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Effect of Carbon Reduction on the Properties of 13 mol% Tio2─3 mol% Y2O3─84 mol% ZrO2

 

作者: Krzysztof Haberko,   Waldemar Pyda,   Jan Piekarczyk,   Miroslaw M. Bucko,  

 

期刊: Journal of the American Ceramic Society  （WILEY Available online 1992）
卷期: Volume 75, issue 5  

页码: 1272-1275

 

ISSN:0002-7820

 

年代: 1992

 

DOI:10.1111/j.1151-2916.1992.tb05569.x

 

出版商: Blackwell Publishing Ltd

 

关键词: zirconia;yttria‐stabilized tetragonal polycrystals;titania;heat treatment;carbon;argon

 

数据来源: WILEY

 

摘要:

Fully tetragonal and sintered 13 mol% TiO2─3 mol% Y2O3─84 mol% ZrO2was thermally treated at 1300°C for 1 h in argon in the presence of carbon. No phase changes occurred on the as‐received surface and in the bulk of the material, butt→mtransformation occurred on polished surfaces under reducing conditions, and it resulted in increased fracture toughness, Young's modulus, and modulus of rigidity. Deoxidation of the system occurred and 0.174 wt% of carbon was found in the sample. This seemed to stabilize the tetragon

 

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