Direct additive manufacturing of TiCp reinforced Al2O3-ZrO2 eutectic functionally graded ceramics by laser directed energy deposition

被引：32

作者：

Wu, Dongjiang ^{[1
]}

Yu, Xuexin ^{[1
]}

Zhao, Ziyuan ^{[1
]}

Ma, Guangyi ^{[1
]}

Zhou, Cong ^{[2
]}

Zhang, Bi ^{[2
]}

Ren, Guanhui ^{[3
,4
]}

Han, Jun ^{[5
]}

Wang, Hong ^{[5
]}

Niu, Fangyong ^{[1
]}

机构：

[1] Dalian Univ Technol, Key Lab Precis & Nontradit Machining Technol, Minist Educ, Dalian 116024, Liaoning, Peoples R China

[2] Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Guangdong, Peoples R China

[3] Shenzhen Xinjinquan Precis Technol Co Ltd, Res & Dev Dept, Shenzhen 518055, Guangdong, Peoples R China

[4] Shandong Univ, Sch Mech Engn, Jinan 250061, Shandong, Peoples R China

[5] Dalian Med Univ, Dept Spine Surg, Dalian Municipal Cent Hosp, Dalian 116033, Peoples R China

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2023年 / 43卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Additive manufacturing; Ceramics; Laser directed energy deposition; Functionally graded ceramics; MICROSTRUCTURE; GROWTH; FABRICATION; COMPOSITES;

D O I：

10.1016/j.jeurceramsoc.2022.12.068

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：

Laser directed energy deposition (LDED) provides an ideal manufacturing technique to produce ceramic matrix composites, which are endows with superior and customizable mechanical properties by the reinforcement of gradient distribution of rigid particles. In this paper, we for the first time manufactured TiCp reinforced Al2O3- ZrO2 eutectic functionally graded ceramics with two different transition modes using LDED. The results show that the gradient transition realizes gradually increase of TiCp particles in Al2O3-ZrO2 eutectic matrix. With the increase of TiCp content, the morphology of Al2O3-ZrO2 eutectic matrix changes from lamellar or rod-shaped to irregular shape. Meanwhile, LDED realizes controllable fabrication of properties in different positions of gradient materials, and the wear resistance of TiCp rich regions has increased by 43.4% compared with pure Al2O3-ZrO2 region.

引用

页码：2718 / 2723

页数：6

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