Microstructure and Thermal Conductivity of AlN Ceramic with Eliminated Grain Boundary Phase

K. Watari; H. Nakano; T. Tsugoshi; T. Nagaoka; K. Urabe; S. Cao; K. Mori; K. Ishizaki

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Microstructure and Thermal Conductivity of AlN Ceramic with Eliminated Grain Boundary Phase

机译：消除晶界相的AlN陶瓷的微观结构和导热性

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An AlN ceramic with very high thermal conductivity at room temperature of 272 Wm~(-1)K~(-1), which is slightly lower than value of a high purity single crystal, was obtained by sintering at 2173 K for 100 h under reduced N_2 atmosphere. The temperature dependence (4 to 1000 K) of conductivity of the ceramic was investigated, and was discussed in combination with calculated phonon mean free path.

机译：通过在2173 K下烧结100 h，在室温下获得272 Wm〜（-1）K〜（-1）的导热系数非常高的AlN陶瓷，该值略低于高纯度单晶的值。减少N_2气氛。研究了陶瓷电导率的温度依赖性（4至1000 K），并结合计算的声子平均自由程进行了讨论。

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来源
《Key Engineering Materials》 |2003年第2003期|p.361-364|共4页
作者
K. Watari; H. Nakano; T. Tsugoshi; T. Nagaoka; K. Urabe; S. Cao; K. Mori; K. Ishizaki;
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作者单位

National Institute of Advanced Industrial Science and Technology, Shimo-shidami, Moriyama-ku, Nagoya 463-8560, Japan;

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原文格式 PDF
正文语种 eng
中图分类工程基础科学;
关键词
AlN; temperature dependence; thermal conductivity;

机译：AlN;温度依赖性;导热系数;

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专利

1. Thermal Conductivity Improvement of YAG Added AlN Ceramics in the Grain Boundary Elimination Process [J] . Mitsuo Kasori, Fumio Ueno Journal of the European Ceramic Society . 1995,第5期

机译：消除晶界过程中添加YAG的AlN陶瓷的导热系数的提高
2. Thermal conductivity of AIN ceramic with a very low amount of grain boundary phase at 4 to 1000 K [J] . Koji Watari, Hiromi Nakano, Kazuyori Urabe Journal of Materials Research . 2002,第11期

机译：在4至1000 K时具有极少量晶界相的AIN陶瓷的热导率
3. Study on microstructure and thermal conductivity of Spark Plasma Sintering AlN ceramics [J] . Xiulan He, rnFeng Ye, rnHaijiao Zhang, Materials & design . 2010,第9期

机译：等离子烧结AlN陶瓷的微观结构和导热性能研究
4. Microstructure and Thermal Conductivity of AlN Ceramic with Eliminated Grain Boundary Phase [C] . K. Watari, H. Nakano, T. Tsugoshi, International Symposium on Advanced Ceramics . 2003

机译：AlN陶瓷与消除晶界阶段的微观结构和热导率
5. Effect of solid solutions and second phases on the thermal conductivity of zirconium diboride ceramics. [D] . Harrington, Gregory John Kenneth. 2014

机译：固溶体和第二相对二硼化锆陶瓷导热系数的影响。
6. Thermal Conductivity and High-Frequency Dielectric Properties of Pressureless Sintered SiC-AlN Multiphase Ceramics [O] . Jialin Gu, Lingling Sang, Bo Pan, 2018

机译：无压烧结SiC-AlN多相陶瓷的导热系数和高频介电性能
7. Thermal conductivity measurement at the micrometer scale of ceramics using thermoreflectance technique —High-thermal-conductivity AlN with reduced amount of grain boundary phase— [O] . Sang-Kee LEE, Ikuko YAMADA, Shoichi KUME, 2008

机译：使用热射频技术的陶瓷测量仪的热导电测量 - 高导热率ALN，晶界相减少 -
8. Ordering and Grain Boundary Effects on Ionic Conductivity in ZrO sub 2 -Gd sub 2 O sub 3 and ZrO sub 2 -Nd sub 2 O sub 3 Ceramics [R] . van Dijk, T. 1981

机译：ZrO sub 2 -Gd sub 2 O sub 3和ZrO sub 2 -Nd sub 2 O sub 3陶瓷中离子电导率的排序和晶界效应

Microstructure and Thermal Conductivity of AlN Ceramic with Eliminated Grain Boundary Phase

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