Zobrazeno 1 - 10
of 3 121
pro vyhledávání: '"Brabazon, A."'
Autor:
Merve Nur Doğu, Seren Ozer, Mustafa Alp Yalçın, Kemal Davut, Muhannad Ahmed Obeidi, Caner Simsir, Hengfeng Gu, Chong Teng, Dermot Brabazon
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5457-5481 (2024)
This study provides a comprehensive investigation into the effects of different scanning strategies on the material properties of IN939 fabricated using the PBF-LB process. The scanning strategies examined included alternating bi-directional scanning
Externí odkaz:
https://doaj.org/article/528d01ec4fba406b95b89b4e184f004e
Autor:
Seren Ozer, Merve Nur Doğu, Ceren Ozdemirel, Güney Mert Bilgin, Mert Gunes, Kemal Davut, Hengfeng Gu, Dermot Brabazon
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 574-588 (2024)
This study aimed to provide a comprehensive understanding of how aging treatments (namely, HT1 and HT2) affect the microstructure, cracking behavior, and crystallographic texture of IN939 fabricated by powder bed fusion-laser beam (PBF-LB) method. Al
Externí odkaz:
https://doaj.org/article/66ea5ec046004be58a564e70a02d1b09
Autor:
Mehran Bahramyan, Reza T. Mousavian, Gopinath Perumal, Gavin Roche Griffin, Yanuar Rohmat Aji Pradana, James G. Carton, David J. Browne, Dermot Brabazon
Publikováno v:
Materials & Design, Vol 246, Iss , Pp 113316- (2024)
The equiatomic face-centred cubic (FCC) CoNiCrFeMn alloy, known as the Cantor alloy, is renowned for its high ductility under extreme conditions, such as cryogenic temperatures. Despite this, it suffers from low hardness and yield strength (YS) and i
Externí odkaz:
https://doaj.org/article/d836b1d5e57047a2aa6b32b6cbcf8b34
Autor:
Declan Bourke, Karthikeyan Tamil Selvam, Muhannad Ahmed Obeidi, Inam Ul Ahad, Dermot Brabazon
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7988-7997 (2024)
Powder characteristics such as flow energy, bulk density, compressibility, morphology, particle size distribution (PSD) and laser energy absorbtivity have a significant impact on the Laser Bed Powder Fusion (L-PBF) process. The impact of powder chara
Externí odkaz:
https://doaj.org/article/fbf7c7a289434c9a92244ef6382cdecd
Autor:
Anesu Nyabadza, Karthikeyan Tamil, Medad C.C. Monu, Éanna McCarthy, Lehar Asip Khan, Corné Muilwijk, Kevin O'Toole, Lorna Fitzsimons, Dermot Brabazon
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6082-6091 (2024)
This study investigates the greater coefficient of Performance (COP) exhibited by the Ni–Ti lattice geometry (LS) over the solid geometry (SS) for solid-state heating and cooling. The LS's advantageous COP can be attributed to factors including var
Externí odkaz:
https://doaj.org/article/56828a0b1a964070bcc2521527400edd
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 4527-4541 (2024)
This paper examines the effect of ageing temperatures (400, 500, & 600 °C) and times (30, 60, & 90 min) on Ni-rich NiTi samples produced via the Laser Powder Bed Fusion (L-PBF) technique. Variations in the process parameters of the L-PBF which were
Externí odkaz:
https://doaj.org/article/246cdc093f30481592937c5a87a8ff79
Autor:
Rakesh Bhaskaran Nair, Dermot Brabazon
Publikováno v:
npj Materials Degradation, Vol 8, Iss 1, Pp 1-21 (2024)
Abstract Calcia-Magnesia-Alumino Silicate (CMAS) is a form of molten siliceous residue generated at elevated temperatures within aeroengines. CMAS adheres to the surface of thermal barrier coatings (TBCs) and has the potential to cause significant da
Externí odkaz:
https://doaj.org/article/dde111081f9e448fad2bb66c9f629b94
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 5189-5197 (2024)
Screen-printed copper electrodes have the potential to replace silver and lithium electrodes in printed batteries and sensors owing to the abundance of copper, its competitive electrical properties, and the low cost of raw materials. Herein, copper m
Externí odkaz:
https://doaj.org/article/1b1a886cb17c432e9cb153ebd8348ac2
Publikováno v:
Journal of Intelligent Systems, Vol 14, Iss 2-3, Pp 123-142 (2005)
Externí odkaz:
https://doaj.org/article/b6385550b74449dd83d52f2435f8ba42
Autor:
Anesu Nyabadza, Karthikeyan Tamil, Lehar Asip Khan, Sujith S. Kumar, Corné Muilwijk, Greg McNamara, Kevin O'Toole, Lorna Fitzsimons, Dermot Brabazon
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 102956- (2024)
Elastocaloric Ni-Ti alloys offer solid-state heat pump and cooling applications. The environmental impact of elastocaloric Ni-Ti parts manufactured via powder bed fusion was assessed using life cycle assessment with the ReCiPe method. These solid-sta
Externí odkaz:
https://doaj.org/article/f7a8b7e74b65440f849699e1a3a68cec