Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides

Cemented tungsten carbides were produced by liquid-phase sintering. In these work high energy milling (HEM) was used to produce homogeneous and finely grained powder mixtures. The milling effect in the magnetic properties of sintered samples is studied. Differents mixtures in same composition (WC-10...

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Principais autores: Araujo, Jose Humberto, Manuel, Joao Baptista, Costa, F. A., Macedo, Harim Revoredo de, Gomes, Uilame Umbelino, Silva, Angelus Giuseppe Pereira da
Formato: article
Idioma:English
Publicado em: Materials Science Forum
Assuntos:
Magnetization
High energy milling
Composite powder
Sntering
Endereço do item:https://repositorio.ufrn.br/handle/123456789/45364
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spelling ri-123456789-453642021-12-14T17:18:28Z Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides Araujo, Jose Humberto Manuel, Joao Baptista Costa, F. A. Macedo, Harim Revoredo de Gomes, Uilame Umbelino Silva, Angelus Giuseppe Pereira da Magnetization High energy milling Composite powder Sntering Cemented tungsten carbides were produced by liquid-phase sintering. In these work high energy milling (HEM) was used to produce homogeneous and finely grained powder mixtures. The milling effect in the magnetic properties of sintered samples is studied. Differents mixtures in same composition (WC-10wt%Co) were prepared by conventional mixture technique and wet HEM up to 300 hs in planetary Mill. Magnetic hysteresis measurements on the sintered samples detected a significant increase in the coercitive field and a decrease in the saturation magnetization with milling time increasing. X-ray diffractogram show phase transformations with milling time. The Magnetic properties are correlated with phase relations and microstructural properties of the sintered samples. Cemented tungsten carbides were produced by liquid-phase sintering. In these work high energy milling (HEM) was used to produce homogeneous and finely grained powder mixtures. The milling effect in the magnetic properties of sintered samples is studied. Differents mixtures in same composition (WC-10wt%Co) were prepared by conventional mixture technique and wet HEM up to 300 hs in planetary Mill. Magnetic hysteresis measurements on the sintered samples detected a significant increase in the coercitive field and a decrease in the saturation magnetization with milling time increasing. X-ray diffractogram show phase transformations with milling time. The Magnetic properties are correlated with phase relations and microstructural properties of the sintered samples. 2021-12-14T17:17:08Z 2021-12-14T17:17:08Z 2006-01 article Manuel ; ARAÚJO, J. H. ; COSTA, F. A. ; Macedo H.R. ; GOMES, U. U. ; Silva G.P. . Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides. Materials Science Forum, v. 530, p. 322-327, 2006. Disponível em: 10.4028/www.scientific.net/MSF.530-531.322 . Acesso em: 28 mai 2020. Print: 0255-5476 Electronic: 1662-9752 https://repositorio.ufrn.br/handle/123456789/45364 530-531:322-327 en Materials Science Forum
institution Repositório Institucional
collection RI - UFRN
language English
topic Magnetization
High energy milling
Composite powder
Sntering
spellingShingle Magnetization
High energy milling
Composite powder
Sntering
Araujo, Jose Humberto
Manuel, Joao Baptista
Costa, F. A.
Macedo, Harim Revoredo de
Gomes, Uilame Umbelino
Silva, Angelus Giuseppe Pereira da
Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides
description Cemented tungsten carbides were produced by liquid-phase sintering. In these work high energy milling (HEM) was used to produce homogeneous and finely grained powder mixtures. The milling effect in the magnetic properties of sintered samples is studied. Differents mixtures in same composition (WC-10wt%Co) were prepared by conventional mixture technique and wet HEM up to 300 hs in planetary Mill. Magnetic hysteresis measurements on the sintered samples detected a significant increase in the coercitive field and a decrease in the saturation magnetization with milling time increasing. X-ray diffractogram show phase transformations with milling time. The Magnetic properties are correlated with phase relations and microstructural properties of the sintered samples.
format article
author Araujo, Jose Humberto
Manuel, Joao Baptista
Costa, F. A.
Macedo, Harim Revoredo de
Gomes, Uilame Umbelino
Silva, Angelus Giuseppe Pereira da
author_facet Araujo, Jose Humberto
Manuel, Joao Baptista
Costa, F. A.
Macedo, Harim Revoredo de
Gomes, Uilame Umbelino
Silva, Angelus Giuseppe Pereira da
author_sort Araujo, Jose Humberto
title Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides
title_short Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides
title_full Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides
title_fullStr Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides
title_full_unstemmed Effect of High Energy Milling on the Magnetic Properties of the WC-10wt.%Co Cemented Carbides
title_sort effect of high energy milling on the magnetic properties of the wc-10wt.%co cemented carbides
publisher Materials Science Forum
publishDate 2021
url https://repositorio.ufrn.br/handle/123456789/45364
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