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Effect of Cumulative Severe Plastic Deformation on Microstructure and Properties of Ag-CeO2 Composites by RSP

✍ Scribed by Zhang Kunhua; Wen Ming; Guan Weiming; Sun Jialin; Zhou Xiaolong; Chen Jingchao; Du Yan

Book ID
104453464
Publisher
Elsevier
Year
2008
Weight
271 KB
Volume
37
Category
Article
ISSN
1875-5372

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✦ Synopsis

In present study, Ag-CeO 2 composites were prepared by reaction synthesis processing. The phases, the procedure of microstructure homogenization, and the microstructure and physical property evolution of the Ag-CeO 2 composites via the severe plastic deformation were researched extensively. XRD, SEM and EDS analysis indicate that the Ag-CeO 2 composites with tiny AgCeO 2 clusters forming in the Ag matrix can be obtained by reactive synthesis processing, and the microstructure shows the tiny CeO 2 clusters distribute in the Ag matrix which becomes homogenous and dispersed after cumulative severe plastic deformation.

The tensile strength and electrical resistivity decrease with the increase of true strain, while the elongation changes contrarily.

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