AbstractAbout AuthorsReferences
The process of mechanochemical synthesis of composite anhydrite binders using various metallurgical slags is considered. It has been established that during the joint grinding of the components of a composite binder in an energy-intensive centrifugal impact mill, mechanocomposites are formed in the mixture. Mechanocomposites are metastable structures with a high density of interfacial boundaries between the initial components, which provides a very high concentration of defects and active centers of various nature. When grinding a mixture of anhydrite and metallurgical slag, a mechanocomposite was obtained, which is a CaSO4–CaO–Al2O3 or CaSO4–CaO–SiO2 system and consists of calcium aluminates, silicates and aluminosilicates. This mechanocomposites are activators of the hardening process of the anhydrite component of the composite binder due to the formation of calcium and aluminum hydroxides and calcium hydroaluminates during their hydration. The effect of the chemical composition of metallurgical slag on the strength characteristics of a composite anhydrite binder has been established.
M.S. GARKAVI1, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
A.V. ARTAMONOV1, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
E.V. KOLODEZHNAYA2, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
S.A. DERGUNOV3, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
S.V. SERIKOV3, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)
A.V. ARTAMONOV1, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
E.V. KOLODEZHNAYA2, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
S.A. DERGUNOV3, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
S.V. SERIKOV3, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)
1 Ural-Omega, PJSC (89, Building 7, Lenina Avenue, Magnitogorsk, 455037, Russian Federation)
2 Institute of Comprehensive Exploitation of Mineral Resources Russian Academy of Sciences (4, Kryukovskiy Impasse, Moscow, 111020, Russian Federation)
3 Orenburg State University (13, Pobedy Avenue, Orenburg, 460018, Russian Federation)
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14. Ancharov A.I. Mekhanokompozity – prekursory dlya sozdaniya materialov s novymi svoistvami [Mechanocomposites as precursors for creating materials with new properties]. Novosibirsk: Publishing house of SO RAN. 2010. 424 p.
15. Smolyakov V.K., Lapshin O.V. Makroskopicheskaya kinetika mekhanokhimicheskogo sinteza: monografiya [Macroscopic kinetics of mechanochemical synthesis: monograph]. Tomsk: Publishing House of the Institute of Atmospheric Optics SB RAS, 2011. 192 p.
16. Budnikov P.P., Zorin S.P. Anhydrite cement [Anhydrite cement]. Moscow: Promstroyizdat. 1954. 93 p.
17. Garkavi M.S., Dergunov S.A., Serikov S.V. Formation of the structure of composite cement in the grinding process. Stroitel’nye Materialy [Construction Materials]. 2021. No. 10, pp. 65–68. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2021-796-10-65-68
18. Baidarashvili M.M., Sakharova A.S. Study of the sorption properties of materials using the physicochemical method of distribution of adsorption centers. Sorbtsionnyye i khromatograficheskiye protsessy. 2020. Vol. 20. No. 1, pp. 87–94. (In Russian).
19. Sychev M.M. [Hardening of binders]. Leningrad: Stroyizdat (Leningrad branch). 1974. 80 p.
20. Kuznetsova T.V., Sychev M.M., Osokin A.P. and others. Spetsial’nye tsementy: Uchebnoe posobie dlya vuzov [Special cements: Textbook for universities]. St. Petersburg: Stroyizdat. 1997. 314 p.
2. Nurieva E.M., Bakhtin A.I., Denisov I.G., Galleev A.A., Altykis M.G., Khaliullin M.I., Rakhimov R.Z. On the mechanism of influence of mineral and chemical additives on the hydration process of gypsum binder based on anhydrite (CaSO4 II). Izvestiya vuzov. Stroitel’stvo. 1999. No. 1, pp. 56–62. (In Russian).
3. Altykis M.G., Rakhimov R.Z., Khaliullin M.I., Morozov V.P. Development of theoretical foundations and creation of a new generation of high-quality, economical and environmentally friendly gypsum binders and materials. Increasing the efficiency of production and use of gypsum materials and products. Moscow. 2002, pp. 138–142. (In Russian).
4. Gordina A.F., Polyanskikh I.S., Tokarev Yu.V., Buryanov A.F., Senkov S.A. Water-resistant gypsum materials modified with cement, microsilica and nano-structures. Stroitel’nye Materialy [Construction Materials]. 2014. No. 6, pp. 35-37. (In Russian).
5. Petropavlovskaya V.B., Belov V.V., Novichenkova T.B. Maloenergoyemkiye gipsovyye stroitel’nyye kompozity: monografiya [Low-energy gypsum building composites: monograph]. Tver: TVGTU. 2014. 136 p.
6. Klimenko V.G. Anhydrite hardening activators based on gypsum heat treatment products. Izvestiya vuzov. Stroitel’stvo. 2011. No. 4 (628), pp. 21–28. (In Russian).
7. Fisher H.-B., Vtorov B.B., Buryanov A.F. Study of the effect of multicomponent hardening activators on the properties of natural anhydrite. Stroitel’nye Materialy [Construction Materials]. 2023. No. 1–2, pp. 63–68. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2023-810-1-2-63-68
8. Buryanov A.F., Fisher H.-B., Gal’tseva N.A., Machortov D.N., Hasanshin R.R. Research in the influence of various activating additives on the properties of anhydrite binder. Stroitel’nye Materialy [Construction Materials]. 2020. No. 7, pp. 4–9. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2020-782-7-4-9
9. Batova M.D., Semenova Yu.A., Gordina A.F., Yakovlev G.I., Buryanov A.F., Stevens A.E., Begunova E.V. Structure and properties of gypsum compositions with mineral dispersed additives. Stroitel’nye Materialy [Construction Materials]. 2021. No. 10, pp. 49–53. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2021-796-10-49-53
10. Sulimenko L.M., Shalunenko N.I., Urkhanova L.A. Mechanochemical activation of binder compositions. Izvestiya vuzov. Stroitel’stvo. 1995. No. 11, pp. 63–68. (In Russian).
11. Avvakumov E.G., Gusev A.A. Mekhanicheskie metody aktivatsii v pererabotke prirodnogo i tekhnogennogo syr’ya [Mechanical methods of activation in the processing of natural and technogenic raw materials]. Novosibirsk: “Geo”. 2009. 155 p.
12. Prokofiev V.Yu., Gordina N.E. Processes of grinding and mechanochemical activation in the technology of oxide ceramics (review). Steklo i keramika. 2012. No. 2, pp. 29–34. (In Russian).
13. Ivashchenko Yu.G., Evstigneev S.A., Strakhov A.V. The role of fillers and modifiers in the formation of the structure and properties of composites based on gypsum binder. Reliability and durability of building materials, structures and foundations: Proceedings of the VI International Scientific and Technical Conference. Volgograd: VolGASU. 2011, pp. 159-162. (In Russian).
14. Ancharov A.I. Mekhanokompozity – prekursory dlya sozdaniya materialov s novymi svoistvami [Mechanocomposites as precursors for creating materials with new properties]. Novosibirsk: Publishing house of SO RAN. 2010. 424 p.
15. Smolyakov V.K., Lapshin O.V. Makroskopicheskaya kinetika mekhanokhimicheskogo sinteza: monografiya [Macroscopic kinetics of mechanochemical synthesis: monograph]. Tomsk: Publishing House of the Institute of Atmospheric Optics SB RAS, 2011. 192 p.
16. Budnikov P.P., Zorin S.P. Anhydrite cement [Anhydrite cement]. Moscow: Promstroyizdat. 1954. 93 p.
17. Garkavi M.S., Dergunov S.A., Serikov S.V. Formation of the structure of composite cement in the grinding process. Stroitel’nye Materialy [Construction Materials]. 2021. No. 10, pp. 65–68. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2021-796-10-65-68
18. Baidarashvili M.M., Sakharova A.S. Study of the sorption properties of materials using the physicochemical method of distribution of adsorption centers. Sorbtsionnyye i khromatograficheskiye protsessy. 2020. Vol. 20. No. 1, pp. 87–94. (In Russian).
19. Sychev M.M. [Hardening of binders]. Leningrad: Stroyizdat (Leningrad branch). 1974. 80 p.
20. Kuznetsova T.V., Sychev M.M., Osokin A.P. and others. Spetsial’nye tsementy: Uchebnoe posobie dlya vuzov [Special cements: Textbook for universities]. St. Petersburg: Stroyizdat. 1997. 314 p.
For citation: Garkavi M.S., Artamonov A.V., Kolodezhnaya E.V. Dergunov S.A., Serikov S.V. Mechanochemical synthesis of composite anhydrite binders. Stroitel’nye Materialy [Construction Materials]. 2023. No. 10, pp. 52–57. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2023-818-10-52-57