Scholarly record
IMPACT OF OUT-OF-FURNACE CAST IRON PROCESSING ON THE ENVIRONMENT
Abstract
Ductile iron is currently one of the most popular construction materials. Its mechanical properties are close to those of steel. The basic material in the production of ductile iron is gray iron, which can be produced in a cupola or in an electric induction or electric arc furnace. After tapping the gray cast iron from the furnace, the gray cast iron is processing into ductile iron. This process is called modification. Magnesium and its alloys and cerium are most often used as modifiers. In addition to the modification, the cast iron must then be inoculated. This paper deals with the impact of gray cast iron modification on the working environment. The experiments were performed in two foundries, where three modification technologies were used: the pouring method, the Tundisch cover and the Flottret method. The aim of the experiments was to determine how the individual modification methods affect the development of magnesium vapor, the content of carbon monoxide in the working environment and the temperature in the working environment. During the experiments, the CO content and temperature were measured before the modification itself, immediately after the modification and one hour after the modification. The greatest development of CO occurred after the modification. This was most significant in the pouring method. A similar situation occurred in the case of a change in temperature. Within one hour of the start of the modification, both the CO content and the ambient temperature returned to the original level before the modification.
Publication Impact Profile
- Captures
- Mendeley - Readers: 3
Publication details
References9
Hlebova, S., Ambrisko, L., Pesek, L., Strain Measurement in Local Volume by Noncontact Videoextensometric Technique on Ultra High Strength Steels, Key Engineering Materials, Vol.586, 2014, pp.129 � 132. DOI: 10.4028/www.scientific.net/kem.586.129
Ghost, S. Production aspects of spheroidal graphite iron, Special Metal Casting and Forming Processes, CAFP 2008, pp. 38 � 51.
Bockus, S., Dobrovolskis, A., Melting and modification by producing ductile iron castings, Proc. Estonian Acad, Sci Eng., 2004, 10,1, pp.10 -17. DOI: 10.3176/eng.2004.1.02
Olawale, J.,O., Ibitoye, S.A., Oluwasegun, K.M., Techniques and Productions of Ductile Iron: A Review, IJSER, 2016, volume 7, Issue 9, pp. 397
Vondrak, V., Hampl, J., Hanus,A., Metallurgy of cast irons. Out-of-furnace processing of molten cast irons, VSB Ostrava, 2014.
Fedorko, G., Pribulova,A., Futas,P., Baricova,D., Demeter,P.,Compacting of fly dust from cupola and electric arc furnace, Metalurgija, 51, 1, 2012, pp. 63 � 66.
Malindzak,D., Saderova,J., Vitko,D., Malindzakova, M., The methodology and model for in.process inventories calculation in the conditions of metallurgy production, Metalurgija, 54, 1, 2015, pp.227 � 230.
Jonsta,P., Machovcak,P., Susovsky,M., Trefil,A., Brozova,S., Drapala, J.,The influence of cerium on the microstructure optimization of 42CrMo4 steel, Metal, 2014, May 21 � 23 2014, pp.564 � 568.
Kiss,I., Comparative study on the In-Ladle treatment techniques for nodulizing the iron?s graphite, Technical Journal. 15, 4, 2021, pp.504 � 509. DOI: 10.31803/tg-20210209111953
View or Download full articleAccess options
SWS access login
Login as SWS Scientific CommitteeLogin as SWS Scientific PartnerLogin as SWS AuthorAuthors and approved SWS contributors will read and export their own linked papers after identity matching by SWS profile, email and SGEM GlobalID.
For librarian assistance: [email protected]
Purchase Instant Access
- Article can be downloaded after successful payment.
- Article may be used according to SWS library access terms.
- Article cannot be redistributed.