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Tor Henning Hemmingsen

Instituttleder

Det teknisk- naturvitenskapelige fakultet
Institutt for maskin, bygg og materialteknologi
KE E-225
Publications
  • Vitenskapelige publikasjoner
    • Apeland, Jørgen; Pavlou, Dimitrios; Hemmingsen, Tor Henning

      (2021)

      Sensitivity Study of Design Parameters for a Fuel Cell Powered Multirotor Drone.

      Journal of Intelligent and Robotic Systems

      ISSN 0921-0296.

      DOI: 10.1007/s10846-021-01363-9

    • Adasooriya, Mudiyan Nirosha Damayanthi; Hemmingsen, Tor; Pavlou, Dimitrios

      (2020)

      S-N curve for riveted details in corrosive environment and its application to a bridge.

      Fatigue & Fracture of Engineering Materials & Structures (FFEMS)

      ISSN 8756-758X.

      Volum 43.

      Hefte 6.

      s.1199-1213.

      DOI: 10.1111/ffe.13193

    • Xing, Yihan; Ong, Muk Chen; Hemmingsen, Tor; Ellingsen, Kjell Einar; Reinås, Lorents

      (2020)

      Design Considerations of a Subsea Shuttle Tanker System for Liquid Carbon Dioxide Transportation.

      Journal of Offshore Mechanics and Arctic Engineering

      ISSN 0892-7219.

      DOI: 10.1115/1.4048926

    • Apeland, Jørgen; Pavlou, Dimitrios; Hemmingsen, Tor

      (2020)

      State-of-technology and barriers for adoption of fuel cell powered multirotor drones. I: 2020 International Conference on Unmanned Aircraft Systems (ICUAS).

      IEEE

      ISBN 9781728142784.

      s.1359-1367.

      DOI: 10.1109/ICUAS48674.2020.9213971

    • Adasooriya, Mudiyan Nirosha Damayanthi; Tucho, Wakshum Mekonnen; Holm, Erlend; Årthun, Terje; Hansen, Vidar; Solheim, Karl Gunnar; Hemmingsen, Tor

      (2020)

      Effect of hydrogen on mechanical properties and fracture of martensitic carbon steel under quenched and tempered conditions.

      Materials Science & Engineering: A

      ISSN 0921-5093.

      Volum 803.

      DOI: 10.1016/j.msea.2020.140495

    • Apeland, Jørgen; Pavlou, Dimitrios; Hemmingsen, Tor

      (2020)

      Suitability Analysis of Implementing a Fuel Cell on a Multirotor Drone.

      Journal of Aerospace Technology and Management

      ISSN 1984-9648.

      Volum 12.

      DOI: 10.5028/jatm.v12.1172

    • Adasooriya, Mudiyan Nirosha Damayanthi; Pavlou, Dimitrios; Hemmingsen, Tor

      (2019)

      Fatigue strength degradation of corroded structural details: A formula for S‐N curve.

      Fatigue & Fracture of Engineering Materials & Structures (FFEMS)

      ISSN 8756-758X.

      s.1-13.

      DOI: 10.1111/ffe.13156

    • Dotel, Utsav Raj; Davodi, Fatemeh; Sorsa, Olli; Kallio, Tanja; Hemmingsen, Tor

      (2019)

      Nitrogen doped Carbon Nanotubes as Electrocatalyst for Oxygen Reduction Reaction .

      International Journal of Electrochemical Science

      ISSN 1452-3981.

      Volum 14.

      s.10340-10351.

      DOI: 10.20964/2019.11.06

    • Adasooriya, Mudiyan Nirosha Damayanthi; Hemmingsen, Tor; Pavlou, Dimitrios

      (2019)

      An Experimental Study on Environmental Assisted Cracking of Structural Steel in 3.5 wt% NaCl Solution.

      ISOPE - International Offshore and Polar Engineering Conference. Proceedings

      ISSN 1098-6189.

      s.4154-4160.

    • Adasooriya, Mudiyan Nirosha Damayanthi; Hemmingsen, Tor; Pavlou, Dimitrios

      (2019)

      Environment-assisted corrosion damage of steel bridges: a conceptual framework for structural integrity.

      Corrosion reviews

      ISSN 0334-6005.

      Volum 38.

      Hefte 1.

      s.49-65.

      DOI: 10.1515/corrrev-2019-0066

    • Dotel, Utsav Raj; Sydnes, Magne Olav; Urkedal, Hans; Hemmingsen, Tor

      (2018)

      The effects of Acidic, Alkaline, and Neutral Anolytes on Electrochemical Seawater Deoxygenation.

      Applied Sciences

      ISSN 2076-3417.

      Volum 8.

      Hefte 11.

      DOI: 10.3390/app8112280

    • Dotel, Utsav Raj; Dirdal, Erik Gisle; Sydnes, Magne Olav; Jolma, Ingunn Westvik; Urkedal, Hans; Hemmingsen, Tor

      (2018)

      Selective electrochemical removal of monovalent and divalent ions from seawater.

      The International Journal of Energy and Environment

      ISSN 2076-2895.

      Volum 9.

      Hefte 2.

      s.129-136.

    • Dotel, Utsav Raj; Vuorilehto, Kai; Sydnes, Magne Olav; Urkedal, Hans; Hemmingsen, Tor Henning

      (2017)

      Electrochemical Oxygen Removal from Seawater in Industrial Scale using Silver Cathode.

      Industrial & Engineering Chemistry Research

      ISSN 0888-5885.

      Volum 56.

      Hefte 31.

      s.8954-8960.

      DOI: 10.1021/acs.iecr.7b02004

    • Ekawati, Dian; Berntsen, Tonje; Seiersten, Marion; Hemmingsen, Tor

      (2017)

      Effect of Temperature, Bicarbonate, and MEG Concentrations on CO2 Corrosion of Carbon Steels.

      Corrosion

      ISSN 0010-9312.

      Volum 73.

      Hefte 9.

      s.1157-1167.

      DOI: 10.5006/2143

    • Mikkelsen, Ove; Rege, Kristen; Hemmingsen, Tor Henning; Pavlou, Dimitrios

      (2017)

      Numerical Estimation of the Stop Holes-Induced Fatigue Crack Growth Retardation in Offshore Structures Taking into Account the Corrosion Effect. I: The Proceedings of the twenty-seventh (2017) International Ocean and Polar Engineering Conference - ISOPE 2017.

      International Society of Offshore & Polar Engineers

      ISBN 978-1-880653-97-5.

      s.451-458.

    • Adasooriya, Mudiyan Nirosha Damayanthi; Hemmingsen, Tor; Pavlou, Dimitrios

      (2017)

      Fatigue strength degradation of metals in corrosive environments.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 276.

      Hefte 1.

      DOI: 10.1088/1757-899X/276/1/012039

    • Berntsen, Tonje; Laethaisong, Nushjarin; Seiersten, Marion; Hemmingsen, Tor Henning

      (2016)

      Uncovering carbide on carbon steels by use of anodic galvanostatic polarization and its effect on CO2 corrosion.

      Corrosion

      ISSN 0010-9312.

      Volum 72.

      Hefte 4.

      s.534-546.

      DOI: 10.5006/1691

    • Dotel, Utsav Raj; Vuorilehto, Kai; Sydnes, Magne Olav; Urkedal, Hans; Hemmingsen, Tor Henning

      (2016)

      Experimental Study of Silver Cathode for Electrochemical Deoxygenation of Seawater for Enhanced Oil Recovery.

      Industrial & Engineering Chemistry Research

      ISSN 0888-5885.

      Volum 55.

      Hefte 30.

      s.8235-8242.

      DOI: 10.1021/acs.iecr.6b01493

    • Kommedal, Roald; Bagi, Andrea; Hemmingsen, Tor Henning

      (2015)

      Environmental Effects of Oil and Gas Exploration and Production in the Barents Sea. I: International Arctic Petroleum Cooperation: Barents Sea Scenarios.

      Routledge

      ISBN 978-1-13-878326-3.

      s.225-250.

      DOI: 10.4324/9781315768762-13

    • Berntsen, Tonje; Seiersten, Marion; Hemmingsen, Tor Henning

      (2013)

      Effect of FeCO3 Supersaturation and Carbide Exposure on the CO2 Corrosion Rate of Carbon Steel.

      Corrosion

      ISSN 0010-9312.

      Volum 69.

      Hefte 6.

      s.601-613.

      DOI: 10.5006/0553

    • Song, Yuan; Palencsar, Attila; Svenningsen, Gaute; Kvarekvål, Jon; Hemmingsen, Tor Henning

      (2012)

      Effect of O-2 and Temperature on Sour Corrosion.

      Corrosion

      ISSN 0010-9312.

      Volum 68.

      Hefte 7.

      s.662-671.

      DOI: 10.5006/0341

    • Enge, Espen; Bredal, Mikal Vedå; Vatsvåg, Helge; Hemmingsen, Tor Henning

      (2012)

      The survival of a small isolated brown trout population (Salmo trutta) in a harsh environment in the remote Lysedalen, Rogaland.

      Vann

      ISSN 0042-2592.

      Hefte 2.

      s.152-169.

    • Enge, Espen; Hemmingsen, Tor

      (2010)

      Modellberegning av vannkjemiske effekter av vassdragsreguleringer ? eksempel fra Sira-Kvina-reguleringen.

      Vann

      ISSN 0042-2592.

      Volum 45.

      Hefte 3.

    • Hilbert, Lisbeth; Hemmingsen, Tor; Nielsen, Lars Vendelboe; Richter, S.

      (2007)

      Reliability of electrochemical techniques for determining corrosion rates on carbon steel in sulfide media.

      Corrosion

      ISSN 0010-9312.

      Volum 63.

    • Skavås, Erling; Hemmingsen, Tor

      (2007)

      Kinetics and mechanism of sulphite oxidation on a rotating platinum disc electrode in an alkaline solution.

      Electrochimica Acta

      ISSN 0013-4686.

      Volum 52.

    • Hemmingsen, Tor; Fusek, Frederik; Skavås, Erling

      (2006)

      Monitoring of the corrosion process on sulphide film formation with electrochemical and optical measurements.

      Electrochimica Acta

      ISSN 0013-4686.

      Volum 51.

      s.0-0.

    • Hilbert, Lisbeth; Hemmingsen, Tor; Vendelboe Nielsen, Lars; Richter, Sonja

      (2005)

      When can electrochemical techniques give reliable corrosion rates on carbon steel in sulfide media?.

      ?

    • Brede, Cato; Skjevrak, Ingunn; Herigstad, H; Aanensen, Elin; Austvoll, Ruth; Hemmingsen, Tor

      (2002)

      Sample preparation and cleanup suitable for the screening of migration contaminants in vegetable oil using gas chromatography coupled with mass spectrometry.

      Food Additives and Contaminants

      ISSN 0265-203X.

      Volum 19.

      s.483-491.

    • Hemmingsen, Tor; Hovdan, Halfdan; Sanni, Pål; Aagotnes, Nils Olav

      (2002)

      The influence of electrolyte reduction potential on weld corrosion.

      Electrochimica Acta

      ISSN 0013-4686.

      Volum 47.

      Hefte 24.

      s.3949-3955.

    • Hemmingsen, Tor; Lima, Hege

      (1998)

      Electrochemical and optical studies of sulphide film formation on carbon steel.

      ?

      Volum 35.

    • Treindl, L.; Hemmingsen, Tor; Ruoff, Peter

      (1997)

      The Belousov-Zhabotinskii Oscillations during Chemical or Electrochemical Generation of Silver Ions.

      ?

      Volum 269.

      s.263-267.

    • Hemmingsen, Tor

      (1992)

      The Electrochemical Reaction of Sulphur-Oxygen Compounds. Part II. Voltammetric Investigations Performed on Platinum.

      Electrochimica Acta

      ISSN 0013-4686.

      Volum 37.

      Hefte 15.

      s.2785-2790.

    • Hemmingsen, Tor; Vendelboe Nielsen, Lars; Maahn, Ernst

      (1992)

      The effect of sulphite om pitting and crevice corrosion on various steels in 0,5 M sodium chloride.

      Materials Science Forum

      ISSN 0255-5476.

      Volum 111-112.

      s.453-470.

    • Hemmingsen, Tor

      (1992)

      The electrochemical reaction of sulphur––oxygen compounds––part I. A review of literature on the electrochemical properties of sulphur/sulphur––oxygen compounds.

      Electrochimica Acta

      ISSN 0013-4686.

      Volum 37.

      Hefte 15.

      s.2775-2784.

    • Hemmingsen, Tor; Hemmingsen, Tor; Vangdal, Hans; Våland, Torstein

      (1992)

      Formation of Ferrous Sulfide Film from Sulfite under Anaerobic Conditions.

      Corrosion

      ISSN 0010-9312.

      Volum 48.

      Hefte 6.

      s.475-481.

    • Hemmingsen, Tor; Hemmingsen, Tor; Våland, Torstein

      (1991)

      The Reactions of the Sulphite/Bisulphite - Couple on SMO-steel under Anaerobic Conditions.

      Electrochimica Acta

      ISSN 0013-4686.

      Volum 36.

      Hefte 8.

      s.1367-1375.

    • Hemmingsen, Tor Henning; Svendsen, John Sigurd; Sydnes, Leiv Kristen

      (1988)

      Silver-ion assisted methanolysis of 2,2-dibromo-1-methylcyclopropanecarboxylic acid and 2,2-dibromo-1,3-dimethylcyclopropanecarboxylic acid.

      Acta Chemica Scandinavica

      ISSN 0904-213X.

      Volum B42.

      Hefte 10.

      s.651-661.

    • Hemmingsen, Tor; Svendsen, Jon Sigurd; Sydnes, Leiv

      (1988)

      Silver-ion Assisted Methanolysis of 2,2-Dibromo-1-methylcyclopropancarboxylic Acid and 2,2-Dibromo-1,3-dimethylcyclopropancarboxylic Acid.

      Acta Chemica Scandinavica

      ISSN 0904-213X.

      Volum 42.

      Hefte 10.

      s.651-661.

    • Sydnes, Leiv; Hemmingsen, Tor

      (1986)

      The Photochemical Decomposition of 9,10-Dimethyl-9,10-Dihydro-9,10-Epidioxyanthracene: A Reinvestigation.

      Journal Chemical Research

      ISSN 0308-2342.

      Volum 66.

      s.66-67.

    • Sydnes, Leiv; Hemmingsen, Tor

      (1985)

      Seasonal Variations in Weathering and Toxicity of Crude Oil on Seawater under Arctic Conditions.

      Environmental Science and Technology

      ISSN 0013-936X.

      Volum 19.

      Hefte 11.

      s.1076-1081.

    • Sydnes, Leiv; Hemmingsen, Tor

      (1985)

      Silver Ion-Assisted Methanolysis of Some Functionalized Bromocyclopropane Derivatives.

      Acta Chemica Scandinavica

      ISSN 0904-213X.

      Volum B39.

      s.93-102.

  • Bøker og kapitler
    • Apeland, Jørgen

      (2021)

      Fuel Cell Powered Drone: Use of Fuel Cells to Extend Multirotor Drone Endurance.

      ISBN 978-82-8439-028-4.

      Hefte 605.

    • Skogestad, Sigurd; Einarsrud, Mari-Ann; Fjellvåg, Helmer; Gundersen, Lise-Lotte; Hansen, Trond Vidar; Hemmingsen, Tor; Hemmingsen, Tor; Jensen, Vidar; Kallenborn, Roland; Salbu, Brit; Smalås, Arne; Walsø, Geir

      (2010)

      Oppfølging av Kjemievalueringen 2009.

      ISBN 9788212027848.

    • Jentoft, Nils Arne; Hemmingsen, Tor

      (2005)

      Grensesprengende kjemi.

      ISBN 829129402X.

    • Hemmingsen, Tor; Fusek, Frederik; Fjelde, Ingebret

      (2004)

      Corrosion measurements on carbon steel electrodes in presence of oil, corrosion and scale inhibitors.

      Hefte 259.

    • Hemmingsen, Tor

      (2004)

      Elektrokjemi.

    • Hemmingsen, Tor; Thorarinsdottir, Ragnheidur Inga; Hilbert, Lisbeth; Vendelboe Nielsen, Lars; Forsen, Olof; Thierry, Dominoque

      (2004)

      Monitoring corrosion in district heating systems - Final report.

  • Formidling
    • Apeland, Jørgen; Pavlou, Dimitrios; Hemmingsen, Tor

      (2020)

      State-of-Technology and Bariers for Adoption of Fuel Cell Powered Multirotor Drones.

    • Palencsar, Iozsef Attila; Seiersten, Marion; Berntsen, Tonje; Hemmingsen, Tor

      (2017)

      Assessment of pH stabilization in low temperature regions of long subsea pipelines.

    • Palencsar, Iozsef Attila; Seiersten, Marion; Berntsen, Tonje; Hemmingsen, Tor Henning

      (2017)

      Assessment of pH stabilization in low temperature regions of long subsea pipelines.

    • Mikkelsen, Ove; Rege, Kristen; Hemmingsen, Tor Henning; Pavlou, Dimitrios

      (2017)

      Numerical Estimation of the Stop Holes-Induced Fatigue Crack Growth Retardation in Offshore Structures Taking into Account the Corrosion Effect .

    • Dotel, Utsav Raj; Bakrachevska, Elena; Austbø, Shane C Gjelnes; Hemmingsen, Tor Henning; Havn, Torfinn

      (2015)

      Corrosion resistance of tubing after bending.

    • Høydal, Anne Britt; Skavås, Erling; Hemmingsen, Tor Henning

      (2013)

      Paper 2013_2763 Crevice Corrosion on Super Duplex Stainless Steel? Effect of Potential on Critical Crevice Corrosion Temperature.

    • Farida, Winia; Hemmingsen, Tor Henning; Berntsen, Tonje; Rabindran, Patrick

      (2012)

      Effect of Precorrosion and Temperature on the Formation Rate of Iron Carbonate Film.

    • Song, Y; Palencsar, Attila; Svenningsen, Gaute; Hemmingsen, Tor Henning; Kvarekval, J.

      (2011)

      Effect of O2 and Temperature on Sour Corrosion.

    • Berntsen, Tonje; Seiersten, Marion; Hemmingsen, Tor Henning

      (2011)

      Effect of FeCO3 Supersaturation and Carbide Exposure on the CO2 Corrosion Rate of Carbon Steel. I: Corrosion Conference; Corrosion Conference and Expo 2011.

      ISBN 9781617825934.

      s.1119-1135.

    • Berntsen, Tonje; Seiersten, M.; Hemmingsen, Tor Henning

      (2011)

      Effect of FeCO3 Supersaturation and Carbide Exposure on the CO~2 Corrosion Rate of Carbon Steel.

    • Song, Y; Palencsar, Attila; Svenningsen, Gaute; Hemmingsen, Tor Henning; Kvarekval, J.

      (2011)

      Effect of O2 and Temperature on Sour Corrosion. I: Corrosion Conference; Corrosion Conference and Expo 2011.

      ISBN 9781617825934.

      s.4074-4088.

    • Song, Yuan; Palencsar, Attila; Svenningsen, Gaute; Hemmingsen, Tor; Kvarekvål, J.

      (2010)

      Effect of oxygen and temperature on aqueous sour corrosion systems.

    • Palencsar, Attila; Song, Yuan; Svenningsen, Gaute; Hemmingsen, Tor; Kvarekvål, J.

      (2009)

      Effect of oxygen on aqueous sour corrosion systems.

    • Berntsen, Tonje; Seiersten, Marion; Hemmingsen, Tor

      (2008)

      CO2 Corrosion of Carbon Steel at Lower Temperatures.

    • Skavås, Erling; Hemmingsen, Tor

      (2007)

      A Study of the Interference from Sulphide and Dithionite on Electrochemical Sulphite Analyses on Platinum.

      ?

      Volum 2.

      Hefte 3.

      s.203-215.

    • Hörnlund, Erik; Fossen, Jørn; Hauger, Stian; Haugen, Christine; Havn, Torfinn; Hemmingsen, Tor

      (2007)

      Hydrogen Diffusivities and Concentrations in 520M Carbon Steel under Cathodic Protection in 0.5M NaCl and the Effect of Added Sulphite, Dithionite, Thiosulphate, and Sulphide.

      ?

      Volum 2.

      Hefte 1.

      s.82-92.

    • Hemmingsen, Tor

      (2006)

      Uten kjemi stopper oljen.

    • Skavås, Erling; Adriaens, Annemie; Hemmingsen, Tor

      (2006)

      A comparative study of sulphite oxidation under alkaline conditions by use of wall-jet flow cell and rotating disc electrode.

      International Journal of Electrochemical Science

      ISSN 1452-3981.

      Volum 1.

      Hefte 8.

      s.414-424.

    • Hemmingsen, Tor

      (2005)

      Bruk av offeranoder for katodisk beskyttelse i produsert vannmiljø i separator/prosesstanker.

    • Havn, Torfinn; Hemmingsen, Tor; Hörnlund, Erik; Eriksen, Kristian

      (2005)

      Comparison of corrosion resistance of two duplex stainless steels after simulated welding.

    • Hörnlund, Erik; Havn, Torfinn; Hemmingsen, Tor

      (2005)

      The effect of sulphur compounds on hydrogen permeation rate in steel.

    • Hemmingsen, Tor; Havn, Torfinn; Hörnlund, Erik; Ferkingstad, Håkon; Voll, Frank

      (2005)

      Use of aluminium and zinc anodes for cathodic protection of produced water tanks and separators.

    • Havn, Torfinn; Hemmingsen, Tor

      (2004)

      Safe use of Al-bronze components in 22Cr duplex stainlesssteel equipment.

    • Hemmingsen, Tor; Skavås, Erling; Fusek, Frederik

      (2004)

      Sulphide film formation under alkaline conditions.

    • Hemmingsen, Tor; Førre, Knut; Urke, Hildegunn; Aagotnes, Nils Olav; Eliassen, Svein

      (2004)

      Hydrogen diffusion in 13Cr supermartensitic stainless steels. Experiences with the electrochemical hydrogen permeationcell.

    • Hemmingsen, Tor; Austvoll, Ivar; Fusek, Frederik; Skavås, Erling

      (2004)

      Combined optical and electrochemical measurements on sulphide film formation.

    • Richter, Sonja; Hemmingsen, Tor

      (2003)

      A Study of Electrochemical Behaviour of Sulphur Compounds.

    • Hemmingsen, Tor; Hilbert, Lisbeth; Vendelboe Nielsen, Lars

      (2003)

      Assessment of sulphur and H2S corrosion by use of simultaneous ER, galvanic and optical measurements.

    • Hemmingsen, Tor

      (2003)

      Elektrokjemiske studier omkring svovel.

    • Hemmingsen, Tor

      (2003)

      A comparison of sulphur compounds in saline and non-saline electrolytes on carbon steel.

    • Hemmingsen, Tor

      (2003)

      Assessment of sulphur and H2S corrosion by the use of simultaneous ER, galvanic and optical measurements.

    • Hemmingsen, Tor

      (2003)

      Fjernvarme - utfordringer og muligheter.

    • Hemmingsen, Tor

      (2002)

      Monitering av korrosjon i fjernvarmeanlegg- Et Nordisk Samarbeidsprosjekt.

    • Thorarinsdottir, Ragnheidur Inga; Hemmingsen, Tor; Nordling, Magnus; Jansen, Piet

      (2002)

      Improved quality control - Corrosion monitoring in district heating systems.

      ?

      Volum 31.

      Hefte 5.

      s.34-37.

    • Havn, Torfinn; Hardli, Lars; Aagotnes, Nils Olav; Hemmingsen, Tor

      (2002)

      Investigation of use of 316 SS in seawater protected by carbon steel.

    • Thorarinsdottir, Ragnheidur Inga; Nielsen, Kate; Nielsen, Lars Vendelboe; Hilbert, Lisbeth; Nordling, Magnus; Hemmingsen, Tor

      (2001)

      Monitering av korrosjon i fjernvarmesystemer.

      Kjemi

      ISSN 0023-1983.

      Hefte 10.

      s.16-18.

    • Thorarinsdottir, Ragnheidur Inga; Nielsen, Kate; Nielsen, Lars Vendelboe; Hilbert, Lisbeth; Nordling, Magnus; Hemmingsen, Tor

      (2001)

      Monitering af korrosion i fjernvarmesystemer.

      Dansk Kemi

      ISSN 0011-6335.

      Volum 82.

      Hefte 12.

      s.21-23.

    • Hemmingsen, Tor; Hovdan, Halfdan; Sanni, Pål; Aagotnes, Nils Olav

      (2001)

      Determination of Tafel lines.

    • Hemmingsen, Tor; Hovdan, Halfdan; Sanni, Pål; Aagotnes, Nils Olav

      (2001)

      Effect of the redox potential in an electrolyte on weld corrosion.

    • Hemmingsen, Tor

      (2000)

      Electrochemical and optical measurements of film formation on steel surface.

    • Aagotnes, Nils Olav; Hemmingsen, Tor; Haarseth, Cecilie Alveid; Midttveit, Ingolf

      (2000)

      Comparison of corrosion measurments by use of AC-impedance, LPR and Polarisation Methods on carbon steel in CO2 purged NaCl solutions.

    • Hemmingsen, Tor; Aagotnes, Nils Olav; Silseth, Trine Kroeger; Kolak, Nada; Kaik, Merete

      (2000)

      Effect of sulphite ions in N2 and CO2 purged 0.5 M NaCl solution on stainless steels examined by different electrochemical techniques and by reflectance measurments.

    • Hemmingsen, Tor; Hinnaland, Dag A.; Saasen, Arild

      (1999)

      The co-effect of asphaltenes on wax precipitation and crystallisation temperature.

    • Hemmingsen, Tor

      (1999)

      An evaluation of 13%Cr-steel for use in the oil wells.

    • Hemmingsen, Tor; Haarseth, Cecilie A.

      (1998)

      Studies of Carbonates Film Formation on Carbon Steel by Use of AC-Impedance.

    • Hemmingsen, Tor

      (1993)

      The Effect of Sulphite on Pitting and Crevice Corrosion on AISI 304 Stainless Steel.

    • Hemmingsen, Tor; Hemmingsen, Tor; Våland, Torstein

      (1989)

      An Investigation of the Effects of HSO3-/SO32- on Steel under Anaerobic Conditions.

      ?

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