Browsing by Author "Lupoi, Rocco"
Now showing items 1-20 of 25
- Sort by:
- title
- issue date
- submit date
- Order:
- ascending
- descending
- Results:
- 5
- 10
- 20
- 40
- 60
- 80
- 100
-
Advanced diamond-reinforced copper composite coatings via cold spray and material characterization
Lupoi, Rocco; Yin, Shuo (2016)Diamond reinforced copper matrix composites (DCMC) has great potentials for heat sinks applications due to their excellent thermal properties. Cold Spray, as a relatively emerging coating technique, is able to ... -
Binder evaporation during powder sheet Additive Manufacturing
Lupoi, Rocco (2023)Several Additive Manufacturing methods are well established and found access into regular production in multiple sectors. For processing metals, typically wire or powder is used as feedstock. Wire processing is typically used ... -
Cold sprayed FeCoNiCrMn High Entropy Alloy (HEA) coating: microstructure and tribological property
Lupoi, Rocco; Yin, Shuo (ASM International, 2019)High entropy alloys (HEAs) are of great interest in the community of materials science and engineering due to their unique phase structure. They are constructed with five or more principal alloying elements in equimolar ... -
Cold spraying of WC-Co-Ni coatings using porous WC-17Co powders
Lupoi, Rocco; Yin, Shuo (2017)Cold spray has been successfully used to produce WC-Co coatings in recent years, showing great potential. However, due to the lack of sufficient Comatrix phase for plastic deformation, the ... -
Database of 2D materials for specific project purposes
Lupoi, Rocco (Trinity College Dublin, 2023) -
The Effect of In Process Heat Treatment on the Mechanical Properties of Cold Spray Coatings
Lupoi, Rocco; Aldwell, Barry; Jenkins, Richard; Cassidy, Jonathan (ASM International, 2019)Cold spray (CS) is an additive manufacturing process which has recently gained interest within research and select high-end production systems; however, one of the primary factors limiting the deployment of this process ... -
Erosion behaviour of cold sprayed coatings made of CrMnFeCoNi high-entropy alloy or composite powders containing WC hard particles in a pure nickel matrix
Lupoi, Rocco (2023)The performance of two distinct coating materials under alumina particle impingement was tested in this study. CrMnFeCoNi and WC-Ni coatings were applied to 2205 duplex stainless steel substrates using cold spray method ... -
Hybrid additive manufacture of 316L stainless steel with cold spray and selective laser melting: microstructure, mechanical properties and case study
Lupoi, Rocco; Yin, Shuo (ASM International, 2019)A novel hybrid additive manufacturing process was proposed and utilized for the production of 316L stainless steel components in this work. It combines selective laser melting (SLM) and cold ... -
Improvement of tensile strength of cold sprayed Fe deposits via in-process powder preheating
Lupoi, Rocco (2022)Cold sprayed Fe deposits were manufactured with non-preheated and preheated powders, respectively. The microstructure of the deposits was characterized by electron backscattered diffraction. The tensile property of the ... -
Influence of processing parameters on density, surface morphologies and hardness of as-built Ti-5Al-5Mo-5V-3Cr alloy manufactured by selective laser melting
Lupoi, Rocco; Yin, Shuo (2022)Demand for new Ti alloys for AM is immense. Ti–5Al–5Mo–5V–3Cr (wt%), a β type Ti alloy is chosen for this study as it possesses excellent properties. Samples are manufactured using SLM technique. Relative density, surface ... -
Interparticle bonding and interfacial nanocrystallization mechanisms in cold sprayed metallic glass
Lupoi, Rocco (2022)In this work, amorphous Zr-based bulk metallic glass deposit was manufactured by cold spray. The bonding mechanism of metallic glass particles was systematically investigated through studying the deformation behavior of ... -
Investigation of the effect of low-temperature annealing and impact angle on the erosion performance of nickel-tungsten carbide cold spray coating using design of experiments
Lupoi, Rocco (2022)This study investigates the solid particle erosion performance of cold sprayed tungsten carbide-nickel coatings using alumina particles as erodent material. After the coatings fabrication, specimens were annealed in an ... -
LIFE CYCLE ASSESSMENT (LCA) OF A NEWLY DESIGNED METAL ADDITIVE MANUFACTURING PROCESS: MAPS (METAL ADDITIVE MANUFACTURING USING POWDER SHEETS)
Lupoi, Rocco (2024)Additive manufacturing (AM), a transformative technology in modern manufacturing, offers design freedom and reduced material waste. However, understanding the environmental impacts of AM processes is imperative for sustainable ... -
Manufacture of Reflective Aluminium Surfaces Using Cold Spray
Lupoi, Rocco; Yin, Shuo (ASM International, 2018)This research demonstrates the use of cold spray (CS) as an additive manufacturing process to manufacture reflective aluminium coatings. Nitrogen was used as a carrier gas at various gas heating temperatures. Following ... -
Mechanical and fatigue properties of diamond-reinforced Cu and Al metal matrix composites prepared by cold spray
Lupoi, Rocco; Yin, Shuo (2021)Diamond-reinforced composites prepared by cold spray are emerging materials simultaneously featuring outstanding thermal conductivity and wear resistance. Their mechanical and fatigue properties relevant ... -
Microstructure and tribological properties of Al2O3 reinforced FeCoNiCrMn high entropy alloy composite coatings by cold spray
Lupoi, Rocco (2022)High entropy alloys (HEAs) are novel materials that have been extensively studied in recent years. In this work, Al2O3 particles reinforced FeCoNiCrMn HEA composite coatings were fabricated by cold spray. The microstructure, ... -
New Insights into the Formation Mechanism of Intertwining Interfaces in Cold Spray
Lupoi, Rocco; Yin, Shuo (ASM International, 2018)Experimental investigation supported by numerical modeling was conducted to explore the formation mechanism of intertwining interface in cold spray. The result revealed that low particle impact velocity and the consequent ... -
A novel antibacterial and biocompatible Ta-Ag coating fabricated by cold spray technology
Lupoi, Rocco (2023)Infection caused by bacterial contamination is a critical problem challenging the successful use of medical implants in orthopaedic and dental applications. Consequently, medical implants with antibacterial abilities ... -
Particle in-flight velocity and dispersion measurements at increasing particle feed rates in Cold Spray
Lupoi, Rocco; Yin, Shuo (2016)