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Abstract. Drop damage resistance is experimentally found and breaking stress is determined in radial compression tests for green and dry chrome concentrate briquettes. The paper studies the influence of compaction pressure and the amount of the binder on compactibility in the testing of cylindrical briquettes. The aim of the study is to determine optimal briquetting process conditions for the production of high-quality metallurgical briquettes by roll briquetting.

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In this study, the calculation results of the briquette stress state by the Finite element method are presented. The fields of compressive and tensile stresses in briquette are determined. The conditions affecting the process of the briquette destruction are considered.

The aim of the study is to determine the strain state of a briquette during the compacting process. Modeling is performed with the use of a software system for the compaction process. Gurson's yield condition for a plastically compressible continuum is applied. A comparison of the known experimental data is made, and it shows good qualitative convergence results.