These compounds are made of a local raw material DD3 with addition of zirconia (ZrO 2 ) to create an open porosity. The powders were prepar...

In this work, copper and zirconium were added into the Ti(Al)N matrix to form deposited on TiAl(Cu, Zr)N coating using RF magnetron sputtering system in order to improve the mechanical, wear performance, and antibacterial activity. Results revealed that the TiAl(Cu, Zr)N coatings have a dense structure with (111) preferential orientation. The depos...

This conference aims and dedicates itself to providing networking possibilities for researchers, scientists, engineers and scholars to share their experience, original ideas and innovative research in the fields of Materials Science and Technology, the state-of-the-art methodologies and technologies within materials, Chemical Engineering and Proces...

Titanium alloys are in demand for various biomedical applications and the most popular among them being, Ti-6Al-4V. Hence, in this study, Ti-6Al-7Nb are fabricated through the route of mechanical milling using different sintering temperatures. X-ray diffraction and hardness tests were conducted to characterize the developed samples to evaluate the...

TiZrN thin films were deposited on Si (100) wafers and XC100 steel substrates by reactive R.f. magnetron sputtering using titanium and zirconium targets in an Ar-N2 mixture atmosphere to evaluate the effect of varying Zr content (0 to 22.2 at.%), on the film structure, surface wettability, hardness and wear resistance. The presence of different pha...

Magnetron sputtering is one of the most commonly used deposition techniques, which has received considerable attention in industrial applications. In particular, owing to its compatibility with conventional fabrication processes, it can produce and fabricate high-quality dense thin films of a wide range of materials. In the present study, nitrogen...

Structural and tribo-mechanical properties of Zr-O-N films deposited by reactive magnetron sputtering in a mixture of Ar (flow rate = 80 sccm), N2 (flow rate = 20 sccm) and O2 with a varying flow rate of 0 to 12 sccm were investigated. The films were characterized using scanning electron microscopy, energy dispersive x-ray analysis, atomic force mi...

This research aims to complement and enhance the understanding of friction and wear behavior of AA7075 and CuZn39Pb2 under different conditions. One set of experiments were conducted under the laboratory conditions, simulating an ideal case using a ball-on-disc configuration, while the other set of experiments were conducted under the actual field...

Replacement of toxic and expensive vanadium (V) in medical grade titanium alloys with cheaper and non-toxic elements such as iron (Fe) or niobium (Nb), is an important step forward in developing safer and less expensive biomaterials. Evaluating the effect of different process parameters such as the milling time on the properties of these newly deve...

Ti-alloys are widely used in biomedical devices and components, due to their desirable properties, such as low modulus, biocompatibility and corrosion resistance. Microstructural modification is often performed in order to improve physical, mechanical and tribological properties. This study aims to examine the effect of Nb content on mechanical and...

Surfactants are widely used in many chemical industries and as primary components of cleaning detergents due to their specific characteristics,which in turn results in high pollution of domestic and industrialwastewaters by such substances. In this study, the mechanistic pathways of the adsorption of cationic benzyl-dimethyl-dodecyl ammoniumbromide...

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 to a second surgery. Hence, there is an urgent need for developing biomaterials which will help to overcome th...

An artificial neural network (ANN) model was developed to predict tensile and impact properties of a submerged arc helical welded (SAHW) pipeline steel API X70 based upon its chemical composition. Weight percent of the elements was considered as the input, while the tensile and Charpy impact properties were considered as the outputs. Scatter diagra...

Certificate of review journal of Transactions of Nonferrous Metals Society of China

Nanocrystalline Cr50Ni50 material was obtained by high-energy ball milling from pure Cr and Ni powders in a planetary ball-mill P7 under argon atmosphere at ambient temperature. Microstructural, structural, morphological, magnetic, and densification properties were studied by X-ray diffraction, scanning electron microscopy, magnetic measurements, a...

review

Ti–Ni powder compacts were prepared by Mechanical alloying (MA), followed by hot isostatic pressing (HIP). Afterwards, the samples were sintered at different temperatures (950, 1050, 1150 and 1250 °C). Microhardness, density, crystallite size as well as microstrain of the sintered samples were measured and analyzed. Wear characteristics in phosphat...

Hexavalent chromium pollution from industrial waste water is a serious problem as it can cause adverse effects on the environment. Several methods are used to reduce the harmful effects of this pollutant, especially physico-chemical methods, such as Adsorption technology. The present study Preparation of Cr (VI) solution) from industrial sources in...

The effect of sintering temperature (1073−1373 K) on the structural and tribological properties of nanostructured ball- milled β-type Ti−15Mo samples was investigated. The prepared samples were characterized using various apperatus such as X-ray diffractometer, scanning electron microscope (SEM) and ball-on-plate type oscillating tribometer. Wear t...

WC-Co cemented carbide is one of the widely hard materials used for cutting in machining industry, due to its microstructural and mechanical stability even at high temperature. However, diffusion wear is the most serious problem that WC-Co suffers from. One of the most applied approaches to improve the WC–Co cemented carbide performances is the add...

Low modulus β-type Ti-15Nb alloys were prepared by subjecting them to different sintering temperatures (800, 900, 1000 and 1100 °C) and their morphological and structural properties were evaluated. X-ray diffraction analysis was used for the morphological characterization which indicated that the mean pore and crystallite size continuously decrease...

Nanostructured Ti80Ni20 material was elaborated by mechanical alloying from pure Ti and Ni powders in a planetary ball-mill P7 under argon atmosphere at ambient temperature. Morphological, microstructural, magnetic, and nanoindentation properties were studied using scanning electron microscopy, X-ray diffraction, magnetic measurements, and nanoinde...

Low modulus β-type Ti-15Nb alloys were prepared by subjecting them to different sintering temperatures (800, 900, 1000 and 1100 °C) and their morphological and structural properties were evaluated. X-ray diffraction analysis was used for the morphological characterization which indicated that the mean pore and crystallite size continuously decrease...

The bio-tribocorrosion behavior of newly developed near β-types Ti-15Nb and Ti-15Mo alloys was investigated in Phosphate-Buffered Saline (PBS) under different loads. Open-Circuit Potential (OCP), friction coefficient, wear volume and wear rate were evaluated. The results revealed that Ti-15Nb alloy exhibited lower wear rate, lower friction coeffici...

The aim of this study was to investigate the influence of thermo-cyclic treatments on the mechanical characteristics (Hardness and Resilience) of low-alloy 42CD4 steel. Thermocyclic treatment on 42CD4 steel was operated for four cycles at 850 °C for 30 min. After each cycle, the steel sample was cooled in different medium (open air and water) in or...

Aiming to develop alloys with better properties for orthopedic applications, the focus of the present research was to evaluate the effect of Mo at.% content on structural, mechanical, and tribological properties of hot isostatically pressed Ti-xMo (x = 4, 8, 12, 15, and 20 at.%) alloys. The structural evolution, mechanical properties, and tribologi...

The hydrophilic-hydrophobic surface area of alumina powder (Al 2 O 3 ) oxidized at different temperatures was determined on the base of adsorption of water and butane vapor at 25°C. In the order to study the influence of thermal oxidation upon hydrophilic/hydrophobic character of the surface, samples of Al 2 O 3 were characterized using granulometr...

This Certificate is granted only in the case if the above-mentioned person has actually carried out a scientific review of at least one manuscript for the named journal(s) and a person has the official registration as a reviewer at the publishing house.

THIS CERTIFICATE IS AWARDED TO WE HEREBY NOTIFY THAT THE PERSON ABOVE HAS BEEN SERVING AS A REVIEWER OF JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B: APPLIED BIOMATERIALS. WE ARE GRATEFUL TO FELLAH MAMOUN FOR REVIEWING MANUSCRIPTS IN 2018. Editor-in-Chief

This study aims to assess mechanical properties of submerged arc welded, high-strength, line pipe steel API X70. The obtained weldment as well as the base metal were assessed for strength, ductility, hardness, toughness and weldability. Results showed that the fusion zone presented the highest hardness and the lowest impact strength due to the as-d...

Chromium nitrides were deposited by RF reactive magnetron sputtering from a Cr target on high carbon steel substrates XC100 (1.17 wt% carbon) in a N2 and Ar gas mixture. In order to investigate the formation of chromium nitrides, carbide and carbonitride compounds were subjected to vacuum annealing treatment for 1 h at various temperatures ranging...

The structural and mechanical properties of the nanostructured alpha-alumina (α-Al2O3) compact powders, formed by calcination of aluminum hydroxide (Al2(OH)6) gibbsite at different temperatures (100–1100 °C), followed by uniaxial pressing and subsequently hot isostatically pressed (HIP), were investigated using X-ray diffraction, scanning electron...

Chromium nitrides were deposited by RF reactive magnetron sputtering from a Cr target on high carbon steel substrates XC100 (1.17 wt% carbon) in a N2 and Ar gas mixture. In order to investigate the formation of chromium nitrides, carbide and carbonitride compounds were subjected to vacuum annealing treatment for 1 h at various temperatures ranging...

The focus of the present research is to evaluate the friction and wear behavior of two biomaterials alloys for total hip prostheses use, SSAISI 316L and a+b type titaniumalloy (Ti-6Al-7Nb).A ball on-disk tribometer (TRIBOtester) was used for tribological tests under wet condition using physiological solution (Hank’s solution) according to the ASTM...

The focus of the present research is to evaluate the friction and wear behavior of two biomaterials alloys for total hip prostheses use, SS AISI 316L and α + β type titanium alloy (Ti-6Al-7Nb). A ball-on-disk tribometer (TRIBOtester) was used for tribological tests under wet condition using physiological solution (Hank’s solution) according to the...

The purpose of this study is to compare the effectiveness of a natural and / or modified kaolinite to adsorb chromium-containing aqueous effluents in its most toxic form (the hexavalent chromate ion (Cr (VI)). Adsorbant used in the present study is a kaolinite of hydrothermal origin. The modified kaolinite has been prepared by insertion of a cation...

CrVN coatings between 10 and 26 at.-% V were prepared by PVD to investigate the effect of V on the properties of CrN system. The films were analysed using, DRX, X microanalysis, AFM SEM, scratch, tribometer and nanoindentation testers. The DRX spectrum shows the formation of (CrN-VN) phases and the examinations morphology show that the progressiv...

In this study, structural evolution, sliding friction and wear behavior of the nano‐sized alpha‐alumina (α‐Al2O3), synthesized by calcination of gibbsite (Al2(OH)6) at different temperatures (273‐1473 K) are reported using X‐ray diffraction (XRD), X‐ray photoelectron spectroscopy (XPS), Scanning electron microscopy (SEM) and ball‐on‐disk wear tests...

The purpose of this study is to produce Fe-2Cu-2Ni-0.7Mo-XC steels by means of the powder metallurgy at different sintering temperatures. The mechanical properties of sintered steels have recently reached a level equivalent to that of steels produced by other processes. The static and dynamic mechanical properties of parts made of sintered steel de...

Nanostructured Cr-Al-N thin film with different Al content (0 to 50 at.%) were deposited. The structural evolution and morphological changes were performed. The tribological performances were evaluated using a ball-on-disk type Oscillating tribometer. The tests were carried out under normal loads of 2, 10 and 20 N respectively. The results showed t...

In the present work, Diamond-Like Carbon (DLC) films were deposited by the Microwave Electron Cyclotron Resonance/Plasma-Assisted Chemical Vapour Deposition process on 41Cr–Al–Mo7 nitrided steel using a benzene–argon gas mixture. The quality of DLC films grown on nitrided steel using different deposit conditions such as benzene flow rate, temperatu...

In the present study, the effect of thermal treatment on the mechanical and structural properties of chromium carbide coatings with different thicknesses is evaluated. The coatings were deposited by cathodic magnetron sputtering on XC100 steel substrates. Samples were annealed in vacuum, at different temperatures ranging from 700 to 1000°C for 1 h,...

Nanostructured Cr-Zr-N thin film with different Zr content (0 to 48.8 at.%) were deposited using an RF magnetron sputtering technique. The structural evolution and morphological changes were performed. The tribological performances were evaluated using a ball-on-disk type Oscillating tribometer. The tests were carried out under normal loads of 2, 4...

The aim of the present research was focused on the study of the effect of replacing vanadium by niobium and iron on the tribological behavior of Hot Isostatic Pressed (HIPed) titanium alloy (Ti-6Al-4V) biomaterial, using a ball-on-disk type Oscillating tribometer, under wet conditions using physiological solution conditions (Ringer solution) in acc...

This study aims to examine the effect of replacing vanadium by niobium and iron on the tribological behavior of hot-isostatic-pressed titanium alloy (Ti–6Al–4V) biomaterial, using a ball-on-disk-type oscillating tribometer, under wet conditions using physiological solution in accordance with the ISO7148 standards. The tests were carried out under a...

Binary Cr-N, Zr-N and Cr-Zr-N films were synthesised using a R.F. reactive magnetron sputtering technique by co-sputtering Cr and Zr. The crystalline structure, morphology, mechanical and tribological properties of the films as a function of Zr content were characterised by X-ray diffraction, microanalysis X (WDS, EDS), X-ray photoelectron spectros...

Cr–Zr–N films have been synthesised using R.F reactive magnetron sputtering system on Si (100) wafer and XC100 steel substrate without heating. The structural, mechanical and friction coefficient evolution as a function of the Zr content were investigated by XRD, (EDS, WDS), WPS, XPS, SEM, AFM, nanoindentation, Scratch adhesion and pin-on-disc slid...

The purpose of this study is to evaluate the friction and wear behavior of high-strength titanium based alloy. Ti-5Al-2.5Fe, Ti-6Al-4Fe and Ti-6Al-7Nb obtained by high energy milling. The Oscillating friction and wear tests have been carried out in ambient air under different conditions of normal applied load and sliding speed, as a counter pairs w...

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The current research was undertaken to study the improvement of the tribological behavior of nanocrystalline bioceramic, α-alumina sample, produced by the calculations of gibbsite at different temperatures (300 to 1200°C), followed by uniaxial pressing, sintering and HIP treatment. The improved friction and wear resistance is attributed to the fine...

We became interested in this work to study the tribological behavior of two total hip replacements steel AISI 316L and titanium alloy Ti-6Al-7Nb tests performed in this work are essays with reciprocating movement. The tribological properties of wear by sliding (reciprocating) for the different samples were evaluated in the air on a tribometer with...

We became interested in this work to study the tribological behavior of two total hip replacements steel AISI 316L and titanium alloy Ti-6Al-7Nb tests performed in this work are essays with reciprocating movement. The tribological properties of wear by sliding (reciprocating) for the different samples were evaluated in the air on a tribometer with...

l est indispensable pour appréhender un matériau de le caractériser, c'est-à-dire d'en analyser les propriétés. Il existe de nombreuses techniques de caractérisation des matériaux qui reposent sur différents principes physiques de base : les interactions rayonnement-matière, la thermodynamique et la mécanique. Les essais sur un matériau apportent d...

The aim of the study is to evaluate the friction and wear behavior of high-strength alloys Ti-6Al-7Nb used in femoral stem and compare it with a Ti-6Al-4V alloy cylindrical bar corresponding to ISO 5832-3 part 3/01-07-199 standard. The tribological behavior was investigated by wear tests, using ball-on-disc and pin-on-disc tribometers. These tests...

Tribological behavior of biomaterials AISI 316L and Ti-6Al-7Nb was investigated by wear tests, using tribometers ball on disc and sphere on plane. These tests consisted of measuring the volumetric wear and the friction coefficient. Tribological tests have been carried out in ambient air with oscillating tribotester in accord with standards ISO 7148...

The aim of this research is to study the tribological behavior of Ceramic for Surgical Implants (Total hip prosthesis). The tribological behavior is evaluated by a wear tests, using Tribometres ball - on -disc and sphere - on - plane. These tests consisted of measuring the weight loss, and the friction coefficient of ceramic. The Oscillating fricti...

Friction and wear plays an important role in determining the performance of biomaterials. To this end, the present research is carried out to understand the tribological behavior important biometallic alloy, Ti-6Al-4V under sliding contact. The friction and wear experiments were carried out using ball-on-disc and pin-on-disc tribometers in ambient...

The aim of this research is to study the tribological behaviour of AISI 316L bare supplied by LML ENSAM LILLE and compared it with a surgical Implants AISI 316L as Total hip prosthesis ( femoral steam) The tribological behavior is evaluated by a wear tests, using Tribometres ball on disc and sphere on plane. These tests consisted of measuring the w...

Tribological behavior of biomaterials AISI 316L and Ti-6Al-7Nb was investigated by wear tests, using tribometers ball on disc and sphere on plane. These tests consisted of measuring the volumetric wear and the friction coefficient. Tribological tests have been carried out in ambient air with oscillating tribotester in accord with standards ISO 7148...