Title: Chemical interaction between SiAlON ceramics and iron-based alloys
Authors: Vleugels, Jef ×
Van der Biest, Omer #
Issue Date: 1998
Publisher: Trans Tech Publications
Series Title: Key engineering materials vol:138-140 pages:127-176
Abstract: The chemical compatibility of an YSiAlON cutting tool and a number of experimental SiAlON ceramics with iron-based alloys (binary alloys, steels and grey cast iron) is studied by means of static metal-ceramic interaction couples in vacuum in the temperature range 1000-1200 degrees C, with holding times long enough to be able to characterise the interaction layers. The metal-ceramic interaction is modelled and the influence of the ceramic and iron-based alloy composition on the reactivity is investigated. Furthermore, the relative tool wear of the ceramics when turning steel is compared with the predicted mechanical wear by abrasion, calculated from the mechanical properties of the ceramics, and the predicted chemical wear, estimated from equilibrium solubility calculations in pure iron. The relative crater and flank wear of the ceramics correlates well with the predicted chemical wear. The results of the interaction couples and the turning tests are compared.
ISSN: 1013-9826
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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