FRACTURE CHARACTERS AND TOUGHENING MECHANISMS OF Al_20_3-ZrO_2-SiCw CERAMIC COMPOSITE

Chin J Mater Res

1992, Vol. 6

Issue (2): 180-184 DOI:

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FRACTURE CHARACTERS AND TOUGHENING MECHANISMS OF Al_20_3-ZrO_2-SiCw CERAMIC COMPOSITE

GE Qilu;LEI Tingquan;ZHOU Yu(Harbin Institute of Technology)

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GE Qilu;LEI Tingquan;ZHOU Yu(Harbin Institute of Technology). FRACTURE CHARACTERS AND TOUGHENING MECHANISMS OF Al_20_3-ZrO_2-SiCw CERAMIC COMPOSITE. Chin J Mater Res, 1992, 6(2): 180-184.

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Abstract In this paper fracture characters and toughening mechanisms of Al_2O_3-25 v.-%ZrO_2(2 mol% Y_2O_3)-25 v.-% SiCw(AZS)have been studied by means of XRD,SEM,TEMand three-point-bending techniques.Results have shown that the load-displacement curve ofthe mater

Key words: ZrO_2 SiC whisker ceramic composite toughening

Received: 25 April 1992

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