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Fabrication, Mechanical Properties, and Electrical Conductivity of Co3O4 Ceramics

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Abstract:

Well-densified Co3O4 ceramics (98.3% of theoretical) have been fabricated by the combined use of hot pressing (800°C/I h/30 MPa) and hot isostatic pressing (880°C/2 h/196 MPa). Their Vickers hardness and fracture toughness are 10.3 GPa and 4.2 MPa·m1/2, respectively. They exhibit a high electrical conductivity of 3.35 × 10′ S·cm−1 at 800°C.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1151-2916.1997.tb02824.x

Affiliations: Department of Molecular Science and Technology Faculty of Engineering, Doshisha University, Tanabe Kpto 610-03, Japan

Publication date: January 1, 1997

bsc/jace/1997/00000080/00000001/art00040
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