Daniel Figueiredo
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View article: Robot Path Planning: from Analytical to Computer Intelligence Approaches
Robot Path Planning: from Analytical to Computer Intelligence Approaches Open
In an era where robots are becoming an integral part of human quotidian activities, understanding how they function is crucial. Among the inherent building complexities, from electronics to mechanics, path planning emerges as a universal a…
View article: Optimising WC-25Co Feedstock and Parameters for Laser-Directed Energy Deposition
Optimising WC-25Co Feedstock and Parameters for Laser-Directed Energy Deposition Open
Laser-Directed Energy Deposition (L-DED) is an additive manufacturing technique used for producing and repairing components, mainly for coating applications, depositing metal matrix composites such as cemented carbides, composed of hard me…
View article: Enhancing the cutting performance of laser surface textured WC–Co cutting tools—a study on AISI 316L stainless steel turning
Enhancing the cutting performance of laser surface textured WC–Co cutting tools—a study on AISI 316L stainless steel turning Open
During machining processes, cutting tools suffer severe tool wear, due to the friction generated at the tool-chip and tool-workpiece interfaces that produce a considerable amount of abrasion and heat in the cutting zone. Surface texturing …
View article: Topology Optimization of a Milling Cutter Head for Additive Manufacturing
Topology Optimization of a Milling Cutter Head for Additive Manufacturing Open
The rapid growth of the machining market and advancements in additive manufacturing (AM) present new opportunities for innovative tool designs. This preliminary study proposes a design for additive manufacturing (DfAM) approach to redesign…
View article: Optimizing Metal AM Potential through DfAM: Design, Performance, and Industrial Impact
Optimizing Metal AM Potential through DfAM: Design, Performance, and Industrial Impact Open
Design for Additive Manufacturing (DfAM) is a transformative approach designed explicitly to optimize designs using metal additive manufacturing (AM). Exploring core DfAM principles, the chapter highlights the advantages of geometric freed…
View article: Contagion beyond the virus: A case obsessive-compulsive disorder centered on Covid-19
Contagion beyond the virus: A case obsessive-compulsive disorder centered on Covid-19 Open
Introduction The Covid-19 pandemic has generated an unprecedented impact on multiple levels (health, occupational, economic, and social) which affected the general population and has been an enormous stress factor for individuals with obse…
View article: Multi-material laser powder bed fusion of embedded thermocouples in WC-Co cutting tools
Multi-material laser powder bed fusion of embedded thermocouples in WC-Co cutting tools Open
During machining processes, due to deformation of the material and friction of the chip along the tool surface, a significant amount of heat is generated, particularly in the cutting zone, thus leading to a wear increase and consequent too…
View article: Investigation on micro-milling of cemented carbide with ball nose and corner radius diamond-coated end mills
Investigation on micro-milling of cemented carbide with ball nose and corner radius diamond-coated end mills Open
Micro-milling of cemented carbides is a challenging task due to their high hardness, low toughness and high wear resistance. Ensuring good surface quality and dimensional accuracy is crucial for extending parts service life, which in turn …
View article: CVD-coated tungsten carbide solutions for turning Inconel 718
CVD-coated tungsten carbide solutions for turning Inconel 718 Open
Inconel 718 is used in many industry sectors, particularly, in the aerospace, automotive and energy industries. This alloy is selected due to its excellent mechanical properties and stability at high temperatures. However, this material is…
View article: Drilling of CFRP/Al multi-material stacks using WC-Co CVD diamond coated tools
Drilling of CFRP/Al multi-material stacks using WC-Co CVD diamond coated tools Open
In recent years, promising solutions have emerged to address the need to reduce structural weight in the modern transportation (aeronautical and automotive) industry, namely multi-material assemblies combining fibre-reinforced polymers and…
View article: Additively manufactured milling tools for enhanced efficiency in cutting applications
Additively manufactured milling tools for enhanced efficiency in cutting applications Open
The automotive industry encounters daily challenges as it navigates through new design trends and technological developments, which drive companies to rapidly develop new models. This scenario paves the way for new manufacturing approaches…
View article: A case study of hybrid manufacturing of a Ti-6Al-4V titanium alloy hip prosthesis
A case study of hybrid manufacturing of a Ti-6Al-4V titanium alloy hip prosthesis Open
Hybrid manufacturing (HM) is a process that combines additive manufacturing (AM) and subtractive manufacturing (SM). It is becoming increasingly recognized as a solution capable of producing components of high geometric complexity, while a…
View article: Material Extrusion to Manufacture Carbide-Based Advanced Cutting Tools
Material Extrusion to Manufacture Carbide-Based Advanced Cutting Tools Open
Material extrusion (MEX) allows for the production of advanced cutting tools with new internal cooling systems, which are suitable for new machining equipment. To produce cutting tools via this process, hardmetal and cermet feedstock must …
View article: Investigation on micro milling of cemented carbide with ball nose and corner radius diamond coated end mills
Investigation on micro milling of cemented carbide with ball nose and corner radius diamond coated end mills Open
Micro milling of cemented carbides is a challenging task due to their high hardness, low toughness and high wear resistance. Ensuring good surface quality and dimensional accuracy is crucial for extending parts service life, which in turn …
View article: Chip Morphology Evaluation On Turning Of 316L Stainless Steel Using Laser Surface Textured WC-Co Cutting Tools
Chip Morphology Evaluation On Turning Of 316L Stainless Steel Using Laser Surface Textured WC-Co Cutting Tools Open
During machining processes, a large amount of heat is generated, especially in the cutting zone, due to the deformation of the material and to the friction of the chip along the surface of the cutting tool, resulting in, a wear increase an…
View article: WC–Co/316L stainless steel bonding enhancement by laser surface texturing and pressure-assisted sintering
WC–Co/316L stainless steel bonding enhancement by laser surface texturing and pressure-assisted sintering Open
WC–Co cutting tools are widely used in harsh conditions, but the brittleness of this material can limit their use. Joining steels to WC–Co can provide an alternative, by combining the toughness of steel with the high hardness and wear resi…
View article: Reaction behavior during Spark Plasma Sintering of cBN-TiCN-Ni powders
Reaction behavior during Spark Plasma Sintering of cBN-TiCN-Ni powders Open
[EN] Polycrystalline cubic boron nitride (PcBN) is the designation given to composites constituted by cBN hard particles within a ceramic/metallic matrix. These composites are normally processed in severe pressure and temperature condition…
View article: On the Influence of Binder Material in PCBN Cutting Tools for Turning Operations of Inconel 718
On the Influence of Binder Material in PCBN Cutting Tools for Turning Operations of Inconel 718 Open
Inconel 718 is a highly valued material in the aerospace and nuclear industries due to the fact of its exceptional properties. However, the processing of this material is quite difficult, especially through machining processes. Machining t…
View article: Influence of ink rheology and post processing in the structural performance of silicon nitride-based ceramics fabricated by robocasting
Influence of ink rheology and post processing in the structural performance of silicon nitride-based ceramics fabricated by robocasting Open
The fabrication of complex shaped Si3N4 parts by conventional methods is challenging due to its high hardness and mechanical strength. Additive manufacturing (AM) appeared as a competitive way to attain three-dimensional complexity at lowe…