Browsing by Subject "Cold spray"
Now showing items 1-17 of 17
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Cold sprayed FeCoNiCrMn High Entropy Alloy (HEA) coating: microstructure and tribological property
(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
(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 ... -
Current Design and Performance of Cold Spray Nozzles: Experimental and Numerical Observations on Deposition Efficiency and Particle Velocity
(2014)Coating technologies play a critical role in the worldwide manufacturing industry. The ability to form layers of specific materials onto engineering components to enhance mechanical and physical properties has numerous ... -
The Effect of In Process Heat Treatment on the Mechanical Properties of Cold Spray Coatings
(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 ... -
Improvement of tensile strength of cold sprayed Fe deposits via in-process powder preheating
(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 ... -
Interparticle bonding and interfacial nanocrystallization mechanisms in cold sprayed metallic glass
(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
(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 ... -
Manufacture of Reflective Aluminium Surfaces Using Cold Spray
(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 ... -
New Insights into the Formation Mechanism of Intertwining Interfaces in Cold Spray
(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 ... -
Nozzle-internal particle velocity measurements and loading effect on particle acceleration inside a Cold Spray nozzle
(2017)The advantages of the solid state deposition process Cold Spray (CS) over conventional spray technologies go hand in hand with the requirement of high and well-predictable particle velocities. The ... -
Property enhancement of cold sprayed Al-diamond MMC coating by using core-shelled diamond reinforcements
(ASM International, 2019)Super wear-resistance and light-weight Al-based metal matrix composite (MMC) coatings were produced using cold spray. Cu-Ni coated diamond with core-shell structure and pure diamond were used as reinforcing ... -
Solid-state Deposition of Bulk Metallic Glass and High-entropy Alloy via Cold Spray
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)Metallic glasses (MGs) and high-entropy alloys (HEAs) are both emerging multi-component alloys with unique microstructures and extraordinary properties. Cold spray, as a burgeoning solid-state material deposition process, ... -
Solid-state manufacturing of tungsten deposits onto molybdenum substrates with supersonic laser deposition
(2014)Near fully dense tungsten coatings onto molybdenum substrates have been demonstrated using the Supersonic Laser Deposition (SLD) process. This is a characteristic that is not readily achievable with refractory materials. ... -
Strengthening mechanism of additively manufactured cold spray Al deposits under low deposition efficiency
(2021)In this study, a novel strategy to manufacture high strength cold-sprayed Al coating by using powder with wide size distribution is proposed. The microstructure and mechanical properties of deposited ... -
Supersonic Laser Deposition of Tungsten
(2014)Near fully dense tungsten coatings onto molybdenum substrates have been demonstrated using the Supersonic Laser Deposition (SLD) process. This is a characteristic that is not readily achievable with ... -
Systematic research on the formation of heterogenous microstructure in FeCoNiCrMn high entropy cold spray
(2022)High entropy alloys, as a novel alloy system, demonstrated excellent mechanical performance. However, despite its excellent mechanical performance, the strength-ductility trade-off effect still limit its performance. In ...