FORMING OF PARTICLES  REINFORCED METAL MATRIX COMPOSITES  bYCASTING UNDER COUNTER GRAVITY

Abstract

Abstract: 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 .

Key words: particlesreinforced metal matrixcomposites, casting undercounter gravi ty, aluminum alloy

J.M.Zeng1) and Y.H.Zhou2) 1) Guangxi University, Nanning 530004 ,China 2) ShanghaiJiao Tong University,Shanghai200030 ,China. FORMING OF PARTICLES REINFORCED METAL MATRIX COMPOSITES bYCASTING UNDER COUNTER GRAVITY[J]. Acta Metallurgica Sinica (English Letters), 1999, 12(4): 528-530.

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FORMING OF PARTICLES REINFORCED METAL MATRIX COMPOSITES bYCASTING UNDER COUNTER GRAVITY

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