NDLI: Effect of metallic content on mechanical property of Ni/(10NiO-NiFe$_{2}$O$

Content Provider	Springer Nature Link
Author	Li, Jie Zhang, Gang Ye, Shao long Lai, Yan qing Tian, Zhong liang Sun, Xiao gang
Copyright Year	2006
Abstract	Ni/ (10NiO-NiFe$_{2}$O$_{4}$) cermets were fabricated by using cold pressing-sintering method. The phase composition and effect of metallic content on the mechanical properties such as bending strength, Vickers’ hardness, fracture toughness and thermal shock resistance were studied. The results show that the cermets consist of Ni, NiO and NiFe$_{2}$O$_{4}$. Within the range of metallic content from 0 to 17% (mass fraction), the relative density decreases with the increase of metallic content and the decrease of sintering temperature, Vickers’ hardness decreases from 7 097 MPa to 4 814 MPa and the bending strength increases from 110 MPa to 157 MPa, and the fracture toughness reaches the optimal value of 5.11 MPa · m$^{1/2}$ at the metallic content of about 10%. The residual strength after thermal shock testing falls sharply as the thermal shock temperature difference is above 200 °C. The cermets samples, whose metallic content is 10% and 15%, respectively, exhibit promising property of thermal shock resistance at 960 °C with six cycles of heating and quenching testing.
Starting Page	347
Ending Page	352
Page Count	6
File Format	PDF
ISSN	10059784
Journal	Journal of Central South University of Technology
Volume Number	13
Issue Number	4
e-ISSN	19930666
Language	English
Publisher	Central South University of Technology
Publisher Date	2006-01-01
Publisher Place	Changsha
Access Restriction	Subscribed
Subject Keyword	aluminum electrolysis inert anode NiFe$_{2}$O$_{4}$ fracture toughness thermal shock resistance Engineering Metallic Materials
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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