Paper Title:
Mechanical Properties of (Al2O3+Ni) and (Al2O3+Ni)/Ni Laminated Materials
  Abstract

(Al2O3+Ni) and (Al2O3+Ni)/Ni laminated materials were prepared by tape casting and hot pressing sintering. The mechanical properties of (Al2O3+20wt%Ni) laminated composites were higher than those of (Al2O3+50wt%Ni) composites and Al2O3 sample. The strengthening in the (Al2O3+Ni) composites mainly results from microstructure refinement of the alumina grain size, cracks bridging and crack deflection by the Ni particles. Results showed that the strength and fracture toughness of (Al2O3+Ni)/Ni laminated materials were higher than those of Al2O3/Ni laminated materials with the same layer numbers and thickness ratio. The good mechanical properties of (Al2O3+Ni) and (Al2O3+Ni)/Ni laminated materials result from the second phase of Ni particles in Al2O3 layers.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
1447-1450
DOI
10.4028/www.scientific.net/KEM.353-358.1447
Citation
K. H. Zuo, D. L. Jiang, Q. L. Lin, Y. P. Zeng, Z. M. Chen, "Mechanical Properties of (Al2O3+Ni) and (Al2O3+Ni)/Ni Laminated Materials", Key Engineering Materials, Vols. 353-358, pp. 1447-1450, 2007
Online since
September 2007
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Price
$32.00
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