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Structure evolution of manganese stabilized zirconia

LING GAO1,2, LIAN ZHOU2, CHENGSHAN LI2, JIANQING FENG2, YAFENG LU2,*

Affiliation

  1. Institute of Materials and Metallurgy, Northeastern University, Shenyang, Liaoning 110004, P. R. China
  2. Northwest Institute for Nonferrous Metal Research, P.O. Box 51, Xi’an, Shaanxi 710016, P. R. China

Abstract

Structural development was systematically studied in Zr1-xMnxO2-δ(x = 0~0.5) prepared at the sintering temperature of 1400℃ in Ar for 12h. It is found that the Mn ions go into the crystal lattice of ZrO2 to form a solid solution without any other compounds formed. After post treatment in high oxygen partial pressure, the cubic phase transforms into the monoclinic phase. We believe that the high symmetry phase can be retained to room temperature due to the effects of vacancy compensation and lattice distortion..

Keywords

Oxides, Phase transformations, Microstructure.

Citation

LING GAO, LIAN ZHOU, CHENGSHAN LI, JIANQING FENG, YAFENG LU, Structure evolution of manganese stabilized zirconia, Optoelectronics and Advanced Materials - Rapid Communications, 6, 1-2, January-February 2012, pp.178-182 (2012).

Submitted at: Dec. 15, 2011

Accepted at: Feb. 20, 2012