Influence of a piezoelectric secondary phase on thermal shock resistance of alumina-matrix ceramics

Lin Wang, Jian Lin Shi, Jian Hua Gao, Dong Sheng Yan

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Using monolithic alumina ceramics as the reference, the thermal shock behavior of the hot-pressed alumina matrix ceramics with 3 mol% neodymium titanate was investigated. The thermal shock resistance of the materials was evaluated by water quenching and a Subsequent three-point bending test to determine the flexural strength degradation. The hot-pressed composite exhibited a temperature differential of the thermal shock resistance 120°C higher than the monolith, mainly because of significantly improved fracture toughness.

Original languageEnglish
Pages (from-to)718-720
Number of pages3
JournalJournal of the American Ceramic Society
Volume85
Issue number3
DOIs
StatePublished - Mar 2002
Externally publishedYes

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