Joining ZTA ceramics by using whiskers reinforced borosilicate glasses for high-temperature applications

被引：5

作者：

Yang, Bo ^{[1
]}

Li, Chun ^{[1
]}

Si, Xiaoqing ^{[1
]}

He, Zongjing ^{[1
]}

Chen, Lei ^{[1
]}

Su, Shuai ^{[1
]}

Qi, Junlei ^{[1
]}

Cao, Jian ^{[1
]}

机构：

[1] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China

来源：

MATERIALS LETTERS | 2021年 / 304卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Glass; Joining; Welding; Microstructure; Mechanical Properties; ALUMINUM BORATE WHISKERS; MECHANICAL-PROPERTIES; AL2O3;

D O I：

10.1016/j.matlet.2021.130583

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We put forward a novel strategy for joining zirconia-toughened alumina (ZTA) ceramics using whiskers reinforced borosilicate glasses for high-temperature (HT) applications. Herein, the robust joining of ZTA ceramics by using B2O3-Al2O3-SiO2 (BAS) glasses as an interlayer was achieved in air at 1400 degrees C. The Al18B4O33 whiskers were generated in the joining seam during the joining process, thus strongly improving the HT strength. The flexural strength of the joint after the thermal cycle test at 1200 degrees C could still reach 84 % of that at room temperature (RT). The joining mechanism was mainly addressed from the perspective of the in-situ growth of whiskers.

引用

页数：4

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