Toughening by Monoclinic Zirconia

H. RUF, ANTHONY G. EVANS

doi:10.1111/j.1151-2916.1983.tb10042.x

Toughening by Monoclinic Zirconia

DOI Web Site Web Site 被引用文献2件

書誌事項

公開日: 1983-05

権利情報

http://onlinelibrary.wiley.com/termsAndConditions#vor

DOI

10.1111/j.1151-2916.1983.tb10042.x

公開者: Wiley

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説明

<jats:p> The toughening induced by monoclinic ZrO <jats:sub>2</jats:sub> in the absence of microcracking was investigated, using ZnO as the host material. Toughness levels <jats:italic> K <jats:sub>c</jats:sub> </jats:italic> in excess of the host toughness <jats:italic> K <jats:sub>c</jats:sub> <jats:sup>M</jats:sup> </jats:italic> were achieved, attaining a peak toughness <jats:italic> K <jats:sub>c</jats:sub> /K <jats:sub>c</jats:sub> <jats:sup>M</jats:sup> </jats:italic> ∼1.7, at monoclinic ZrO <jats:sub>2</jats:sub> volume concentrations 0.2. This toughening is attributed to crack/particle interactions, associated with the deflection and bowing of the crack by the residual strain field around the monoclinic ZrO <jats:sub>2</jats:sub> particles. </jats:p>