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Research Output

1992

A critical literature survey on the deoxidation parameters of boron and titanium

Holappa, L., 1992, Espoo.

Research output: Working paperProfessional

Combined model of deoxidation and reoxidation in ladle treatment

Mu, D. & Holappa, L., 1992, Scaninject VI, 6th International Conference on refining Processes, Luulaja, Ruotsi.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Hiili-injektio masuunissa

Suomi, M-L. & Holappa, L., 1992, Otaniemi.

Research output: Working paperProfessional

Measurement of activities of chromium oxides in CaO-SiO2-CrOx slags at steelmaking temperatures

Xiao, Y. & Holappa, L., 1992, 4th International Conference on Molten Slags and Fluxes, Sendai, Japan, 8.-10.6.1992.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

One Slag Practice in the AOD Process

Holappa, L., 1992, Otaniemi.

Research output: Working paperProfessional

Potential-equivalence ionic composition for molten salts and slags

Zou, Z. & Holappa, L., 1992, 4th International Conference on Molten Slags and Fluxes, Sendai, Japan, 8.-10.6.1992.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Prediction of solute microsegregation

Miettinen, J. & Holappa, L., 1992, Examples of European Expertise in the Computer Simulation of Solidification. Lacaze, J. T., Cross, M. & Rappaz, G. (eds.).

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

Process Simulation and Programming in Metallurgy

Holappa, L., Andersin, E. & Lahtinen, M., 1992, The Fourth Biennial Conference and Workshop on Computer Software for Chemicals and Extractive Metallurgy Calculations, Missouri-Rolla, 7.-10.10.1992.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Real-time simulation of heat transfer in continuous and strip casting

Louhenkilpi, S. & Holappa, L., 1992, Examples of European expertise in the Computer Simulation of Solidification and Casting. Lacaze, J. T., Cross, M. & Rappaz, G. (eds.).

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

Thermodynamic study on slags for ferro-chromium production

Xiao, Y. & Holappa, L., 1992, The 5th Japan-Nordic Countries Symposium on Science and Technology of Process Metallurgy, Espoo, 14.-15.9.1992. Tukholma: Metallurgian laboratorio ja Jernkontoret

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Uusi teknologia romun sulatuksessa

Holappa, L., 1992, Otaniemi.

Research output: Working paperProfessional

Yksikuonapraktiikka AOD-prosessissa.Väliraportti

Holappa, L., 1992, Otaniemi.

Research output: Working paperProfessional

1993

Activity determination in chromium oxides containing slags

Holappa, L., 1993, In : ISIJ International. 33, 1, p. 66-74

Research output: Contribution to journalArticleScientificpeer-review

Activity measurements using Knudsen-Effusion cell-quadrupole mass spectrometer.

Holappa, L., 1993, Otaniemi.

Research output: Working paperProfessional

Fluspaatin korvaaminen kotimaisella raaka-aineella terästeollisuudessa.

Holappa, L., 1993, Otaniemi.

Research output: Working paperProfessional

Heating and melting of metallized wustite pellet immersed in liquid slag.

Holappa, L., 1993, Otaniemi.

Research output: Working paperProfessional

Improvement of productivity and quality in continuous casting of steel

Kuchar, L., Holappa, L., Hautamäki, T., Terho, K., Tukiainen, M., Kivelä, E. & Konttinen, J., 1993, Otaniemi.

Research output: Working paperProfessional

Katsaus uusien raudan- ja teräksenvalmistusmenetelmien kehitykseen

Holappa, L., 1993, SULA-päätösseminaari, Otaniemi, 14.4.1993. Espoo: Suomen Teräksen- ja Metallintuottajien Yhdistys

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Kuonien merkitys uusissa raudanvalmistusmenetelmissä

Holappa, L., 1993, INSKO 261608 IV, Vantaa 8.-9.9.1993. Vantaa: INSKO

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Preventation of Steel melt reoxidation by convering powders in tundish.

Kuchar, L. & Holappa, L., 1993, 7th Steelmaking Conference, Dallas (TX) USA, March 28-31, 1993. Proceedings. Dallas, p. 495-502

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1994

Current status of production of direct reduced iron

Holappa, L., 1994, Espoo.

Research output: Working paperProfessional

Experimental and computational study on flow velocities in electromagnetic stirring of Wood's metal and its effect on the solidification structure

Szekely, J. & Holappa, L., 1994, International Symposium on Electromagnetic processing of materials '94, Nagoya, Japan, October 25-28, 1994. University, N. (ed.). Nagoya: The Iron and Steel Institute of Japan, p. 209-216

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Fluid flow and free surface phenomena in rotary electromagnetic stirring of a metallic melt

Szekely, J., Vives, C. & Holappa, L., 1994, In : ISIJ International. 35, 3, p. 292-301

Research output: Contribution to journalArticleScientificpeer-review

Heating and melting of wustite pellets in liquid slag

Holappa, L., 1994, In : Steel research. 65, 11, p. 459-465

Research output: Contribution to journalArticleScientificpeer-review

Heat transfer and melting characteristics of metallized pellets

Holappa, L., 1994, In : Steel research. 65, 12, p. 511-516

Research output: Contribution to journalArticleScientificpeer-review

Impact of energy and environment on the development of metallurgical processes

Holappa, L., 1994, Second International Symposium on "Metallurgical Processes for the Year 2000 and Beyond", San Diego, California, USA, September 21-23, 1994. Sohn, H. Y. (ed.). The Minerals, Metals & Materials Society, p. 641-660

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Interfacial energy between slag and metal in equilibrium and reaction conditions

Mu, D., Liukkonen, M. & Holappa, L., 1994, International Symposium on Science and Technology of Metallurgical Processing, The Morita Symposium, Osaka, Japan, October 11-13, 1994. Emi, T. & Iguchi, M. (eds.). Osaka, p. 13-18

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Kinetic reaction models of chromite reduction by CO

Kekkonen, M. & Holappa, L., 1994, SULA-seminaari, Oulu, 14.-15.12.1994. Hakulin, H. (ed.). Helsinki: Suomen Teräksen- ja Metallintuottajien Yhdistys, p. 223-244

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Kinetic study on solid state reduction of chromite pellets

Kekkonen, M., Xiao, Y. & Holappa, L., 1994, SULA-seminaari, Oulu, 14-15.12.1994. Hakulin, H. (ed.). Helsinki: Suomen Teräksen- ja Metallintuottajien Yhdistys, p. 215-222

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Prevention of reoxidation in tundish

Holappa, L., 1994, Metal '94, 3rd Metallurgical Symposium, Ostrava, CZ, May 10-12, 1994. STEEL s.r.o., TANGER. (ed.). Ostrava: TANGER STEEL s.r.o., p. 178-189

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Sivutuotteiden ja jätteiden muodostuminen metallurgisissa prosesseissa

Holappa, L., 1994, INSKO M0602L/94 II B, Vantaa, 26-27.1.1994. Vantaa: INSKO

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Thermodynamics of slags containing chromium oxides

Holappa, L., 1994, SULA-seminaari, Oulu, 14.-15.12.1994. Hakulin, H. (ed.). Helsinki: Suomen Teräksen- ja Metallintuottajien Yhdistys, p. 203-214

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Tutkimus rautakarbidin valmistuksen perusteista

Holappa, L., 1994, SULA-seminaari, Oulu, Finland, 14-15.12.1994. Hakulin, H. (ed.). Helsinki: Suomen Teräksen- ja Metallintuottajien Yhdistys, p. 35-43

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Uudet raudan ja teräksen valmistusmenetelmät

Holappa, L., 1994, SULA-seminaari, Oulu, 14.-15.12.1994. Hakulin, H. (ed.). Helsinki: Suomen Teräksen- ja Metallintuottajien Yhdistys, p. 25-29

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Ytenergimätningar mellan stål och slagg

Liukkonen, M., Mu, D. & Holappa, L., 1994, Espoo.

Research output: Working paperProfessional

1995

Current status of converter steelmaking

Holappa, L., 1995, Espoo, p. 52.

Research output: Working paperProfessional

Foaming slag in electric arc furnace process

Holappa, L., 1995, Espoo, p. 36.

Research output: Working paperProfessional

Kinetic study on solid state reduction of chromite pellets

Xiao, Y., Holappa, L. & Kekkonen, M., 1995, INFACON 7, Trondheim, Norja, 11-14.6.1995. Tuset, J. K., Tveit, H. & Page, I. G. (eds.). Trondheim, Norway: The Norwegian Ferroalloy Research Organization (FFF), p. 351-360

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Mathematical Modeling of Heat Transfer and Solidification in Upcasting of Copper

Holappa, L., 1995, Warrendale, Pennsylvania, p. 857-864, (Modeling of Casting, Welding and Advanced Solidification Processes VII, London, England, September 10-15, 1995).

Research output: Working paperProfessional

1 Citation (Scopus)

Modelling and experimental study on reoxidation of steel in tundish

Holappa, L., 1995, Scaninject VII, Luleå, Sweden, June 7-8, 1995. Burström, E. (ed.). Luleå, Sweden: MEFOS, p. 203-221

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Modern steelmaking technology for special steels

Holappa, L. & Karvonen, P. H. J., 1995, The 14th International Scientific Conference Advanced Materials & Technologies, Zakopane, Poland, May 17-21, 1995. Dobrzanski, L. A. (ed.). The Netherlands: Elsevier Science S.A., p. 453-465

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

30 Citations (Scopus)

Single slag practice in the AOD process

Holappa, L., 1995, Espoo.

Research output: Working paperProfessional

State-of-art of modern technologies for metals production

Holappa, L., 1995, Advanced Materials and Technologies, Otaniemi, Finland, March 30-31, 1995. V. Lindroos, T. A. (ed.). Espoo: Helsinki University of Technology, Laboratory of Physical Metallurgy and Materials Science, p. 157-180

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Teräksen vandiinipitoisuuden hallinta

Holappa, L., 1995, Espoo, p. 20.

Research output: Working paperProfessional

Theoretical calculations of hydrogen behaviour in continuous casting steel

Holappa, L., 1995, Espoo.

Research output: Working paperProfessional

Thermodynamics of slags containing chromium oxides

Holappa, L., 1995, INFACON 7, Trondheim, Norja, 11-14.6.1995. Tuset, J. K., Tveit, H. & Page, I. G. (eds.). Trondheim, Norway: The Norwegian Ferroalloy Research Organization (FFF), p. 319-328

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1996

Coupled simulation of heat transfer and phase transformations in continuous casting of steel

Miettinen, J., Louhenkilpi, S. & Holappa, L., 1996, The First Internationl Congress on Science and Technology of Steelmaking, Chiba, Japan, April 22-24, 1996.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

14 Citations (Scopus)

Desoxidation - reoxidation

Holappa, L., 1996, Process- och kvalitetsstyrning, Tukholma, 3.12.1996. Brunner, H. (ed.). Tukholma: JERNKONTORET

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Development of mould materials for die casting of magnesium

Toivonen, P. & Holappa, L., 1996, Espoo, p. 68.

Research output: Working paperProfessional