If you made any changes in Pure these will be visible here soon.

Research Output

2002

Application of surface and internal quality forecasting and casting engineering monitoring to the online prediction of continuously cast semis

Barber, B., Short, M., Bell, A., Spaccarotella, A., Holappa, L., Laine, J., Laraudogoitia, J. J., Lopez, A., Ors, F., Peters, H. & Link, N., 2002, European Commission technical steel research, Casting and solidification. European Commission, D-G. F. R. (ed.). Brussels, p. 1-207

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

Bubble bursting phenomenon in gas/metal/slag systems

Han, Z. & Holappa, L., 2002, Mills Symposium: metals, slags, glasses: high temperature properties & phenomena, London, UK, 22-23 August 2002. Aune, R. E. & Sridhar, S. (eds.). Teddington: Institute of Materials, London, UK, p. 221-230

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

36 Citations (Scopus)

Developments in on-line surface and internal quality forecasting of continuously cast semis

Normanton, A. S., Barber, B., Bell, A., Spaccarotella, A., Holappa, L., Laine, J., Peters, H., Link, N., Ors, F., Lopez, A. & Laraudogoitia, J. J., 2002, 4th European Continuous Casting Conference, Birmingham, UK, 14-16 October 2002. Communications Ltd, IOM. (ed.). London: IOM Communications Ltd., p. 221-231

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

9 Citations (Scopus)

Katsaus teräksen valmistuksen historiaan

Holappa, L., 2002, Konvertteri ja sähköuunimetallurgia 26.-27.11.2002. Oulu: POHTO

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

Konvertteri- ja sähköuuniprosessien teoriaa

Jalkanen, H. & Holappa, L., 2002, Konvertteri ja sähköuunimetallurgia 26.-27.11.2002. Vuorimiesyhdistys, POHTO. (ed.). Oulu: POHTO

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

Oksidimetallurgia-projekti

Hämäläinen, M., Erkkilä, H., Liukkonen, M., Lind, M., Härkki, J. & Holappa, L., 2002, Helsinki, (Helsinki University of Technology Publications in Materials Science and Metallurgy; no. TKK-MK-131).

Research output: Working paperProfessional

Oxidation State and Activities of Chromium Oxides in CaO-SiO2-CrOx Slag System

Xiao, Y., Holappa, L. & Reiter, M. A., 2002, In : Metallurgical and Materials Transactions B. 33B, p. 595-603

Research output: Contribution to journalArticleScientificpeer-review

Thermodynamic examination on inclusion modification and precipitation from calcium treatment to solidified steel

Holappa, L., Hämäläinen, M., Liukkonen, M. & Lind, M., 2002, Sixth International Conference on Clean Steel, Balatonfüred, Hungary, 10.-12.6.2002. Mining, H. & Society, M. (eds.). Balatonfüred: OMBKE, IOM, IISI, ESIC, p. 116-125

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

122 Citations (Scopus)
2001

Control of ejections caused by bubble bursting in secondary steelmaking processes

Holappa, L. & Han, Z., 2001, Control of ejections caused by bubble bursting in secondary steelmaking processes. Commission, E. (ed.). Brussels, p. 12-77

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

Formation of metal droplets from gas bubbles bursting on iron melt

Han, Z. & Holappa, L., 2001, In : Steel Research International. 72, 11+12, p. 434-438

Research output: Contribution to journalArticleScientificpeer-review

Inclusion control for castability of resulphurized steels

Holappa, L., 2001, 18th Process Technology Conference "Castability of Steel", Baltimore, MD, U.S.A., March 25-28, 2001. Baltimore: The Iron and Steel Society, p. 765-777

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

Inclusion Engineering and Grain Size Control of Steels, Literature Review

Lou, D. & Holappa, L., 2001, Helsinki, p. 35, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-123).

Research output: Working paperProfessional

Kinetic Modelling of Chromite Pellet Reduction with CO gas Under rising Temperatures from 1700 to 1520 C°

Xiao, Y., Reuter, M. & Holappa, L., 2001, The Ninth International Ferroalloys Congress and the Manganese 2001 Health Issues Symposium. Washington: The Ferroalloys Association, p. 147-156

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

Kinetic Study on Smelting Reduction of Chromite Ore

Kekkonen, M., Holappa, L. & Niemelä, P., 2001, The Ninth International Ferroalloys Congress, Quebec City, Canada, June 3-6, 2001. Washington: The Ferroalloys Association, p. 157-165

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

The effect of silicon and vanadium alloying on the microstructu re of air cooled forged HSLA steels

Holappa, L., Ollilainen, V. & Kasprzak, W., 2001, In : Journal of Materials Processing Technology. 109, p. 78-82

Research output: Contribution to journalArticleScientificpeer-review

2000

Activity of titanium oxide in CaO-SiO2-Ti3O5 slags at 1600 °C

Ariyo, C. & Holappa, L., 2000, Sixth International Conference on Molten Slags, Fluxes and Salts, Stockholm, Sweden - Helsinki, Finland, 12-17 June, 2000. Seetharaman, S. & L. Holappa, L. (eds.). Tukholma: Kungliga Tekniska Högskolan

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

6 Citations (Scopus)

Characterisation of bubble bursting in gas/molten iron systems

Holappa, L., Han, Z. & Morton, D., 2000, The Belton Memorial Symposium, Sydney, Australia, January 10-11, 2000. U.S.A.: The Iron and Steel Society, p. 63-74

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

Comparison of different coal based direct reduction processes

Kekkonen, M. & Holappa, L., 2000, Espoo, p. 41, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-99).

Research output: Working paperProfessional

Free surface flow simulation of steel in continuous casting moulds

Wang, S., Louhenkilpi, S., Päätalo, M. & Holappa, L., 2000, The 6th Japan-Nordic Countries Joint Symposium. Iron, T. & Institute of Japan, S. (eds.). Nagoya, Japan: The Iron and Steel Institute of Japan, p. 181-188

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

Harvinaiset maametallit teräksen valmistuksessa

Lassila, I. & Holappa, L., 2000, Espoo, p. 25, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-106).

Research output: Working paperProfessional

Low reoxidation tundish metallurgy at Fundia Koverhar steel plant

Manninen, V., Lano, T. & Holappa, L., 2000, In : Scandinavian Journal of Metallurgy. 29, 4, p. 156-165

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Numerical analysis of flows in gas stirred molten metal

Xia, J. L., Ahokainen, T. & Holappa, L., 2000, 1st International Conference on Computational Fluid Dynamics, Kyoto, Japan, 9.-14.7.2000. Kyoto Institute of Technology, p. 351-352

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

Oxidation state of chromium in molten slag

Xiao, Y., Reuter, M. & Holappa, L., 2000, Sixth International Conference on Molten Slags, Fluxes and Salts, Stockholm, Sweden - Helsinki, Finland, 12-17 June 2000. Seetharaman, S. & Holappa, L. (eds.). Tukholma: Kungliga Tekniska Högskolan

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

1999

An introductory report on iron carbide production technology

Khosrowbeygi, M. & Holappa, L., 1999, Espoo, p. 22, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-Mk-59).

Research output: Working paperProfessional

An investigation of splash formation due to bubble bursting in secondary steelmaking processes

Morton, D., Han, Z. & Holappa, L., 1999, Scanmet I. L.Järlebro, J-O. W. (ed.). Luleå: MEFOS, p. 275-290

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

Latest developments in direct reduction technology

Khosrowbeygi, M. & Holappa, L., 1999, Espoo, p. 16, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-74).

Research output: Working paperProfessional

Low Reoxidation Tundish Metallurgy at koverhar Steel Plant

Manninen, V., Lano, T. & Holappa, L., 1999, Scanmet I. L.Järlebro, J-O. W. (ed.). Luleå: MEFOS, p. 349-365

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

Modelling of flows in a ladle with gas stirred liquid wood s metal

Xia, J. L., Ahokainen, T. & Holappa, L., 1999, 2nd Int. Conf. On CFD in the Minerals and Process Industries, 1999. p. 187

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

Modelling of two-phase flows in ladle systems

Xia, J., Ahokainen, T. & Holappa, L., 1999, Espoo, p. 24, (HUT Publications in Materials Science and Metallurgy; no. TKK-MK-79).

Research output: Working paperProfessional

Numerical simulation of two phase flow in a bath with top-blowing lance injection

Xia, J. L., Ahokainen, T. & Holappa, L., 1999, ASME Annual Winter Meeting - 1999, Nashville, Tennessee, Nov. 14-19, 1999.

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

Physicochemical aspects of FeCr production

Holappa, L., Kekkonen, M. & Xiao, Y., 1999, Metal Separation Technologies Beyond 2000: Integrating novel chemistry with processing, Kahaku, Oahu, Hawaii, June 13-18,1999. KNona C. Liddell, D. J. C. (ed.). Warrendale, Pensylvania: TMS, p. 231-242

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

Physicochemical aspects of FeCr production

Holappa, L., Kekkonen, M. & Xiao, Y., 1999, Scanmet I. L.Järlebro, J-O. W. (ed.). Luleå: MEFOS

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

Physicochemical calculations on metallurgical processes

Jalkanen, H., Holappa, L., Heikinheimo, E., Paderin, S. N., Ryzhonkov, D. I. & Serov, G. V., 1999, Espoo. 196 p. (Publications in Material Science and Metallurgy; no. TKK-Mk-82)

Research output: Book/ReportBookProfessional

Teräksen happimellotuksen kemia

Rautell, T. & Holappa, L., 1999, Espoo, p. 30, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-63).

Research output: Working paperProfessional

1998

A High Temperature Mass Spectrometric Study of the Thermodynamic Properties of Cu-Mg Solid Alloys

Shilov, A. L., Holappa, L. E. & Stolyarova, V. L., 1998, In : Rapid Communications in Mass Spectrometry. 12, p. 1133-1136

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Alumiinielektrolyysin teoreettiset perusteet

Holappa, L. & Jääskeläinen, E., 1998, Espoo, p. 77, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-60).

Research output: Working paperProfessional

Behaviour of refractory materials in vacuum ladles

Oghbasilasie, H. & Holappa, L., 1998, Espoo, p. 40, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-41).

Research output: Working paperProfessional

Chemistry of Chromium Bearing Processes

Kekkonen, M. & Holappa, L., 1998, Technology Programme SULA 2 Energy in Steel and Base Metal Production, Final Report. Hakulin, H. (ed.). Helsinki: Association of Finnish Steel and Metal producers, TEKES, p. 143-150

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

Expansion Projects of the Middle East Iron and Steel Industry

Iqbal, A. & Holappa, L., 1998, Espoo, p. 127, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-60).

Research output: Working paperProfessional

Experimental and Numerical Determination of Crater End in Continuous Casting of Steel

Kytönen, H., Tolvanen, M., Louhenkilpi, S. & Holappa, L., 1998, Modeling of Casting, Welding and Advanced Solidification Processes VIII, San Diego, June 7-12, 1998. Brian G. Thomas, C. B. (ed.). Warrendale, Pennsylvania: The Minerals, Metals & Materials Society, p. 631-638

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

Experimental study on solid state reduction of chromite with rising temperature

Kekkonen, M., Syynimaa, A. & Holappa, L., 1998, Espoo, p. 22, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-57).

Research output: Working paperProfessional

Kinetic Modelling on Solid State Reduction of Chromite Pellet with CO

Xiao, Y. & Holappa, L., 1998, INFACON 8, 8th International Ferroalloys Congress, Beijing, China, June 7-10, 1998. Beijing: Chinese Society for Metals, p. 135-140

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

Kinetic Study on Solid State Reduction of Chromite Pellets and Lumpy Ores

Kekkonen, M., Syynimaa, A., Holappa, L. & Niemelä, P., 1998, INFACON 8, 8th International Ferroalloys Congress, Beijing, China, June 7-10, 1998. Chinese Society for Metals, p. 141-146

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

Matkaraportti, INFACON 8, 8th International Ferroalloys Congress, June 7-10, 1998, Beijing, China

Kekkonen, M. & Holappa, L., 1998, Espoo, p. 29, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-58).

Research output: Working paperProfessional

Metallurgian laboratorion ekskursio Etelä

Holappa, L. & Kytönen, H., 1998, Espoo, p. 55, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-38).

Research output: Working paperProfessional

New Technologies and Raw Materials for Iron and Steelmaking

Holappa, L., 1998, Technology Programme SULA 2, Energy in Steel and Base Me. Hakulin, H. (ed.). Helsinki: Association of Finnish Steel and Metal producers, TEKES, p. 15-20

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

Post Combustion in Converter Process

Rautell, T. & Holappa, L., 1998, Technology Programme SULA 2, Energy in Steel and base Metal Production, Final Report. Hakulin, H. (ed.). Helsinki: Association of Finnish Steel and Metal Producers, p. 127

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

Review of slag viscosity

Forsbacka, L. & Holappa, L., 1998, Espoo, p. 37, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-35).

Research output: Working paperProfessional

Study of process parameters on two phase flow agitated by top-blowing lance injection into a bath

Xia, J., Ahokainen, T. & Holappa, L., 1998, Espoo, p. 23, (Teknillisen korkeakoulun materiaalitekniikan ja metallurgian julkaisuja; no. TKK-MK-45).

Research output: Working paperProfessional

The effect of silicon and vanadium alloying on the microstructure of air cooled forged HSLA steels

Holappa, L., Ollilainen, V. & Kasprzak, W., 1998, 7th International Scientific Conference "Achievements in Mechanical and Materials Engineering 1998", Gliwice - Zakopane, Poland, November 29 - December 2, 1998. Dobrzanski, L. A. (ed.). Gliwice: Committee of the International Scientific Conferences - Institute of Engineering Materials and Biomaterials of the Silesian Technical University in Gliwice, Poland, p. 237-240

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