The GaNMn3-Epoxy composites with tunable coefficient of thermal expansion and good dielectric performance

被引：34

作者：

Lin, Jianchao ^{[1
]}

Tong, Peng ^{[1
]}

Zhang, Kui ^{[1
]}

Ma, Xiaohang ^{[1
]}

Tong, Haiyun ^{[1
]}

Guo, Xinge ^{[1
]}

Yang, Cheng ^{[1
]}

Wu, Ying ^{[1
]}

Wang, Meng ^{[1
]}

Lin, Shuai ^{[1
]}

Song, Wenhai ^{[1
]}

Sun, Yuping ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China

[2] Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China

[3] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2017年 / 146卷

基金：

中国国家自然科学基金;

关键词：

Polymer-matrix composites (PMCs); Intermetallics; Negative thermal expansion; Electrical properties; Thermal properties; EPOXY COMPOSITES; POLYMER NANOCOMPOSITES; MECHANICAL-PROPERTIES; CONSTANT; FILLER; TEMPERATURE; MANGANESE; BEHAVIOR;

D O I：

10.1016/j.compscitech.2017.04.028

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

GaNMn3/Epoxy composites were prepared by using negative thermal expansion GaNMn3 powders as the metallic filler. By increasing the loading level of GaNMn3 powders, the hardness and heat conductivity were improved comparing with that of neat epoxy. When the loading level lies in 42 vol.% - 58 vol.% for GaNMn3-0.7 mu m and 26 vol.% - 43 vol.% for GaNMn3-2.3 gm, the composites present low thermal expansion (the absolute value of linear thermal coefficient is less than 10 ppm/K), weak dielectric loss (less than 0.04), and the dielectric constants exceed 25, exhibiting great potential for applications in embedded-capacitor fields. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：177 / 182

页数：6

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