CARBIFINO - Concepção de novos graus de metal duro de granulometria sub-a nono-micrométrica com elevada resistência ao desgaste erosivo

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Project Details

Start date
2006-01-02
End date
2007-12-31
Extended date
2008-03-31
%
Acronym
CARBIFINO
Reference
70/00090
Funding
Industry National
Programme
IDEIA - I&D Empresarial Aplicado
Budget
74.375 €
Our budget
74.375 €

Team

Description

Pretende-se apresentar soluções inovadoras para responder às solicitações prementes do mercado consumidor do metal duro no sentido do prolongamento do tempo de vida de componentes sujeitos a desgaste erosivo, das indústrias extractivas de petróleo e gás natural e indústrias química e farmacêutica. Com este fim, desenvolver-se-ão novas composições de metal duro a partir de pós sub-micrométricos (0,7 a 0,8 micron), ultra-finos (0,1 a 0,6 micron) e nanopós (<100 nm) com quantidades reduzidas de fase ligante (1 a 6% em peso). A densificação dos novos graus implicará, nalguns casos, a transferência de novas tecnologias de sinterização sob pressão para a empresa, para além da optimização dos parâmetros da sinterização convencional. Prevê-se que as microestruturas obtidas garantam propriedades mecânicas (dureza, tenacidade à fractura) e, consequentemente, resistência ao desgaste por erosão, acrescidas relativamente aos graus-padrão com granulometria micrométrica. Estas características serão extensivamente avaliadas por ensaios adequados. Na etapa final do projecto produzir-se-ão protótipos de componentes para testes em serviço num cliente internacional da empresa promotora.

Main Local Researcher

Rui Ramos Ferreira e Silva

Coordination

Durit - Metalurgia Portuguesa do Tungsténio, Lda.

Partners

Universidade de Aveiro (UA)

Groups

G3 - Electrochemical Materials, Interfaces and Coatings;

link

http://projectos.adi.pt/actions/project?id=C12/2004/0161&search=global&actionbean=actions/project

Sponsors

Sponsors
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