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Ozer O.,Missiaen J.M.,Pascal C.,Lay S.,Chaix J.M.,Mitteau R. 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
Processing of W-Cu graded materials from attritor-milled W-CuO mixtures is described. The powder reduction steps are investigated by TG and XRD analyses and by microstructural observations (SEM, TEM). Sintering of reduced powder with different compositions is analysed by dilatometry. Sintering behaviour of the graded component processed by co-compaction of a 10/20/30wt%Cu multi-layer material is briefly discussed. Liquid Cu migration is observed and smooths the composition gradient. Perspectives to control this migration are discussed.