Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Lucas Pires de Paiva Barreto"'
Autor:
Regina Bertília Dantas de Medeiros, Uilame Umbelino Gomes, Meysam Mashhadikarimi, Marcello Filgueira, Lucas Pires de Paiva Barreto, Diego Pires Gurgel
Publikováno v:
Ceramics International. 47:34182-34188
The ceramics machining industry faces several challenges due to the elevated difficulty of cutting hard and brittle products. In this context, polycrystalline diamond (PCD) tools are one of the few materials that can perform this function. However, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b173459ddf2039682e846b35a7c36452
https://doi.org/10.1016/j.ceramint.2021.08.327
https://doi.org/10.1016/j.ceramint.2021.08.327
Autor:
Marcello Filgueira, Lucas Pires de Paiva Barreto, Meysam Mashhadikarimi, Uilame Umbelino Gomes, Diego Pires Gurgel, Regina Bertília Dantas de Medeiros
Publikováno v:
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
2026-01 The objective of this research was to obtain a triple layer Polycrystalline Diamond Compact (PDC) via the High-pressure High-temperature (HPHT) sintering method. A thin layer of WC with 20 wt.% Nb/Ni was used as an interface between the top l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::686aef5f692f9ebaa9292268968d6a7f
https://repositorio.ufrn.br/handle/123456789/33228
https://repositorio.ufrn.br/handle/123456789/33228
Autor:
Meysam Mashhadikarimi, Mayara Adrielly Leal de Oliveira Rodrigues, Lucas Pires de Paiva Barreto, Uilame Umbelino Gomes, Marcello Filgueira, Lukas Bichler, Diego Pires Gurgel
Publikováno v:
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
2026-10 In this research, the effect of adding 2.5, 5.0 and 10 wt% niobium (Nb) as a binding agent was investigated for High Pressure-High Temperature (HPHT) sintering of polycrystalline diamond (PCD). Samples were sintered at 1750 °C and 7.7 GPa. D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::435ca1525b4ac685dd9a7ef537928cf3
https://repositorio.ufrn.br/handle/123456789/33226
https://repositorio.ufrn.br/handle/123456789/33226
Autor:
Diego Pires Gurgel, Regina Bertília Dantas de Medeiros, Marcello Filgueira, M.A.L.O. Rodrigues, Lucas Pires de Paiva Barreto, Meysam Mashhadikarimi, Uilame Umbelino Gomes
Publikováno v:
Repositório Institucional da UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
This study aimed to obtain and characterize a polycrystalline diamond body (PCD) sintered with 15 wt% Nb binder, through the high-pressure high-temperature (HPHT) sintering techniques at three different temperatures of 1650 °C, 1750 °C, and 1850 °
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2bedfa3c7fd2a14ec3b251d0ac41a33
https://repositorio.ufrn.br/handle/123456789/33227
https://repositorio.ufrn.br/handle/123456789/33227
Autor:
Diego Pires Gurgel, Meysam Mashhadikarimi, Regina Bertília Dantas de Medeiros, Lucas Pires de Paiva Barreto, Uilame Umbelino Gomes, Marcello Filgueira
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 102:105711
Tribological performance of polycrystalline diamond‑tantalum (PCD-Ta) composites manufactured by powder metallurgy and HPHT sintering was studied. Different PCD/Ta concentrations were prepared and tested in a pin-on-disc configuration. The tribolog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2add46643a89ce99425ec5c175c064e2
https://doi.org/10.1016/j.ijrmhm.2021.105711
https://doi.org/10.1016/j.ijrmhm.2021.105711
Autor:
Diego Pires Gurgel, Uilame Umbelino Gomes, Meysam Mashhadikarimi, Lucas Pires de Paiva Barreto, Renan da Silva Guimarães, Regina Bertília Dantas de Medeiros, Marcello Filgueira
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 99:105587
Polycrystalline diamond (PCD) is widely applied in the cutting and drilling industry due to its excellent mechanical properties. Currently, several researchers have been studying the use of different binders in its manufacturing, seeking to improve i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86e85a8bbfec2cb5b065da8d458a74c4
https://doi.org/10.1016/j.ijrmhm.2021.105587
https://doi.org/10.1016/j.ijrmhm.2021.105587
Autor:
Rafael Delorence Lugon, Marcello Filgueira, Keytiane de Souza Silva, Renan da Silva Guimarães, Victor Muniz das Chagas, Cássio Santos de Carvalho, Lucas Pires de Paiva Barreto, Joice Medeiros Borges Rosa
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 92:105316
Most of all WC-based cemented carbides use cobalt as binder due to the excellent strength and ductility that this combination provides. Motivators to find alternative binders have been related to factors such as the shortage and price oscillations of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bae6d64148684171e47083fb551229b
https://doi.org/10.1016/j.ijrmhm.2020.105316
https://doi.org/10.1016/j.ijrmhm.2020.105316