Hossam El‐Din M. Sallam
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View article: Enhancing the tribological performance of polymeric laminated composite materials by adopting the functionally graded materials technique
Enhancing the tribological performance of polymeric laminated composite materials by adopting the functionally graded materials technique Open
The concept of functionally graded materials was adopted to experimentally enhance the wear resistance and hardness of the traditional laminated composite materials made of long glass fibers and epoxy resin in this work. The laminated comp…
View article: Quasistatic tensile and flexural behaviors of fiber metal laminates after subjecting to uniaxial tensile impact loading
Quasistatic tensile and flexural behaviors of fiber metal laminates after subjecting to uniaxial tensile impact loading Open
This study represents a novel contribution regarding the behavior of fiber-metal laminates (FMLs) under tensile impact loading. The experimental program included axial tensile-impact tests and quasi-static tensile and flexural tests after …
View article: Effects of specimen geometry and size on mode I and mixed mode fracture behavior of high strength fiber reinforced concrete
Effects of specimen geometry and size on mode I and mixed mode fracture behavior of high strength fiber reinforced concrete Open
High-strength concrete (HSC) and polypropylene fiber-reinforced concrete (PPFRC) as quasi-brittle materials generally experience fracture failure either in mode I (tensile mode) or in mixed mode I and II (tensile and shear), which are the …
View article: Safety-Critical Software Failure Prevention Using Defence-in-Depth Approach
Safety-Critical Software Failure Prevention Using Defence-in-Depth Approach Open
In the nuclear field, software-based systems are of increasing importance to safety for both research reactors and Nuclear Power Plants (NPPs) as their use is increasing in both newly installed and refurbished old facilities. These softwar…
View article: Effect of β-spodumene additions on the phase composition, thermal, mechanical, and fracture behavior of zirconia toughened alumina composites
Effect of β-spodumene additions on the phase composition, thermal, mechanical, and fracture behavior of zirconia toughened alumina composites Open
The fabrication of ceramic composites with low thermal expansion and excellent mechanical properties is essential for thermal barrier coating (TBC) applications. For this purpose, using the sol-gel process, novel ceramic composites were de…
View article: Experimental and numerical analysis of the behavior of rehabilitated aluminum structures using chopped strand mat GFRP composite patches
Experimental and numerical analysis of the behavior of rehabilitated aluminum structures using chopped strand mat GFRP composite patches Open
Purpose This paper comprehensively addresses the influence of chopped strand mat glass fiber-reinforced polymer (GFRP) patch configurations such as geometry, dimensions, position and the number of layers of patches, whether a single or dou…
View article: Long term behavior of rubberized concrete under static and dynamic loads
Long term behavior of rubberized concrete under static and dynamic loads Open
Eco-friendly recycled tire-derived rubberized concrete is an environmentally conscious alternative employed in civil engineering for diverse purposes, enhancing the characteristics of concrete. In this paper, the research focuses on examin…
View article: Effect of fiber addition on strength and toughness of rubberized concretes
Effect of fiber addition on strength and toughness of rubberized concretes Open
In this paper, an experimental study was conducted to examine the static and dynamic behaviors of rubberized fiber-reinforced concrete (RFRC). Crumb rubber was partially replaced from sand at volume fractions of 0%, 5%, 10%, 15%, and 20%. …
View article: Effect of Β-Spodumene Additions on the Phase Composition, Thermal, Mechanical, and Fracture Behavior of Zirconia Toughened Alumina Composites
Effect of Β-Spodumene Additions on the Phase Composition, Thermal, Mechanical, and Fracture Behavior of Zirconia Toughened Alumina Composites Open
View article: Mechanical properties of sustainable concrete comprising various wastes
Mechanical properties of sustainable concrete comprising various wastes Open
Due to the rapid increase of pollution around the world, the disposal of waste materials such as granite powder (GP), iron powder (IP), brick powder (BP), and waste plastic particles (PP) is a major environmental problem in the entire worl…
View article: Utilization of Various Industrial Wastes in Ordinary Concrete Under Normal Manufacturing Conditions
Utilization of Various Industrial Wastes in Ordinary Concrete Under Normal Manufacturing Conditions Open
The main objective of the present work is to evaluate using alkaline wastewater from pot factories (recycled NaOH solutions with variant concentrations and pH values) along with waste powders possessing pozzolanic properties, such as suppl…
View article: Applicability of CMOD to Obtain the Actual Fracture Toughness of Rightly-Cracked Fibrous Concrete Beams
Applicability of CMOD to Obtain the Actual Fracture Toughness of Rightly-Cracked Fibrous Concrete Beams Open
Unfortunately, most of the previous work studying the fracture toughness of fibrous composites has deliberately ignored bridging the fiber onto the pre-crack/notch surfaces by creating such a crack as a through-thickness crack (TTC). Furth…
View article: The efficiency of advanced polymeric composite sleeves in the rehabilitation of cracked pipelines under combined loadings
The efficiency of advanced polymeric composite sleeves in the rehabilitation of cracked pipelines under combined loadings Open
The main objective of the present work was to numerically study the effect of loading conditions on the progressive damage of initial defects in steel pipelines. The adhesively-bonded composite sleeve repair technique was utilized to exten…
View article: Effect of Mold Casting Parameters in Interface Properties of Iron/Copper Bimetallic Composites Based upon an Ancient Quranic Metal Matrix Composite (QMMC)
Effect of Mold Casting Parameters in Interface Properties of Iron/Copper Bimetallic Composites Based upon an Ancient Quranic Metal Matrix Composite (QMMC) Open
The relation between iron/copper bimetallic composites has many challenges; one of the most important characteristics is their diffusion and its effect on the properties of the interface region. This paper studies the influence of casting …
View article: Numerical study and experimental validation of the size effect of smooth and mode I cracked semi-circular bend specimens
Numerical study and experimental validation of the size effect of smooth and mode I cracked semi-circular bend specimens Open
View article: An investigation of wear, mechanical, and water sorption/solubility behaviors of a commercial restorative composite containing nano-additives
An investigation of wear, mechanical, and water sorption/solubility behaviors of a commercial restorative composite containing nano-additives Open
Resin-based composites used in dentistry often possess undesirable characteristics. This study investigated the effect of two different nano-additive materials, namely aluminum oxide (Al2O3) and titanium dioxide (TiO2), on the mechanical, …
View article: Lateral Impact Response of Rubberized-Fibrous Concrete-Filled Steel Tubular Columns: Experiment and Numerical Study
Lateral Impact Response of Rubberized-Fibrous Concrete-Filled Steel Tubular Columns: Experiment and Numerical Study Open
This paper presents an experimental and numerical study on the lateral impact behavior of rubberized-fibrous concrete-filled steel tubular (CFST) columns. Four types of concrete were utilized in the experimental program in the infilled col…
View article: Mechanical Behavior of Epoxy Reinforced by Hybrid Short Palm/Glass Fibers
Mechanical Behavior of Epoxy Reinforced by Hybrid Short Palm/Glass Fibers Open
Natural fibers (NFs) have recently been the center of attention among researchers due to their low cost, availability, ease of manufacture, and potential environmental friendliness as reinforcing agents in composites. The present work deal…
View article: Mixed-mode fracture toughness of high strength FRC: a realistic experimental approach
Mixed-mode fracture toughness of high strength FRC: a realistic experimental approach Open
Unfortunately, fibrous composite materials' mixed-mode fracture toughness ( K eff ) was measured using inappropriate through-thickness cracked (TTC) specimens. The problem with such specimens is the ignorance of the fibers in the pre-notch…
View article: Effect of reinforcement type on structural behavior of RC beams containing recycled aggregate
Effect of reinforcement type on structural behavior of RC beams containing recycled aggregate Open
Concrete containing wastes from the demolition of old deteriorated buildings are produced enormously. Concrete is a brittle matrix that is usually reinforced by ductile reinforcement such as steel bars. However, due to the susceptibility o…
View article: The Applicability of TOPSIS- and Fuzzy TOPSIS-Based Taguchi Optimization Approaches in Obtaining Optimal Fiber-Reinforced Concrete Mix Proportions
The Applicability of TOPSIS- and Fuzzy TOPSIS-Based Taguchi Optimization Approaches in Obtaining Optimal Fiber-Reinforced Concrete Mix Proportions Open
This research aims to illustrate and express the impact of analytical techniques such as TOPSIS- and FTOPSIS-based Taguchi models on obtaining the optimum design of fiber-reinforced concrete (FRC).Three levels of silica fume content, fly a…
View article: Mechanical and Tribological Behavior of Functionally Graded Unidirectional Glass Fiber-Reinforced Epoxy Composites
Mechanical and Tribological Behavior of Functionally Graded Unidirectional Glass Fiber-Reinforced Epoxy Composites Open
This paper aims to assess experimentally the mechanical and tribological behavior of conventional and functionally graded (FG) polymeric matrix composites reinforced with continuous glass fibers. The small punch test (SPT) and a pin-on-dis…
View article: Structural Behavior of RC Beams Containing Unreinforced Drilled Openings with and without CFRP Strengthening
Structural Behavior of RC Beams Containing Unreinforced Drilled Openings with and without CFRP Strengthening Open
Construction deficiencies can cause serious problems that significantly decrease the design strength of concrete structures, such as the unreinforced drilled openings. With the absence of sufficient reinforcement, the stress concentrations…
View article: Real fracture toughness of FRC and FGC: size and boundary effects
Real fracture toughness of FRC and FGC: size and boundary effects Open
The present dilemma is how to simulate the real crack in full depth (FD) fiber-reinforced concrete (FRC), FD FRC, to get the actual fracture toughness of such fibrous composites, i.e., through-thickness pre-cracks are inappropriate for suc…
View article: Fracture toughness of matrix cracked FRC and FGC beams using equivalent TPFM
Fracture toughness of matrix cracked FRC and FGC beams using equivalent TPFM Open
In the present work, the fracture toughness (KIC) of full-depth (FD) fiber-reinforced concrete (FRC) and layered functionally graded concrete (FGC) matrix cracked (MC) beams has been determined by the equivalent relationships of the two-pa…
View article: The Effect of Reinforcement Preheating Temperatures on Tribological Behavior of Advanced Quranic Metal-Matrix Composites (QMMC)
The Effect of Reinforcement Preheating Temperatures on Tribological Behavior of Advanced Quranic Metal-Matrix Composites (QMMC) Open
The growing applications of iron/copper bimetallic composites in various industries are increasing. The relationship between the properties of these materials and manufacturing parameters should be well understood. This paper represents an…
View article: Experimental assessment of different strengthening techniques for opening in reinforced concrete beams
Experimental assessment of different strengthening techniques for opening in reinforced concrete beams Open
The present experimental study includes testing thirteen reinforced concrete beams with openings at different locations to investigate the efficiency of strengthening such openings. Different strengthening techniques around the opening aft…
View article: An Assessment of ASTM E1922 for Measuring the Translaminar Fracture Toughness of Laminated Polymer Matrix Composite Materials
An Assessment of ASTM E1922 for Measuring the Translaminar Fracture Toughness of Laminated Polymer Matrix Composite Materials Open
The main objective of this work is to predict the exact value of the fracture toughness (KQ) of fiber-reinforced polymer (FRP). The drawback of the American Society for Testing Materials (ASTM) E1922 specimen is the lack of intact fibers b…
View article: A Review on Thermal Barrier Coatings
A Review on Thermal Barrier Coatings Open
To protect the hot parts of the engine turbines, thermal barrier coatings (TBCs) are exceedingly applied.TBC decreases the temperature of the turbines during operation and hence enhances the engine performance.Recently, researchers have co…
View article: Mechanical Properties of Al/PU/Perforated CU/PU/Al Sandwich Composites
Mechanical Properties of Al/PU/Perforated CU/PU/Al Sandwich Composites Open
In the present work, the warm roll bonding (WRB) technique was adopted to fabricate 3 layers of Aluminum-perforated Copper 260-Aluminum (AL/perforated CU/AL), and five layers of (AL/Polyurethane (PU)/perforated CU/PU/AL) sandwich composite…