Preparation and mechanic properties of multi-wall carbon nanotube reinforced alumina matrix composites by spray drying and hot-pressing sintering

被引：3

作者：

Tan, Songlin ^{[1
]}

Zhuang, Yongqi ^{[1
]}

Yi, Jianhong ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2021年 / 8卷 / 06期

基金：

中国国家自然科学基金;

关键词：

multi-wall carbon nanotube; alumina matrix composite; mechanical properties; spray drying; hot-pressing sintering; FRACTURE-TOUGHNESS; NANOCOMPOSITE; STRENGTH;

D O I：

10.1088/2053-1591/ac0a01

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The multi-wall carbon nanotube (MWCNT) reinforced alumina (Al2O3) matrix composites were fabricated by spray drying and vacuum hot-pressing sintering. The mechanical properties of the composites with different mass fractions of MWCNT were studied. The flexural strength and fracture toughness of the composite were 498.3 MPa and 5.69 MPa center dot m (1/2), respectively, which were about 55.3% and 84.7% higher than that of pure Al2O3. With the increase in the content of MWCNT, the Vickers hardness and relative density of the composite decreased gradually. The correlation between the microstructure and the mechanical properties of the composite was analyzed.

引用

页数：8

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