CERAMIC MATRIX COMPOSITE SYNTHESIZED BY THE PURE Al+NaOH SELF-OXIDATION

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Acta Metallurgica Sinica (English Letters) ›› 2001, Vol. 14 ›› Issue (4): 296-302 .

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CERAMIC MATRIX COMPOSITE SYNTHESIZED BY THE PURE Al+NaOH SELF-OXIDATION

S.X.He, S.Yuan, J.Wang

Department of Marterials Science and Engineering,Shanghai Jiao Tong University,Shanghai 200030,China

Received:2001-02-27 Revised:2001-05-22 Online:2001-08-25 Published:2009-10-10
Contact: S.X.He

Abstract

Abstract: An Al2 O3/Al ceramic matrix composite was fabricated by self-oxidation of pureAl+ NaOH,and its microstructure,mechanical properties and 9rowth mechanism wereanalyzed.Experimental results show that the composite possesses better mechanicalproperties,higher density and faster growth velocity than that made by Al-Mg-Si al-loy.The composite grows primarily along the crucible wall and has periodic wavy likestructure consisted with cell colonies.

Key words: Al2 O3/Al composite, growth mechanism, growth stimulator, microstructure, growth pattern

S.X.He, S.Yuan, J.Wang. CERAMIC MATRIX COMPOSITE SYNTHESIZED BY THE PURE Al+NaOH SELF-OXIDATION[J]. Acta Metallurgica Sinica (English Letters), 2001, 14(4): 296-302 .

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CERAMIC MATRIX COMPOSITE SYNTHESIZED BY THE PURE Al+NaOH SELF-OXIDATION

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