Zobrazeno 1 - 10
of 596
pro vyhledávání: '"R. Morelli"'
Publikováno v:
Cerâmica, Vol 69, Iss 392, Pp 266-271 (2024)
Abstract The utilization of waste or by-products in geopolymers is an effective strategy that contributes to the development of more sustainable ceramics. The present study aimed to evaluate the physico-mechanical properties of compositions prepared
Externí odkaz:
https://doaj.org/article/bc26d37f6b8045fc86516b59c1121637
Publikováno v:
Cerâmica, Vol 69, Iss 391, Pp 189-194 (2023)
Abstract The composition-processing-structure-properties relationship of Na2O-Al2O3-SiO2-based geopolymers containing calcium sources is critical for the design of enhanced ceramic binders. This work evaluated the addition of 1-6 wt% of calcium hydro
Externí odkaz:
https://doaj.org/article/a594751fe8164dafa84bbbb922c5433e
Publikováno v:
Cerâmica, Vol 69, Iss 391, Pp 242-247 (2023)
Abstract The possibility of recycling solid wastes in the production of geopolymers and advanced ceramic products has received special attention recently. This work investigated the feasibility of replacing a high amount (70-90 wt%) of metakaolin wit
Externí odkaz:
https://doaj.org/article/ba4b1ea1afc54932842986e7f8ffc0d5
Autor:
E. R. dos Passos, M. R. Morelli
Publikováno v:
Cerâmica, Vol 68, Iss 388, Pp 385-391 (2022)
Abstract Fused alumina is a material used in the manufacturing of abrasive tools, due to its high fusion point, great hardness, and mechanical toughness. In this context, this study addressed the influence of niobium addition on the properties of fus
Externí odkaz:
https://doaj.org/article/9145c70e199648b985ca18d8c155f298
Publikováno v:
Materials Research, Vol 25 (2022)
Abstract Thin film solar cell materials such as 3D metal halide perovskites are cheaper alternatives to silicon. Presently, the conversion efficiency of 3D lead halide perovskites is 25.5% (2021), which represents an increase of more than 550% since
Externí odkaz:
https://doaj.org/article/718f894ea3f848ddbbd8b438003ef1f6
Publikováno v:
Patient Safety, Vol 4, Iss SI (2022)
IMPORTANCE: Every year, thousands of emergency department (ED) visits result in patients being discharged with oral antibiotic prescriptions. Published studies that assess the appropriateness of these antibiotic regimens are limited. PURPOSE: The pur
Externí odkaz:
https://doaj.org/article/3cff6608e5114827a2f6ab581ea8cf70
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 12, Iss 3, Pp 486-508 (2019)
Abstract The present study evaluated the feasibility of the use of grinding dust (GD), a waste generated in the clutch disc finishing process, as a retardant additive in cementitious matrices. For this, the waste was added in contents of 5%, 10% and
Externí odkaz:
https://doaj.org/article/a5709a0ce911477090966e653c349fe2
Autor:
Celso A. Goulart, Fábio C. Antunes, Ana P. B. Guerra, Lucia A. Villas-Boas, Marcio R. Morelli
Publikováno v:
Advanced Engineering Materials.
Publikováno v:
Cureus.
Akademický článek
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