Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Maurizio Natali"'
Publikováno v:
Polymers, Vol 16, Iss 5, p 577 (2024)
Carbon/Phenolic Composites (CPCs) are essential to manufacture many portions of the nozzle assembly of Solid Rocket Motors (SRMs) which are essential both to preserve the independent access to space as well as for the homeland security. In our resear
Externí odkaz:
https://doaj.org/article/d16a27d4628649a29a831941974430b7
Publikováno v:
Frontiers in Materials, Vol 9 (2022)
During last decades a plethora of high temperature materials have been developed to work as a Thermal Protection System (TPS). Carbon based materials such as graphite, which possesses low density, high heat capacity and high energy of vaporization, h
Externí odkaz:
https://doaj.org/article/7409c7351efa4738a910554ab9108c70
Autor:
Weijun Yang, Marco Rallini, Maurizio Natali, Jose Kenny, Piming Ma, Weifu Dong, Luigi Torre, Debora Puglia
Publikováno v:
Materials & Design, Vol 161, Iss , Pp 55-63 (2019)
This work investigated, for the first time, the role of nanosized lignin (LNP), in comparison with microlignin (LMP), when introduced at two different weight amounts (5% and 10 wt%) in bulk phenol–formaldehyde resol as adhesive. Morphological analy
Externí odkaz:
https://doaj.org/article/0b3fecba0dbb43c08d458afc33ef2b26
Autor:
Stefano Laureti, Muhammad Khalid Rizwan, Hamed Malekmohammadi, Pietro Burrascano, Maurizio Natali, Luigi Torre, Marco Rallini, Ivan Puri, David Hutchins, Marco Ricci
Publikováno v:
Sensors, Vol 19, Iss 9, p 2198 (2019)
Ablative materials are used extensively in the aerospace industry for protection against high thermal stresses and temperatures, an example being glass/silicone composites. The extreme conditions faced and the cost-risk related to the production/oper
Externí odkaz:
https://doaj.org/article/ebcffd5a57fc46b9bf1f7123f7e57c64
Autor:
Alessandro Airoldi, Matteo Boiocchi, Maurizio Natali, Chiara Mirani, Luca Di Pancrazio, Gabriele Consiglio, Pietro Ballarin, Marco Riva
Publikováno v:
Applied Composite Materials. 30:399-429
The paper presents technological, experimental and numerical studies aimed at the development of a morphing nozzle in composite material with a deformable divergent section, which is designed to control the vector of thrust in rockets without using m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ed2ba095e41df5891c23718819ddc14
https://doi.org/10.1007/s10443-022-10082-9
https://doi.org/10.1007/s10443-022-10082-9
Publikováno v:
Polymer Degradation and Stability. 195:109793
Carbon/Phenolic Composites (CPCs) are among most important Thermal Protection System (TPS) materials. In addition to the challenges related to the manufacturing issues - partially covered in this paper - the possibility to properly characterize the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f06f5a0eba77917b31fc9c09ae65a61f
https://doi.org/10.1016/j.polymdegradstab.2021.109793
https://doi.org/10.1016/j.polymdegradstab.2021.109793
Publikováno v:
Composite Structures. 198:73-83
Solid Rocket Motors (SRMs) are used to launch satellites and other civilian or military payloads in orbit. Due to their low density and outstanding insulation capability, EPDM/aramid fibers ablatives represent the state of the art of Elastomeric Heat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53c65364237b9b526d6dfcc2155378ff
https://doi.org/10.1016/j.compstruct.2018.03.102
https://doi.org/10.1016/j.compstruct.2018.03.102
Publikováno v:
Journal of Spacecraft and Rockets. 55:783-796
In this research, a break-wire-like ablation recession and thermal sensor based on commercial, affordable thermocouples was designed, fabricated, and tested. The objective of this paper was to demo...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7b7cda53ee8c12649368e24484c4c41
https://doi.org/10.2514/1.a33925
https://doi.org/10.2514/1.a33925
Publikováno v:
Polymer Degradation and Stability. 141:84-96
Among polymeric Thermal Protection System (TPS) materials, Phenolic Impregnated Carbon Ablators (PICAs) offer substantial specific weight reduction. A traditional NASA developed PICA is made starting from a preform or using Milled Carbon Fibers (MCFs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8598d58ffbeeb969c87dbd5dbd4c731b
https://doi.org/10.1016/j.polymdegradstab.2017.05.017
https://doi.org/10.1016/j.polymdegradstab.2017.05.017