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Influence of Aluminum–Oxygen–Yttrium Solid Solution on the Aqueous Tribological Behavior of Silicon Nitride
Author(s) -
Satoh Takeshi,
Sakaguchi Shuji,
Hirao Kiyoshi,
Toriyama Motohiro,
Kanzaki Shuzo
Publication year - 2001
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.1151-2916.2001.tb00680.x
Subject(s) - yttrium , materials science , tribology , sialon , solid solution , aqueous solution , aluminium , nitride , silicon nitride , crystal structure , friction coefficient , oxygen , silicon , ceramic , metallurgy , composite material , chemical engineering , mineralogy , crystallography , chemistry , organic chemistry , layer (electronics) , engineering , oxide
To investigate the influence of crystal structure and solid solutions of certain elements in Si 3 N 4 on aqueous tribological properties, seven specimens were fabricated. Solid solutions of aluminum and oxygen made the friction coefficient and wear increase in both α‐type and β‐type crystal structures. In particular, α‐SiAlON, in which yttrium is also incorporated into the α‐Si 3 N 4 lattice, showed a higher friction coefficient and wear than other specimens containing the same concentration of Al or O.