Strengthening Zirconia by Adding Both Nickel and Alumina Particles

Wei Hsing Tuan; S.M. Liu; C.J. Ho; T.J. Yang; Dong Ming Zhang; Lian Meng Zhang; Jing Kun Guo

doi:10.4028/www.scientific.net/KEM.313.47

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 313Strengthening Zirconia by Adding Both Nickel and...

Strengthening Zirconia by Adding Both Nickel and Alumina Particles

Abstract:

In the present study, the processing-properties relationships of the ZrO2/(Ni+Al2O3) composites are examined. Dense composites were prepared either by pulse electrical current sintering (PECS) at 1350C for 5 minutes or by pressureless sintering (PLS) at 1600C for 1 h. The size of Ni particles is as small as 30 nm to 50 nm. Though the size of ZrO2 grains in the matrix increases as alumina and nickel particles are added, the strength of the ZrO2/(Ni+Al2O3) composites is significantly higher than that of monolithic ZrO2.

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Key Engineering Materials (Volume 313)

Pages:

47-52

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.313.47

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Online since:

July 2006

Authors:

Wei Hsing Tuan, S.M. Liu, C.J. Ho, T.J. Yang, Dong Ming Zhang, Lian Meng Zhang, Jing Kun Guo

Keywords:

Aluminum (Al), Composite, Nickel Ni, Strength, Zirconia

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