Structural transformation of steel induced by application of oxyfuel gas cutting using acetylene and propane/butane mixture

Schauperl, Zdravko and Kožuh, Zoran and Kralj, Slobodan and Šnajdar, Mateja and Glogović, Zlatko (2012) Structural transformation of steel induced by application of oxyfuel gas cutting using acetylene and propane/butane mixture. = Structural transformation of steel induced by application of oxyfuel gas cutting using acetylene and propane/butane mixture. In: 12th International Foundrymen Conference, Opatija, Hrvatska.

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Abstract

In metal processing industry oxyfuel gas cutting is a widespread and common procedure for cutting steel. This procedure is usually the first operation in material preparation whose objective is producing cutting surface ready for the next operation, usually welding. Experimental part of this study deals with influence of oxyfuel gas cutting with use of acetylene and propane-butane mixture on microstructure and hardness of low- alloyed high-strength steel S960 QL. Significant differences in microstructure and hardness of cutting surfaces as well as heat-affected zone size have been determined for surfaces created by cutting with acetylene and those created by oxyfuel-cutting with use of propane-butane mixture. Decarburization along the edges of cutting surface has also been established regardless of type of gas used during cutting or of the fact that preheating was conducted.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): oxyfuel gas cutting, acetylene, propane - butane, microstructural changes
Subjects: TECHNICAL SCIENCE > Metallurgy
TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1000 Department of Materials > 1010 Chair of Materials and Tribology
1100 Department of Welded Structures > 1110 Chair of Welded Structures
Date Deposited: 21 Sep 2016 08:35
Last Modified: 21 Sep 2016 08:35
URI: http://repozitorij.fsb.hr/id/eprint/6618

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