ABSTRACT
Refractories are used at elevated temperatures for structural purposes, and they
are used in many cases to contain a high-temperature corrosive environment.
This corrosive environment usually contains liquid (melted) phases that partici-
pate in chemical reactions with the refractory at elevated temperatures resulting
in refractory consumption or wear. It is usually not immediately obvious, but the
oxidation and reduction state of the environment (as “redox” conditions or oxy-
gen “activity”) can participate in and influence the chemical reactions that take
place. Along with chemical reactions during corrosion, physical changes occur
that may be accelerated by the corrosion process.
