Paper Title:

Surface Strengthening of Zirconia Toughened Alumina (ZTA) Using Glass Infiltration Technique

Periodical Solid State Phenomena (Volumes 124 - 126)
Main Theme Advances in Nanomaterials and Processing
Edited by Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park
Pages 695-698
DOI 10.4028/www.scientific.net/SSP.124-126.695
Citation A. Balakrishnan et al., 2007, Solid State Phenomena, 124-126, 695
Online since June, 2007
Authors A. Balakrishnan, Min Cheol Chu, B.B. Panigrahi, K.J. Yoon, J.C. Kim, Byoung Cheon Lee, Taik Nam Kim, Seong Jai Cho
Keywords Glass Penetration, Residual Stress, Strength, Thermal Expansion Mismatch
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Abstract

Molten Soda lime glass (SLG) was penetrated into the surface of ZTA at 1500°C for the holding time of 1 to 10 h. The depth of the glass penetration increased with increasing holding time. The thermal expansion mismatch and elastic property mismatch between the penetrated glass and ZTA produced residual compression in the surface region during cooling. This residual compression enhanced the flexural strength and fracture toughness remarkably.