Eduardo A. S. Marques
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View article: Hindering Effect of Solid-Solutioning on Intermetallic Growth in Aluminum–Matrix Composite Reinforced with Mechanically Alloyed Ni-Cu Particles
Hindering Effect of Solid-Solutioning on Intermetallic Growth in Aluminum–Matrix Composite Reinforced with Mechanically Alloyed Ni-Cu Particles Open
In the present study, aluminum matrix composites (AMCs) were fabricated by friction stir processing (FSP) using Ni-Cu particles. Ni-Cu particles were added to the Al matrix in two ways. First, without any treatment and in the form of a mix…
View article: Experimental and Numerical Study of Laser Beam Welding of PBT-G30 for Electronic Housings in Automotive Applications
Experimental and Numerical Study of Laser Beam Welding of PBT-G30 for Electronic Housings in Automotive Applications Open
This study investigates the application of laser spot welding to join protective housing components in the automotive electronics industry. The PBT GF 30 components were joined using two primary configurations: a purely overlapping joint a…
View article: Adhesive bonding in automotive battery pack manufacturing and dismantling: a review
Adhesive bonding in automotive battery pack manufacturing and dismantling: a review Open
The integration of electric vehicles (EVs) powered by lithium-ion batteries (LIBs) marks a pivotal phase towards achieving a net-zero environment. The anticipated surge in EV adoption is expected to yield a substantial influx of battery wa…
View article: Enhancing High-Temperature Durability of Aluminum/Steel Joints: The Role of Ni and Cr in Substitutional Diffusion Within Intermetallic Compounds
Enhancing High-Temperature Durability of Aluminum/Steel Joints: The Role of Ni and Cr in Substitutional Diffusion Within Intermetallic Compounds Open
The automotive and aerospace industries increasingly rely on lightweight, high-strength materials to improve fuel efficiency, making the joining of dissimilar metals such as aluminum and steel both beneficial and essential. However, a majo…
View article: Failure analysis of novel hybrid busbars made by hole hemming for electric vehicle applications
Failure analysis of novel hybrid busbars made by hole hemming for electric vehicle applications Open
This paper focuses on the failure behavior of novel joints between aluminum and copper sheets produced by hole hemming, with potential applications in hybrid busbars for electric vehicle batteries. This technology involves deforming the al…
View article: A new joining by forming process for busbar-prismatic cell interconnections in electric vehicle batteries
A new joining by forming process for busbar-prismatic cell interconnections in electric vehicle batteries Open
The paper introduces a new joining process, termed tube fit joining, designed for prismatic cell terminal-to-busbar connections in electric vehicle batteries. In this process, a tubular connector is inserted into the terminal and busbar ho…
View article: Improving Eco-Friendly Polymer Adhesive Joints: Innovative Toughening Strategies for Consistent Performance Under Various Loading Conditions
Improving Eco-Friendly Polymer Adhesive Joints: Innovative Toughening Strategies for Consistent Performance Under Various Loading Conditions Open
In modern engineering applications, the use of sustainable materials and eco-friendly methods has become increasingly important. Wood joints, especially those strengthened with bio-adhesive, have attracted considerable attention due to the…
View article: Impact of Thermal Variations on the Fatigue and Fracture of Bi-Material Interfaces (Polyimide–EMC, Polyimide–SiO2, and Silicon–EMC) Found in Microchips
Impact of Thermal Variations on the Fatigue and Fracture of Bi-Material Interfaces (Polyimide–EMC, Polyimide–SiO2, and Silicon–EMC) Found in Microchips Open
As the trend towards the densification of integrated circuit (IC) devices continues, the complexity of interfaces involving dissimilar materials and thermo-mechanical interactions has increased. Highly integrated systems in packages now co…
View article: Mechanical Characterization of a Novel Cyclic Olefin-Based Hot-Melt Adhesive
Mechanical Characterization of a Novel Cyclic Olefin-Based Hot-Melt Adhesive Open
A novel hot-melt cyclic olefin-based adhesive was designed as a transparent, non-tacky film of amorphous thermoplastic with a unique polymer micro-structure. The aim of the present paper is to assess the mechanical properties of the 0.1 mm…
View article: Performance of Hybrid Reinforced Composite Substrates in Adhesively Bonded Joints Under Varied Loading Rates
Performance of Hybrid Reinforced Composite Substrates in Adhesively Bonded Joints Under Varied Loading Rates Open
The use of adhesive bonding for joining composites has grown due to its excellent performance compared to traditional joining methods. However, delamination remains a significant issue in adhesively bonded composite joints, often causing e…
View article: Effects of Temperature on the Fracture Response of EMC-Si Interface Found in Multilayer Semiconductor Components
Effects of Temperature on the Fracture Response of EMC-Si Interface Found in Multilayer Semiconductor Components Open
Despite the fact that temperature is an important condition that affects the behavior of material interfaces used in integrated circuits (ICs), such as the case for epoxy molding compound (EMC) and silicon (Si), this has not been thoroughl…
View article: Tube fit joining: A novel technique for busbar-to-prismatic cell interconnections in electric vehicles
Tube fit joining: A novel technique for busbar-to-prismatic cell interconnections in electric vehicles Open
This paper presents Tube-Fit Joining, a novel process for connecting prismatic cell terminals to busbars in EV batteries. It involves inserting a tubular connector into the terminal and busbar holes, followed by plastic deformation to esta…
View article: Effect of bonding defects on heat transfer and creep response of microprocessor-heatsink adhesive joints
Effect of bonding defects on heat transfer and creep response of microprocessor-heatsink adhesive joints Open
Efficient thermal management in microelectronic assemblies is crucial for the optimal performance and reliability of microprocessors. This study investigates the thermal, static, and creep performance of pressure-sensitive adhesives (PSAs)…
View article: Functionally Graded Impact Attenuator Using Bonded Construction
Functionally Graded Impact Attenuator Using Bonded Construction Open
Automotive collisions are one of the major causes of death in the European Union, especially in childhood and adolescence. However, improvements in vehicle safety cannot be achieved only by increasing the size and dimensions of the structu…
View article: Editorial
Editorial Open
This final issue of Journal on Teaching Engineering contains selected papers presented at the 2nd International Conference on Science and Technology Education STE 2022, held at Faculty of Engineering of the University of Porto (FEUP), Port…
View article: Effect of the Infill Density on 3D-Printed Geometrically Graded Impact Attenuators
Effect of the Infill Density on 3D-Printed Geometrically Graded Impact Attenuators Open
Three-dimensional printing is widely becoming prevalent in various industries, including the automotive sector. As this technology advances, critical structures subjected to impact loads may also be produced using additive manufacturing. A…
View article: Design of flat hole-clinching for joining polymer and metal sheets
Design of flat hole-clinching for joining polymer and metal sheets Open
There is a growing need for joining processes capable of joining dissimilar materials, specifically lightweight materials. In this study, flat hole-clinching (FHC) is developed for joining polycarbonate and AZ31 magnesium alloy sheets. A d…
View article: Characterization of the mechanical properties of a polyurethane adhesive: Tensile strength and Fracture tests
Characterization of the mechanical properties of a polyurethane adhesive: Tensile strength and Fracture tests Open
The aim of this paper is to study the response of a polyurethane-based adhesive when subjected to different loading conditions. To achieve this, double cantilever beam (DCB) and dogbone specimens were manufactured, and tensile strength, fr…
View article: Exploring Bio-Based Polyurethane Adhesives for Eco-Friendly Structural Applications: An Experimental and Numerical Study
Exploring Bio-Based Polyurethane Adhesives for Eco-Friendly Structural Applications: An Experimental and Numerical Study Open
In response to heightened environmental awareness, various industries, including the civil and automotive sector, are contemplating a shift towards the utilization of more sustainable materials. For adhesive bonding, this necessitates the …