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FORMING OF PARTICLES REINFORCED METAL MATRIX COMPOSITES bYCASTING UNDER COUNTER GRAVITY

J.M.Zeng1) and Y.H.Zhou2) 1) Guangxi University , Nanning 530004 , China 2) ShanghaiJiao Tong University , Shanghai200030 , China

金属学报(英文版)

Dynamiccharacteristicsof forming of particlesreinforced metal matrix compositesbycastingunder counter gravityareanalyzedinthispaper.Itispointed outthatthereexists much dif ferenceinfluiditybetweenthecompositesandthe matrix alloyduetothedifferencein viscosityandequivalentsolidification latent. Filling capability can be greatly improved by adoptingcounter gravity process, andthin walled precision castingscan beshaped .

关键词: particlesreinforced metal matrixcomposites , null , null