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Effect of Additives on the Pressureless Sintering of Aluminum Nitride between 1500° and 1800°C
Author(s) -
Troczynski Thomas B.,
Nicholson Patrick S.
Publication year - 1989
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1989.tb07684.x
Subject(s) - sintering , materials science , pressureless sintering , nitride , grain size , oxide , aluminium , aluminium oxide , metallurgy , mineralogy , grain growth , thermal conductivity , chemical engineering , composite material , chemistry , layer (electronics) , engineering
Combined oxide additives (Y 2 O 3 , CaO, La 2 O 3 , CeO 2 , SiO 2 , TiO 2 , and Fe 2 O 3 ) were investigated as AIN sintering aids. AIN can be fully sintered at 1600°C to substantial thermal conductivity (92 W/(m·K)) using a multiple sintering aid of Y 2 O 3 , CaO, SiO 2 , La 2 O 3 , and CeO 2 . This lowtemperature material has small grain size (1 to 3 μm).