Recent Articles

Open access

ISSN: 2588-8404
p-ISSN: 2589-7225

The impact of main process control settings on the quality metrics of thermoplastic Polysulfone (PSU) in MEX 3D printing: a quantitative interpretation

The increasing demand for high-performance thermoplastics in functional and engineering applications has led to a rise in the research of their processability through additive manufacturing (AM) methods....

Experimental Investigation and Machine Learning-Based Optimization of Abrasive Water Jet Drilling in GFRP Laminates

Abrasive water jet drilling (AWJD) has emerged as a promising technique for producing fastener holes in glass fiber reinforced polymer (GFRP) laminates, where conventional drilling is often limited...

Mixture and Process Optimization of Vapor Smoothing Using Acetone and Ethanol for 3D Printed ABS

The effects of solvent vapor treatment on the surface quality of FDM-printed ABS parts were investigated using acetone-ethanol mixtures. Four binary solvent ratios (100:0, 80:20, 60:40, and 40:60 v/v)...

Role of Post-Printing Heat Treatments and Build Orientation on the Mechanical Properties of Additively Manufactured Maraging Steel for Power and Energy Applications

This study investigates the mechanical behavior of maraging steel components fabricated using direct metal laser sintering (DMLS) with varying build orientations within the XZ-plane and subjected to...

Comparative Evaluation of Rolling and Ultrasonic Rolling Chamfer for 7050 Aluminum Alloy Load-Bearing Holes

Rolling is a surface strengthening process that induces substantial plastic deformation, whereas ultrasonic rolling combines ultrasonic vibration with rolling to form a novel hybrid technique. Both...

The Influence of the Weaving Architecture of Fiber Preforms on the Mechanical Behavior of SiC/SiC Composites

SiC/SiC composites with different weaving architectures were prepared by the polymer precursor impregnation and pyrolysis process. The microstructure of the SiC/SiC composites was tested by SEM technology,...

Effect of nanoclay additives on the salt water absorption and material characteristics of nylon additive manufactured polymers

An experimental investigation of the effectiveness of nanoclay material additives on the reduction of water absorption into a nylon AM polymer and the corresponding effects on the material and mechanical...

Analysis and optimisation of parent grain reconstruction for additively manufactured Ti–6Al–4V

During solidification processing, most common titanium alloys solidify as high-temperature parent phase and it subsequently transforms into the room-temperature child phase. This parent to child transformation...

Laser powder bed fusion of AlSi10Mg with increased layer thickness for higher building rate

Among existing metal additive manufacturing technologies, laser powder bed fusion (LPBF) has an outstanding resolution but, from the other side, inferior building rate. In this work, the LPBF process...

Experimental investigation of degradation in the marine environment of FDM-based 3D printed specimens

Additive manufacturing technology, commonly known as 3D printing, is used to create three-dimensional objects. In 3D printing, Fused Deposition Modeling (FDM) is a solid-based additive manufacturing...

Rapid prototyping assisted optimization and experimental three point bending evaluation of spreader bar structure

This paper investigates the advantages of optimization and rapid prototyping technology to aid in the improvement process of a spreader bar for an amphibious commuter aircraft, intended to withstand...

Resistance spot welding of DH1200 using short pulses and high currents: Effects on nugget size, microstructure, hardness, liquid metal embrittlement, and tensile shear strength

This study investigates short-pulse high-current resistance spot welding (RSW) of DH1200, a third-generation advanced high-strength steel (AHSS) critical to lightweight automotive structures. Six RSW...

Fabrication of an isotropic Ti–3Al–8V–6Cr–4Mo–4Zr alloy with a combination of high strength and good ductility

A method on fabricating the Ti-3.09Al-6.66V-5.62Cr-4.54Zr-4.93Mo (Ti-38644) fasteners with high strength and good ductility was reported in this study, whose tensile property evades the strength–ductility...

Low-velocity impact response of novel hierarchical hexagonal multicell structures

This study introduces two novel hierarchical hexagonal multicell (HHM) tube designs inspired by honeycomb and grass stem structures: full triangular hierarchical hexagonal multicell (FTHHM) and internal...

Development of magneto-rheological polishing process with non-Newtonian fluid and uniform magnetic yoke for surface quality Ti–6Al–4V enhancement

Ti–6Al–4V is a widely used and crucial alloy in various industries, particularly in manufacturing. Aiming to achieve a flat and smooth Ti–6Al–4V surface, this study proposes a new magneto-rheological...

Feasibility of electrical discharge machining (EDM) of AZ31 lightweight magnesium alloy in dielectric fluids of hydrocarbon oil and deionized water

In the current study, the effect of different types of dielectric fluids, including hydrocarbon oil and deionized water, on the material removal rate (MRR) and tool wear rate (TWR) of AZ31 magnesium...

Enhancement of mechanical forming properties related in formability for AA2024-T3 sheet using shot peening process

This research aims to improve the formability of aluminum alloy AA2024-T3 sheets, along with their surface characteristics and mechanical forming properties, by employing the shot peening (SP) process...

MORPHOLOGY-AWARE MULTI-FACTOR OPTIMIZATION OF POROSITY IN ALSI10MG LASER POWDER BED FUSION

•A reference pore area based on powder D90 enables normalization of porosity statistics across L-PBF regimes;•Design of experiments is integrated with morphology-aware image analysis for AlSi10Mg L-PBF;•An...

Load rate sensitivity and printability metrics of bio-derived polyhydroxyalkanoate (PHA) in material extrusion additive manufacturing

The increased interest in sustainable materials and technologies that reduce consumption has led to the use of polyhydroxyalkanoate (PHA), in material extrusion 3D printing. PHA combines environmental...

Design and fabrication of lightweight thin-shell structures using shape memory polymer composites for lunar habitat systems

The increasing demand for lightweight, rigid, and deployable structures in space exploration has driven the development of advanced materials for lunar and orbital habitats. This study presents the...

The toughened and heat-resistant composites for additive manufacturing applications. The use of poly(lactic acid)/poly(butylene succinate) blends modified with natural fillers

This paper presents research focused on the preparation of a novel type of poly(lactic acid)/poly(butylene succinate) blend (PLA/PBS) dedicated to additive manufacturing via filament 3D printing, material...

Sensitivity index and strain rate dependent metrics of lightweight acrylonitrile styrene acrylate (ASA) in MEX additive manufacturing

The properties of acrylonitrile styrene acrylate (ASA) are similar to acrylonitrile butadiene styrene. However, it is more robust against environmental phenomena. Therefore, it is capable of use in...

Thermal deformation behaviour and physically-based dual-phase constitutive model of Ni/Ni2Al3 laminated composites

To investigate the high-temperature deformation behaviour of Ni/Ni2Al3 laminated composites with greater precision, a series of uniaxial tensile experiments was conducted at 700 °C under various strain...

A Volume Ratio Method for Determining the Onset of Yielding in Lattice Structures

This paper introduces a novel method for determining the yield stress of lattice structural materials fabricated through metal additive manufacturing (MAM). The new method, named the ‘volume ratio method’,...

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