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High-Density Micro- and Nano-Grain Size Ceramics. Transition from Open into Closed Pores. Part 3. Workpiece Sintering without External Pressure1

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Refractories and Industrial Ceramics Aims and scope

An explanation of processes occurring during preparation of high-density micro- and nanogranular ceramics without using external pressure on the basis of published data is proposed. It is well known that pore growth commences after the start of transition of open into closed pores that begins with about 30 % open porosity. It is necessary to maintain open pores to the maximum possible sintered ceramic overall density. The article describes different methods of ceramic sintering making it possible to prepare high-density pore-free ceramics.

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Work was carried out with financial support of the RF Ministry of Education and Science within the scope of an agreement for supply of a subsidy of 09.27.2017 No. 14.574.21.0158.

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    A. V. Belyakov

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Parts 1 and 2 of the article published in Novye Ogneupory Nos. 11 and 12 (2019).

Translated from Novye Ogneupory, No. 1, pp. 39 – 50, January, 2020.

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Belyakov, A.V. High-Density Micro- and Nano-Grain Size Ceramics. Transition from Open into Closed Pores. Part 3. Workpiece Sintering without External Pressure1. Refract Ind Ceram 61, 40–49 (2020). https://doi.org/10.1007/s11148-020-00428-w

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  • DOI: https://doi.org/10.1007/s11148-020-00428-w

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