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

Authors

  • Jozef Petrí­k Technical University of Košice, Faculty of Materials, Metallurgy and Recycling, 042 00, Slovakia
  • Peter Blaško Technical University of Košice, Faculty of Materials, Metallurgy and Recycling, 042 00, Slovakia
  • Vojtech Mikloš Technical University of Košice, Faculty of Materials, Metallurgy and Recycling, 042 00, Slovakia
  • Alena Pribulová Technical University of Košice, Faculty of Materials, Metallurgy and Recycling, 042 00, Slovakia
  • Peter Futaš Technical University of Košice, Faculty of Materials, Metallurgy and Recycling, 042 00, Slovakia
  • Andrea Vasilňková Technical University of Košice, Faculty of Materials, Metallurgy and Recycling, 042 00, Slovakia
  • Marek Šolc Technical University of Košice, Faculty of Materials, Metallurgy and Recycling, 042 00, Slovakia

DOI:

https://doi.org/10.30544/512

Keywords:

grinding; iron slag; ISE; micro-hardness.

Abstract

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.

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Published

2020-09-30

How to Cite

Petrí­k, Jozef, Peter Blaško, Vojtech Mikloš, Alena Pribulová, Peter Futaš, Andrea Vasilňková, and Marek Šolc. 2020. “The Load Dependence of the Micro-Hardness of the Blast Furnace Slag”. Metallurgical and Materials Engineering 26 (3):329-40. https://doi.org/10.30544/512.

Issue

Vol. 26 No. 3 (2020)

Section

Research

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Copyright (c) 2020 jozef Petrík, Peter Blaško, Vojtech Mikloš, Alena Pribulová, Peter Futaš, Andrea Vasilňaková, Marek Å olc

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