Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Lucas Moreira Ferreira"'
Autor:
Isadora Rossi Bertoli, Lucas Moreira Ferreira, Bruno Xavier de Freitas, Carlos Angelo Nunes, Alfeu Saraiva Ramos, Marcello Filgueira, Claudinei dos Santos, Erika Coaglia Trindade Ramos
Publikováno v:
Metals, Vol 8, Iss 2, p 82 (2018)
This work discusses microstructure evolution during ball milling and hot pressing of Ti-xZr-10Si-5B (x = 2 and 5 at. %) and Ti-xZr-20Si-10B (x = 5, 7, 10, 15 and 20 at. %) powder mixtures. Mechanical alloying was carried out in a ball mill using stai
Externí odkaz:
https://doaj.org/article/8d279d27f51a4a2cb867ae29d5bf9896
Autor:
Francis Faria Goulart, Alexandre Antunes Ribeiro, Débora Vieira Way, Lais de Souza Alves, Carlos Angelo Nunes, Lucas Moreira Ferreira, Roseli Marins Balestra
Publikováno v:
Matéria (Rio de Janeiro) v.27 n.4 2022
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro), Volume: 27, Issue: 4, Article number: e20220072, Published: 14 OCT 2022
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro), Volume: 27, Issue: 4, Article number: e20220072, Published: 14 OCT 2022
The present work is a continuation of the research carried out in a previous work, with the aim of improving the production of Ti35Nb alloy by reducing the particle size of Ti (from 50–149 Μm to < 53 Μm) and Nb (from 31–500 Μm to < 62 Μm) pow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::562ebbcdea4917b63f9012da4b2c33b7
https://doi.org/10.1590/1517-7076-rmat-2022-0072
https://doi.org/10.1590/1517-7076-rmat-2022-0072
Publikováno v:
SSRN Electronic Journal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69bcfcf34d0d985f775f5efeaca8b97b
https://doi.org/10.2139/ssrn.4044579
https://doi.org/10.2139/ssrn.4044579
Autor:
Carlos Angelo Nunes, Marcello Filgueira, Claudinei dos Santos, Isadora Rossi Bertoli, Alfeu Saraiva Ramos, Lucíola Lucena de Sousa, Erika Coaglia Trindade Ramos, Lucas Moreira Ferreira, Neide Aparecida Mariano
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This work aims to evaluate the microstructure and corrosion behavior in SBF medium of spark plasma sintered Ti-xZr-20Si-10B (x = 5, 7, 10, 15 and 20 at.-%) alloys. Metastable Ti-Zr-Si-B (at.-%) powders previously prepared ball milling for 600 min wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24f40766c83c58e3a39c513502b5c0ac
https://doi.org/10.1016/j.jallcom.2019.05.196
https://doi.org/10.1016/j.jallcom.2019.05.196
Publikováno v:
Materials Science Forum. 899:463-468
Metal matrix multicomponent alloys and others based on the Ti+Ti6Si2B phases are potentially attractive for structural applications. However, there is limited information in literature on the effect of alloying in stability of the Ti6Si2B compound, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92734f85bbce2e43c5edb22dd996a891
https://doi.org/10.4028/www.scientific.net/msf.899.463
https://doi.org/10.4028/www.scientific.net/msf.899.463
Autor:
Lucas Moreira Ferreira, Erika Coaglia Trindade Ramos, Carlos Angelo Nunes, Marcello Filgueira, Ricardo Mendes Leal Neto, Manuel Fellipe Rodrigues Pais Alves, Nelson Damásio Ferreira, Claudinei dos Santos, Alfeu Saraiva Ramos
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This work reports on effect of zinc and milling time on microstructure and Vickers hardness of mechanically alloyed and spark plasma sintered (66,7-x)Ti-xZn-22,2Si-11,1B alloys (at.-%, with x = 2 and 6 at.-%). Ball milling at different times (20, 60,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e7109025ffd75ad999c0063f172604d
Autor:
Alfeu Saraiva Ramos, D.S. Mégda, Erika Coaglia Trindade Ramos, Rodrigo Fernando Costa Marques, Lucas Moreira Ferreira, A.C. de Souza, Vanessa Motta Chad
Publikováno v:
Materials Science Forum. 869:19-24
This work evaluated on the structural modification during high-energy ball milling of the Si-50C, Si-42.9C-19.1B e Si-33.3C-44.4B (at.-%) powder mixtures from elemental powders. Electron images revealed on occurrence of continuous fracture mechanisms
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b26968ce5dbb451ef3a54d931e335885
https://doi.org/10.4028/www.scientific.net/msf.869.19
https://doi.org/10.4028/www.scientific.net/msf.869.19
Autor:
Troy B. Holland, Bárbara de Oliveira Fiorin, Alfeu Saraiva Ramos, Marcello Filgueira, Lucíola Lucena de Sousa, Neide Aparecida Mariano, Lucas Moreira Ferreira, Carlos Angelo Nunes
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Titanium alloys are widely used for dental, medical, automotive, aeronautic and aerospace applications due to their chemical, physical, biological and mechanical properties. Orthopedic implants of the as-cast and heat-treated Ti–10Si–5B alloy pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cac189773f9eee3103f8a9cd7ab302e
https://doi.org/10.1016/j.mtcomm.2019.100767
https://doi.org/10.1016/j.mtcomm.2019.100767
Autor:
Alfeu Saraiva Ramos, Bruno Xavier de Freitas, Carlos Angelo Nunes, Isadora Rossi Bertoli, Lucas Moreira Ferreira, Marcello Filgueira, Erika Coaglia Trindade Ramos, Claudinei dos Santos
Publikováno v:
Metals, Vol 8, Iss 2, p 82 (2018)
Metals; Volume 8; Issue 2; Pages: 82
Metals; Volume 8; Issue 2; Pages: 82
This work discusses microstructure evolution during ball milling and hot pressing of Ti-xZr-10Si-5B (x = 2 and 5 at. %) and Ti-xZr-20Si-10B (x = 5, 7, 10, 15 and 20 at. %) powder mixtures. Mechanical alloying was carried out in a ball mill using stai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c38c2bc38ef105beff13f2eaf8e9a35a
http://www.mdpi.com/2075-4701/8/2/82
http://www.mdpi.com/2075-4701/8/2/82
Autor:
Carlos Angelo Nunes, Alfeu Saraiva Ramos, Luciano Braga Alkmin, Erika Coaglia Trindade Ramos, Lucas Moreira Ferreira
Publikováno v:
Materials Science Forum. 802:20-24
The milling process of elemental Ti-2Ta-22Si-11B and Ti-6Ta-22Si-11B (at-%) powder mixtures were performed in a planetary Fritsch P-5 ball mill using stainless steel vials (225 mL) and hardened steel balls (19 mm diameter). Ball-to-powder weight rati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b6cca6f262550906bad5b61da82bac7
https://doi.org/10.4028/www.scientific.net/msf.802.20
https://doi.org/10.4028/www.scientific.net/msf.802.20