Structural Features of Heavy-Duty Periclase-Spinellide Refractories Prepared from Chrome Ores of Different Origins

Yarushina, T. V.; Суворов, С. А.; Shatilov, O. F.; Koptelov, V. N.; Maryasev, I. G.

doi:10.1023/b:refr.0000046516.35254.99

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2004

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“…It has been shown in [1] that the Chrome ore of periclase-spinelid composition (recovered from the Bushveld Complex, Republic of South Africa) is a promising material for production of refractory components. Refractories based on this ore and tested for service in the slag zone and in the upper section of an argon-oxygen steel refining unit showed a thermal durability not inferior to that of refractory components available from foreign manufacturers.…”

Section: Introductionmentioning

confidence: 99%

Dispersity of the ferriferous chrome spinelid and composition of the filler as factors affecting the formation of structure in refractories

Суворов

Yarushina

2004

Refract Ind Ceram

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Physicomechanical properties of periclase-spinelid ceramics, in particular, the softening temperature under load and compressive strength, are shown to be controlled by the granular composition of the native ferriferous chrome spinelid. At relatively low concentration of CaO (0.51 -0.88 wt.%), SiO 2 (0.53 -1.33 wt.%), and ratio CaO/SiO 2 = 0.38 -1.36, the incipient deformation temperature under load does not exceed 1700°C.

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Section: Introductionmentioning

confidence: 99%