Recovery of the aging-induced changes in microstructures and local structures of yttria-stabilized zirconia due to ion and atom milling

• Published in: Journal of alloys and compounds Vol. 364; no. 1; pp. 257 - 270
• Main Author: Kondoh, Junya
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 11.02.2004; Elsevier
• Subjects: Ceramics; Cross-disciplinary physics: materials science; rheology; Crystal structure; Exact sciences and technology; Ionic conduction; Materials science; Oxide materials; Physics; Point defects; TEM; Treatment of materials and its effects on microstructure and properties; Ionic conduction; Point defects; Ceramics; Oxide materials; TEM; Crystal structure; Recovery(properties); Stabilized zirconia; SAED; Experimental study; Local structure; Transmission electron microscopy; Comminution; Aging; Microstructure
• ISSN: 0925-8388; 1873-4669
• DOI: 10.1016/S0925-8388(03)00534-6

The effect of ion milling and atom milling on the microstructure and the local structure of yttria-stabilized zirconia before and after aging was investigated. For samples after aging, all thinning methods except atom milling without cooling had a significant effect, restoring them to the original states before aging. These effects are attributed to current flow exceeding the mobility-controlled threshold depending on the temperature through a specimen. Because atom milling with cooling and ion milling completely eliminates aging-induced changes, these methods cannot be used in preparing transmission electron microscopy specimens to examine changes in the microstructures and the local structures of stabilized zirconia after aging.