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Extrusion Process for Manufacture of Bulk Functionally Graded Materials

Lin, C.-Y. ; McShane, H. B. ; Rawlings, R. D. WCA

Powder metallurgy, 1996-01, Vol.39 (3), p.219-222 [Periódico revisado por pares]

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Título:
Extrusion Process for Manufacture of Bulk Functionally Graded Materials
Autor: Lin, C.-Y. ; McShane, H. B. ; Rawlings, R. D.
WCA
Assuntos: Applied sciences ; Exact sciences and technology ; Metals. Metallurgy ; Powder metallurgy. Composite materials ; Production techniques ; Sintered metals and alloys. Pseudo alloys. Cermets
É parte de: Powder metallurgy, 1996-01, Vol.39 (3), p.219-222
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: The composition, structure, and properties of functionally graded materials (FGMs) vary as a function of position within the material. The extrusion of bulk FGMs, that is FGMs in which the changes occur over distances of many millimetres throughout the crosssection, is described. Graded materials containing up to 30 vol.-%SiC p in a matrix of aluminium alloy Al 2124 were successfully extruded from preforms produced using a cylindrical stacking method employing concentric, cylindrical aluminium foil tubes. However, the extent of the steady state extrusion region was increased by adopting a conical stacking method. For both stacking methods a pure aluminium surface layer was required to reduce the friction associated with the high silicon carbide contents. PM/0729
Editor: London, England: Taylor & Francis
Idioma: Inglês

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