Micromechanical study on high-temperature behaviour of ZrO2 particle-dispersed Ni composites

Tsukamoto, Hideaki and Kotousov, Andrei (2007). Micromechanical study on high-temperature behaviour of ZrO2 particle-dispersed Ni composites. In: N. Ohno and T. Uehara, Engineering plasticity and its applications from nanoscale to macroscale: Proceedings of the 8th Asia-Pacific Symposium on Engineering Plasticity and its Applications (AEPA2006). AEPA2006: The 8th Asia-Pacific Symposium on Engineering Plasticity and its Applications, Nagoya, Japan, (95-100). 25-29 September 2006. doi:10.4028/www.scientific.net/KEM.340-341.95


Author Tsukamoto, Hideaki
Kotousov, Andrei
Title of paper Micromechanical study on high-temperature behaviour of ZrO2 particle-dispersed Ni composites
Formatted title
Micromechanical study on high-temperature behaviour of ZrO2 particle-dispersed Ni composites
Conference name AEPA2006: The 8th Asia-Pacific Symposium on Engineering Plasticity and its Applications
Conference location Nagoya, Japan
Conference dates 25-29 September 2006
Proceedings title Engineering plasticity and its applications from nanoscale to macroscale: Proceedings of the 8th Asia-Pacific Symposium on Engineering Plasticity and its Applications (AEPA2006)   Check publisher's open access policy
Journal name Key Engineering Materials   Check publisher's open access policy
Place of Publication Stafa-Zuerich, Switzerland
Publisher Trans Tech Publications
Publication Year 2007
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/KEM.340-341.95
ISBN 9780878494330
0878494332
ISSN 1013-9826
Editor N. Ohno
T. Uehara
Volume 340-341
Issue Part 1
Start page 95
End page 100
Total pages 6
Language eng
Formatted Abstract/Summary
This paper aims to investigate high temperature behavior of ZrO2 particle-dispersed Ni composites. The tension-compression tests under constant stress rates as well as creep tests including stress-dip tests were performed using a high-temperature material testing set up, which consists of an electric-hydraulic fatigue testing machine, electric furnace and extensometer with a laser sensor. ZrO2 particle-dispersed Ni composites were fabricated by using the powder metallurgical methods. The results obtained from the experimental study show that ZrO2 particles remarkably strengthen the composite and there exists a reasonable correlation between the tension-compression stress-strain relation and the creep behavior. In addition, the creep behavior has been examined based on the micromechanical concept, which takes into account the diffusional mass flow at the interface between the particles and matrix. Some numerical analysis based on this concept demonstrates that even a little amount of ZrO2 particles can effectively increase the creep resistance of the composites.
Subjects 0912 Materials Engineering
Keyword ZrO2/ Ni composites
Creep
Tension-compression test
High-temperature test
Micromechanics
Interface diffusion
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Mon, 22 Feb 2010, 16:02:00 EST by Mary-Anne Marrington on behalf of Faculty Of Engineering, Architecture & Info Tech