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Improvement of Fracture Toughness Lanthanum Zirconate

LI J Y DAI H LI Q ZHONG X H CAO X Q

材料工程Issue(5)：51-56,62,7.

Improvement of Fracture Toughness Lanthanum Zirconate

LI J Y ¹DAI H ²LI Q ¹ZHONG X H ²CAO X Q¹

作者信息

1. Key Lab of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
2. Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
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摘要

Abstract

La2 Zr2 O7 (LZ) is a promising thermal barrier coating material for the high temperature applications. The fracture toughness and microhardness of nanocrystalline LZ (n-LZ), microcrystalline LZ (m-LZ) and LZ-5mol%8YSZ (LZ-5-8YSZ) composite (8YSZ for zirconia stabilized by 8 mol% ytrria) were studied. The n-LZ had a thermal expansion coeffinanofication was an efficient way to increase the toughness and thermal expansion coefficient of LZ. The composite LZ-5-superhigh pressure (SHP).

关键词

ceramics/nanostructure/fracture toughness/thermal expansion

Key words

ceramics/nanostructure/fracture toughness/thermal expansion

分类

通用工业技术

引用本文复制引用

LI J Y,DAI H,LI Q,ZHONG X H,CAO X Q..Improvement of Fracture Toughness Lanthanum Zirconate[J].材料工程,2006,(5):51-56,62,7.

基金项目

supported by the NSFC-20471058 and "CAS-Bairen". （）

材料工程

OA北大核心CSCDCSTPCD

ISSN：1001-4381

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