Whose fracture toughness is stronger? 3Y-TZP vs Si3N4

被引：0

作者：

Zhao, W. ^{[1
,2
,3
]}

Cui, J. P. ^{[2
]}

Li, Z. H. ^{[3
]}

机构：

[1] Shangluo Univ, Sch Chem Engn & Modern Mat, Shangluo 72600, Peoples R China

[2] South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Peoples R China

[3] Guangdong Dongpeng Holding Co Ltd, Foshan 528031, Peoples R China

来源：

JOURNAL OF THE AUSTRALIAN CERAMIC SOCIETY | 2022年 / 58卷 / 03期

关键词：

Fracture toughness; Zirconia; Silicon nitride; Phase transformation toughening; NOTCH-ROOT RADIUS; MECHANICAL-PROPERTIES; ZIRCONIA CERAMICS; SILICON-NITRIDE; MICROSTRUCTURE; LASER;

D O I：

10.1007/s41779-022-00760-z

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The femtosecond lasers were used to cut an ultra-sharp V-notch with a tip radius less than 0.5 mu m on 3Y-TZP and Si3N4 ceramic samples. The K-Ic were measured accurately with the improved single-edge V-notched beam (SEVNB) method. The test results show that the true K-Ic of the 3Y-TZP is lower than that of the Si3N4 ceramic. However, the K-Ic measured by SENB method and the bending strength show that the mechanical property of 3Y-TZP is better than that of Si3N4 in the application without crack source.

引用

页码：1009 / 1013

页数：5

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