Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Iacopo Giovannetti"'
Autor:
Niccolò Baldi, Alessandro Giorgetti, Alessandro Polidoro, Marco Palladino, Iacopo Giovannetti, Gabriele Arcidiacono, Paolo Citti
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 328 (2023)
In the additive manufacturing laser powder bed fusion (L-PBF) process, the optimization of the print process parameters and the development of conduction zones in the laser power (P) and scanning speed (V) parameter spaces are critical to meeting pro
Externí odkaz:
https://doaj.org/article/db6699b7adf9404cb6cb3f05089c32b7
Autor:
Niccolò Baldi, Alessandro Giorgetti, Marco Palladino, Iacopo Giovannetti, Gabriele Arcidiacono, Paolo Citti
Publikováno v:
Metals, Vol 13, Iss 10, p 1792 (2023)
Laser Powder Bed Fusion (L-PBF) is one of the most widespread, versatile, and promising metal Additive Manufacturing (AM) techniques. L-PBF allows for the manufacturing of geometrically complex parts with good surface characteristics. In this process
Externí odkaz:
https://doaj.org/article/faccbbec5a334e6e991b44a517de5be0
Autor:
Niccolò Baldi, Alessandro Giorgetti, Marco Palladino, Iacopo Giovannetti, Gabriele Arcidiacono, Paolo Citti
Publikováno v:
Materials; Volume 16; Issue 11; Pages: 3920
This paper investigates the effects on the material microstructure of varying the Inter-Layer Cooling Time (ILCT) during the printing process in laser powder bed fusion (L-PBF) multi-laser machines. Despite these machines allowing higher productivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be2f6dfe69558c99f7ec5c4973816a32
Publikováno v:
Frattura ed Integrità Strutturale, Vol 8, Iss 30, Pp 394-402 (2014)
Frattura ed Integrità Strutturale, Vol 8, Iss 30 (2014)
Frattura ed Integrità Strutturale; Vol 8 No 30 (2014): October 2014; pages 394-402
Frattura ed Integrità Strutturale; V. 8 N. 30 (2014): October 2014; pages 394-402
Frattura ed Integrità Strutturale, Vol 8, Iss 30 (2014)
Frattura ed Integrità Strutturale; Vol 8 No 30 (2014): October 2014; pages 394-402
Frattura ed Integrità Strutturale; V. 8 N. 30 (2014): October 2014; pages 394-402
Experimental indentations are carried out on items of two different materials, taken in several location of various components from high pressure gas turbine rotor which have seen an extensive service. The components object of investigation consisted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08691b6a1abf951e8532278e7c010276
https://doi.org/10.3221/igf-esis.30.47
https://doi.org/10.3221/igf-esis.30.47
Publikováno v:
Meccanica. 43:125-131
In this paper several materials have been evaluated in order to select the best suitable alloy for the production of a gas turbine transition piece. These components are exposed to complex thermal stresses and different damages, each of them requirin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::091a93d0005335a10602e9fc5109f432
https://doi.org/10.1007/s11012-008-9126-6
https://doi.org/10.1007/s11012-008-9126-6
Publikováno v:
Energy Materials. 2:13-18
Alloys used for the blades of steam turbines usually do not show a satisfactory resistance to erosion and require surface protection with suitable coatings. Starting from the results obtained with Stellite 6 coatings on AISI 420 stainless steel blade
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82579fdf4fc1b99a319daf05d8e1b5db
https://doi.org/10.1179/174892407x205245
https://doi.org/10.1179/174892407x205245
Autor:
Manuele Bigi, Dieter R. Sporer, Massimo Giannozzi, Arno Refke, Iacopo Giovannetti, Sulzer Metco, Mitch Dorfman, Marian Dratwinski
Publikováno v:
Sealing Technology. 2008:9-11
With increasing fuel prices and significant pressure to reduce emissions, the efficient use of fuels in gas turbines is gaining ever more attention. Abradable seals in gas turbine compressors have contributed to improved efficiencies for quite some t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::409fca1e0a77d2fd348627ffec160f35
https://doi.org/10.1016/s1350-4789(08)70517-8
https://doi.org/10.1016/s1350-4789(08)70517-8
Publikováno v:
ASME 2013 Turbine Blade Tip Symposium.
Abradable/abrasive sealing systems are currently used in gas turbines to reduce the blade tip gas leakage and consequently improve the turbine efficiency. The coatings selection is directly related to the section in which they are used. Seal systems
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30353318fd8caf6f561899a56bdef441
https://doi.org/10.1115/tbts2013-2065
https://doi.org/10.1115/tbts2013-2065
Autor:
Nicola Pieroni, Horia Horculescu, Massimo Giannozzi, Giovanni Zonfrillo, Guido Peano, Iacopo Giovannetti, Marco Manetti
Publikováno v:
Volume 6: Structures and Dynamics, Parts A and B.
High cycle fatigue is a factor that influence gas turbine buckets lifetime and it’s due to high frequency vibrations during service. Rotation and fluid flow around the blades cause static and dynamic stresses on the buckets row. For this reason the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba128eae523e023b21471b664bd828e2
https://doi.org/10.1115/gt2009-59091
https://doi.org/10.1115/gt2009-59091
Autor:
Iacopo Giovannetti, T. Shalini, Suchismita Sanyal, Massimo Giannozzi, Santosh Kumar, Filippo Cappuccini, T. Viswanath
Publikováno v:
Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery.
Thermal barrier coatings (TBC-s) have been utilized in gas turbine engines for over two decades, primarily to protect the existing materials under the demands for higher temperatures and greater engine efficiency. Atmospheric Plasma Sprayed TBC, comm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfb71c9627ce0309064d393b8d0e821b
https://doi.org/10.1115/gt2008-50367
https://doi.org/10.1115/gt2008-50367