The load dependence of the micro-hardness of the blast furnace slag

The load dependence of the micro-hardness of the blast furnace slag

Deposits of old blast-furnace slag are an environmental problem. The slag’s hardness is an important for calculation of the energy cost for crushing and grinding process. Due to its porosity, measurement of the (macro) hardness is. To adapt the dimensions of the indentations to the character of the...

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Veröffentlicht in:Metallurgical & materials engineering 2020-01, Vol.26 (3), p.329-340
Hauptverfasser: Petrík, Jozef, Blaško, Peter, Mikloš, Vojtech, Pribulová, Alena, Futaš, Peter, Vasilňaková, Andrea, Šolc, Marek
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container_end_page 340
container_issue 3
container_start_page 329
container_title Metallurgical & materials engineering
container_volume 26
creator Petrík, Jozef
Blaško, Peter
Mikloš, Vojtech
Pribulová, Alena
Futaš, Peter
Vasilňaková, Andrea
Šolc, Marek
description Deposits of old blast-furnace slag are an environmental problem. The slag’s hardness is an important for calculation of the energy cost for crushing and grinding process. Due to its porosity, measurement of the (macro) hardness is. To adapt the dimensions of the indentations to the character of the slag, it is necessary to apply loads in the range of micro-hardness. The purpose of this paper is to evaluate the influence of load on the micro-hardness - the Indentation Size Effect (ISE) using Meyer’s, Hays-Kendall and PSR methods. ISE for all samples is “normal”, the slag’s basicity affects micro-hardness and ISE.
doi_str_mv 10.30544/512
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