Showing papers in "International Journal of Lightweight Materials and Manufacture in 2021"

TL;DR: In this article, the state of the art in additive manufacturing of high-strength aluminium alloys for aerospace applications is reviewed, focusing on defects and issues in AMed 2xxx and 7xxx series alloys and recent developments in novel hybrid AM processes to minimize or eliminate the defects.

TL;DR: In this article, the authors extracted and characterized fibers from Pennisetum orientale grass and treated them with hydrochloric acid and sodium hydroxide (alkali) solutions.

TL;DR: In this paper, the authors provide an overall review of the historical background and recent developments of fibre metal laminates, their classifications, sheet fabrication processes, and their advantages and disadvantages.

TL;DR: In this article, a detailed discussion was made about the surface modification carried out on the materials during the EDM process and the influence of powder particles present in the dielectric fluid on minimizing the formation of recast layer and crater formation was discussed.

TL;DR: In this paper, the effect of micro hole textured cutting tool inserts on machining performance was analyzed using L9 Taguchi orthogonal array (L9 taguchi array) and the results revealed that textured tools with solid lubricant embedded cutting inserts could act as alternative to hydrocarbon oil based cutting fluid and also chip breaker.

TL;DR: In this article, a focused ion beam TTX-NHT3 nanoindentation tester with a load of 500 mN was used to examine the influence of laser power and scan speed on the elastic modulus and hardness of the alloy coatings using the Oliver & Pharr method.

TL;DR: In this paper, a review of the fractography of compressive and tensile tests of nanocomposites Mg, classifying fractography by all kinds of reinforcement and working conditions of the Mg-matrix nano-composite is discussed thoroughly.

TL;DR: In this article, the effect of fillers on the Young's modulus of polystyrene-based polymer nanocomposites (PNCs) with 8-wt% fillers at 200-°C and 50-rpm was investigated.

TL;DR: In this paper, the effectiveness of the detection of the damage in low-velocity impacts in several different composite laminates, at different energy levels, is investigated by using ultrasonic technique.

TL;DR: In this article, Al2O3+Ti [C,N] was used to machine a glass fiber rod at different process conditions and the performance of the tool was observed to measure the flank wear at individual process conditions.

TL;DR: In this paper, three processes were compared in terms of mechanical and metallurgical properties of welded joints: friction stir welding (FSW), laser beam welding (LBW), and tungsten inert gas (TIG) welding.

TL;DR: In this article, a multi objective optimization technique based on Dragonfly Algorithm (DFA) is proposed for optimizing the weld strength of FSW of aluminum alloy 6082-T6.

TL;DR: In this article, a hybrid natural fiber composite material is developed in-house to study the performance of machinability through abrasive water jet cutting process, and two filler materials such as palm and coconut shell powder are developed with two different combination of material is optimized using a natural evolutionary based genetic algorithm.

TL;DR: In this article, a high-speed mechanical clinching (HSMC) joining technique is proposed, where the high speed of the punch is provided by the discharge of the electric energy in a fluid like in the electro-hydraulic forming process.

TL;DR: In this article, a unified viscoplastic-Hosford-MK model was developed to postprocess the simulated evolutionary thermomechanical characteristics and then numerically predict the forming limit criterion of AA7075 in a hot stamping process, of which results were demonstrated on a dedicated visualiser that independent of finite element software.

TL;DR: In this paper, the authors investigated the influence of thermoplastic non-woven veils on the interlaminar fracture energy and toughening mechanisms under mode-I dominant loading conditions in out-of-autoclave resin-infused carbon fibre-epoxy laminates.

TL;DR: In this article, the efficiency of hybrid carbonaceous phase (GNPs+CNTs) reinforcement in the enhancement of mechanical properties of AZ80 matrix composite with the insight of texture and microstructure evaluations is presented.

TL;DR: In this article, a special tool was designed to measure axial force and surface hardness in friction drilling and ultrasonic assisted friction drilling Higher rotational speed and lower feed rate induce lower axial forces and higher surface hardness.

TL;DR: In this paper, a comparative study on epoxy with different weight ratio of MWCNTs was made, and an experimental relation between changes in different types of properties was developed based on observation and experiment.

TL;DR: In this paper, the impact of process factors such as tool rotational speed, workpiece rotation speed, feed rate and eccentricity on surface roughness and residual stress was analyzed.

TL;DR: In this paper, the results show a significant improvement in micro-hardness and tensile properties on the addition of MoS2 particles, up to 4.5% and beyond 4.1%.

TL;DR: In this article, a comparison of carbon fiber composite laminates with continuous carbon fiber reinforcement printed using a commercially available 3D printer are compared to carbon fiber fabric-resin composites produced using manual layup techniques.

TL;DR: In this paper, the authors developed predictive models premised on feedforward backpropagation neural network (FFNN), cascade-forward neural network(CFNN), and generalized regression neural network-based model (GRNN) to simulate the nonlinear elastic-plastic response of a bio-based structure.

TL;DR: In this article, the laser welding-brazing technology assisted by alternating magnetic field was adapted to Mg/steel dissimilar materials with Ni interlayer, and the results showed that the weld width L was enlarged and ensured good weld formation and weld quality by applying the alternating magnetic fields.

TL;DR: In this paper, a phenomenological model is developed to capture matrix shearing and fiber rotation of carbon fiber reinforced plastic (CFRP) under finite strain, which is verified by simple shear and transverse compression tests.

TL;DR: In this article, a ternary Al-27%Cu-5%Si-ternary alloy was investigated to understand its microstructural formation and its influence on the hardness and high-temperature tensile properties of the alloy.

TL;DR: In this paper, experiments of high-velocity projectiles impacting two different types of fluid-filled containers, including an aluminium wall and a composite aluminium/rubber wall, were performed to study the mitigation effect of the rubber layer on the damage of the structure and the impact loading from Hydrodynamic Ram.

TL;DR: In this paper, the performance of a beam-based lattice structure with a porosity of 50 to 80% was evaluated using load-strain curves and finite element modeling.

TL;DR: In this paper, a truncated octahedron for the porosity shape has been selected due to benefit and properties ascribable to its morphology, and a new method for the manufacturing of pre-determined open porosity Al foams is presented.

TL;DR: In this paper, a simple shear forging (SSF) method is presented, during which a billet with a rectangular cross-section is enforced under a cross-sectional shear strain, and its crosssection is changed to the parallelogram.