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Cited by 334

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Transformation Toughening in ZrO 2 ‐Containing Ceramics

HEUER, A. H.·1987·Journal of the American Ceramic Society

Abstract

Transformation toughening in ZrO 2 ‐containing ceramics is discussed. Specifically, microstuctures of the three distinct types of ZrO 2 ‐toughened ceramics are presented, after which microstructural evolution in MgO‐partially‐stabilized ZrO 2 Mg‐PSZ) is reviewed. The mechanical properties of such transformation‐toughened ceramics are dominated by “resistance‐curve” ( R ‐curve) behavior, wherein the crack resistance increases during the course of crack propagation. Ceramics subject to R ‐curve behavior require a more detailed failure criterion than those subject to the usual linear elastic fracture mechanics criterion involving a critical stress intensity factor, K IC .R ‐curve‐controlled fracture in ceramics provides a degree of very desirable flaw insensitivity, but can lead to counterintuitive relationships concerning strength, toughness, and initial flaw size. Examples of R curves of Mg‐PSZ with different thermal histories are given.

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Crossref · 10.1111/j.1151-2916.1987.tb04865.x

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Metadata

Authors
HEUER, A. H.
Venue
Journal of the American Ceramic Society
Publisher
Wiley
Published
1987-10
Volume
70
Issue
10
Pages
689-698
ISSN
  • 0002-7820 (ISSN-L)
  • 1551-2916
OpenAlex
W2154247808
Cited by
334
References
4
FWCI
20.76
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Transformation Toughening in ZrO 2 ‐Containing Ceramics. https://app.cochat.ai/papers/10.1111/j.1151-2916.1987.tb04865.x
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HEUER, A. H. (1987). Transformation Toughening in ZrO 2 ‐Containing Ceramics. Journal of the American Ceramic Society. https://doi.org/10.1111/j.1151-2916.1987.tb04865.x

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