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  1. No Access

    Article

    Basic parameters in vibropressing large dinas quartzite cement blocks

    A laboratory apparatus has been built for vibropressing specimens (cubes with 7-cm edge), which has been used to examine how the main parameters for Dinas-quartzite material and pressing modes affect the prope...

    V. L. Karasik, A. D. Uchitel', A. F. Vavilov, D. P. Strizhev… in Refractories (1990)

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    Article

    Vibroformed dinas-quartzite refractory concrete parts

    The possibility of production of vibroformed dinas-quartzite parts with properties practically no different from those rammed with manual pneumatic rammers and meeting TU 14-8-129-74 has been shown.

    V. L. Karasik, T. N. Kuz'mina, A. V. Shiron, D. P. Strizhev, T. V. Kotkina… in Refractories (1989)

  3. No Access

    Article

    Periclase-spinel-forsterite concrete blocks for the slag belt of the walls of soaking pits

    The possibility has been established of production of periclase-spinel-forsterite concrete blocks with increased structural strength at 1400–1450°C and resistant to the action of of molten iron slag.

    V. L. Karasik, E. M. Bauman, A. V. Shiron, A. I. Evtushenko, L. G. Chechun… in Refractories (1989)

  4. No Access

    Article

    Use of large magnesiospinellide concrete parts soaking pit hearths

    A method of production of large magnesiospinellide concrete parts for soaking pit hearths based on slag- and iron-impregnated scrap of magnesia refractories has been introduced in Khristoforovka Refractory Blo...

    V. L. Karasik, T. V. Kotkina, E. M. Bauman, Yu. D. Sagaleyich… in Refractories (1988)

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    Article

    Corundum-silicon carbide-bearing concrete parts made using a liquid glass binder

    Using the method of simplex-grid experimental planning and the generalized function of desirability, we determined the range of optimum composition of liquid glass bonded corundum-silicon carbide-bearing concr...

    V. L. Karasik, T. N. Kuz'mina, T. V. Kotkina, A. V. Shiron, L. G. Chechun… in Refractories (1988)

  6. No Access

    Article

    Kinetics of the combustion of carbon in graphite chamotte articles

    When graphite-containing articles are heated from 800 to 1600°C, the oxidation of carbon occurs in three stages: under conditions where there is no liquid phase (up to 1080°C); under conditions of the formatio...

    V. L. Karasik, V. G. Moskalenko in Refractories (1986)

  7. No Access

    Article

    An analysis of the reasons for the increased wear of the walls of the soaking pits of the 1150 slabbing mill of Il'ich plant

    It has been established that the increased wear of the silica refractory parts (concrete blocks and brick) in the soaking pit walls of the 1150 slabbing mill is caused by chemical interaction of the iron-manga...

    V. L. Karasik, T. N. Kuz'mina, Zh. I. Rozhdestvenskaya, D. I. Isirov… in Refractories (1986)

  8. No Access

    Article

    Selecting silicon-carbide concrete compositions with predetermined properties

    Using the simplex-lattice planning method and the generalized preference function we located the optimum region of compositions for silicon-carbide concretes with predetermined properties and the minimum cost.

    V. L. Karasik, T. V. Kotkina in Refractories (1985)

  9. No Access

    Article

    A waterglass binder for the production of vibroformed large magnesia spinellide concrete parts

    A composition of waterglass binder of the mixture making it possible to produce large magnesia spinellide concrete parts with a compressive strength of 15–17 MPa by vibroforming was selected. The basic paramet...

    V. L. Karasik, T. N. Kuz'mina, T. V. Kotkina, T. V. Kukatova, L. G. Chechun… in Refractories (1985)

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    Article

    Selection of the optimum composition of production binder in unfired graphite-chamotte parts with an increased carbon content

    The density and strength of graphite-chamotte parts depend upon the character of the structure of the compact, which is dependent upon the amount of applied pressing pressure and also the content and form of t...

    V. L. Karasik, V. G. Moskalenko in Refractories (1985)

  11. No Access

    Article

    Refractory concrete parts for edging the walls of soaking pits

    The technicoeconomic desirability of replacing chamotte brick in the edge of soaking pits with concrete parts of bauxite or of a mixture of commercial grade chamotte and silicon carbide part scrap using high-a...

    V. L. Karasik, T. V. Kotkina, N. S. Roi, V. I. Kozdoba, E. M. Bauman… in Refractories (1984)

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    Article

    Magnesia spinel concrete with metallic inclusions for the bottoms of soaking pits

    We established the cost-benefit advantages of the use of magnesia spinel waste (scrap) with metallic inclusions as a filler for making refractory concrete suitable for lining the bottoms of soaking pits.

    V. L. Karasik, V. I. Kozdoba, N. S. Roi, V. G. Moskalenko, E. M. Bauman… in Refractories (1980)

  13. No Access

    Article

    Temperature field of the quartz-graphite lining of steelcasting ladles

    The temperature field of the rammed quartz-graphite lining of a 34-ton steelcasting ladle was analyzed by electrical simulation.

    S. I. Shcheglov, A. N. Minaev, V. L. Karasik, S. V. Ryabushko… in Refractories (1977)

  14. No Access

    Article

    A high-strength graphite-silica ramming compound

    The slag resistance of a silica ramming compound increases more than twofold with the addition of 10% graphite.

    S. I. Shcheglov, V. L. Karasik, S. N. Derkach, É. A. Khoinyak… in Refractories (1975)

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    Anisotropic expansion of siliceous refractories

    During a study of the bloating of siliceous bodies we detected anisotropic expansion of the refractories and established its cause. Controlled regulation of the bloating of refractories is found to be possible.

    S. I. Shcheglov, V. L. Karasik in Refractories (1972)

  16. No Access

    Article

    After-expansion of semiacid products

    S. I. Shcheglov, V. L. Karasik, T. K. Barkalova, L. D. Pilipchatin in Refractories (1969)

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    Article

    Semiacid ladle brick based on low-fired chamotte, quartz sand, and Ch1PK clay

    Dense semiacid products based on low-fired chamotte can be obtained by adding 15–30% quartz sand to the batch. The articles need to be fired at 1260±30–40°C. Firing at temperatures above 1300° and below 1230 e...

    S. I. Shcheglov, V. L. Karasik, T. K. Barkalova, L. D. Pilipchatin… in Refractories (1969)

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    Article

    Service of semiacid expanding ladle brick

    An experimental ladle brick made from semiacid Chasov Yar clays differs from ordinary brick because of its greater density and strength. The feature of the experimental products is the expansion of up to 6% in...

    S. I. Shcheglov, V. L. Karasik, T. K. Barkalova, L. D. Pilipchatin… in Refractories (1968)