Analysis and influence of acetylene and propane gas during oxyfuel gas cutting of 1045 carbon steel |
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Authors: | Patricia Muñoz-Escalona Maria Carolina Payares Minerva Dorta Ronald Diaz |
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Affiliation: | (1) Departamento de Mecánica, Universidad Simón Bolívar, Caracas, Venezuela |
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Abstract: | Many metal-manufacturing industries include oxyfuel cutting among their manufacturing processes because cutting and welding
are often required in metal-cutting processes, specifically in the fabrication of pressure vessels and storage tanks. The
oxyfuel cutting process uses controlled chemical reactions to remove preheated metal by rapid oxidation in a stream of pure
oxygen. Previous research has demonstrated that metal cutting surfaces varied depending on the gas used for the combustion
as well as the cutting speed (Vc) used during the process. In this research, AISI 1045 carbon steel was cut using an oxyacetylene
and an oxypropane cutting process. Different tests, such as surface roughness, cut drag displacement, groove width, microhardness,
and microstructure, were used to analyze the influence of the Vc and the combustion flame (oxyacetylene and oxypropane). The
results showed, in general, better cut surfaces when using propane gas. Also, it was demonstrated that oxyacetylene cutting
is almost 85% more expensive than oxypropane cutting. |
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Keywords: | acetylene oxyfuel gas cutting propane steel |
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