PHYSICOCHEMICAL STUDY OF ALUMOCHROMIUM-CONTAINING
REFRACTORIES DEVELOPED BY SELF-PROPAGATING
B. N. Satbaev,
A. I. Koketaev,
É. O. Aimbetova,
N. T. Shalabaev,
and S. B. Satbaev
Translated from Novye Ogneupory, No. 6, pp. 53 – 56, June, 2016.
Original article submitted February 29, 2016.
Results are given for a study of the main physicochemical properties of a new alumochromium-containing re
fractory composition developed by self-propagating high-temperature synthesis. The basis of the chemically
stable refractory materials obtained is production waste, i.e., ferrochrome slag, and chromite concentrate. The
good chemical stability, refractoriness, mechanical strength, hardness, and wear resistance govern the possi
bility of use in preparing corrosion-resistant, refractory objects, plasters, and concretes.
Keywords: ferrochrome slag, chromite concentrate, chemically stable refractories, waste, metallurgical
Performance of comprehensive physicochemical re-
search of properties and processes occurring at different tem-
peratures in original refractory components and their mix-
tures makes it possible to create a scientifically based ap-
proach for selection of synthesis conditions for new refrac-
tory materials with prescribed properties.
In view of the fact that there has been a steady increase
in demand for high quality refractory materials, development
of scientific bases of preparation technology for new domes
tic refractory materials based on local material resources and
metallurgical industry waste is an important task of funda
The main requirements of metallurgists and other users
for refractory materials are improvement in heating unit lin
ing operating life and metal quality. For total satisfaction of
these specifications it is necessary to create a new generation
Recently the Astana branch of RGP National Center for
comprehensive processing of raw material of the Kazakhstan
Republic has developed new forms of highly efficient ce
ramic protective-strengthening SHS-coatings, concrete
mixes, and new generation of plasters for lining metallurgi
cal units, and also contemporary technology from applying
them to a lining. On the basis of preparing these materials an
approach has been suggested based on use of a thermo-
chemical process of self-propagating high-temperature syn-
thesis (SHS) occurring with heat liberation in an automatic
wave regime of the combustion type and leading to forma-
tion of solid products. Self-propagating high-temperature
synthesis is a promising resource saving and highly produc
tive method for preparing refractory inorganic compounds of
hard alloys and refractory materials .
In studying processes in gasless systems Merzhanov ,
Borovinskaya , and Shkiro  have demonstrated the pos
sibility of synthesizing a broad range of refractory inorganic
compounds, carbides, borides, silicides, etc., in a combustion
regime (SHS-regime) [2, 3].
Subsequently for synthesis other elements (non-refrac
tory, liquid, and gaseous) have been used. A general chemi
cal scheme for the SHS process has the form
aX bY Z
X = Ti, Zr, Hf, V, Nb, Ta, Mo, W, etc.
Y = B, C, N, Si, S, Se, Al, etc.
Z = borides, carbides, nitrides, silicides, etc.
Refractories and Industrial Ceramics Vol. 57, No. 3, September, 2016
1083-4877/16/05703-0317 © 2016 Springer Science+Business Media New York
RGP National Center for Comprehensive Processing of Republic
of Kazakhstan Mineral Raw Materials, Astana, Kazakhstan Re