Professor
Telephone: 51831585 / 91161061
Email: tor.hemmingsen@uis.no
Room: KE E-225
Department
Faculty of Science and Technology
Department of Mechanical and Structural Engineering and Materials Science
Adasooriya, Mudiyan Nirosha Damayanthi; Hemmingsen, Tor
(2024)
Environment-assisted corrosion of offshore wind turbine structures : A framework and fatigue curves. I: Analytical and experimental methods in mechanical and civil engineering : Contributions of the 1st olympiad in engineering science (OES 2023).Springer Nature.
ISBN 978-3-031-49722-3.
s.497-506.
Gjertsen, Sondre Borg; Seiersten, Marion; Palencsar, Iozsef Attila; Hemmingsen, Tor
(2024)
The effect of weak acids on active corrosion rate in top-of-line corrosion.Corrosion Science.
ISSN 0010-938X.
Volum 236.
Ma, Yucong; Xing, Yihan; Sui, Dan; Ong, Muk Chen; Hemmingsen, Tor
(2023)
Two-Dimensional Planar Modeling of the Depth Control of a Subsea Shuttle Tanker.Journal of Offshore Mechanics and Arctic Engineering.
ISSN 0892-7219.
Volum 145.
Hefte 4.
DOI: 10.1115/1.4056418
Apeland, Jørgen; Pavlou, Dimitrios; Hemmingsen, Tor Henning
(2021)
Sensitivity Study of Design Parameters for a Fuel Cell Powered Multirotor Drone.Journal of Intelligent & Robotic Systems.
ISSN 0921-0296.
Ma, Yucong; Xing, Yihan; Ong, Muk Chen; Hemmingsen, Tor
(2021)
Baseline design of a subsea shuttle tanker system for liquid carbon dioxide transportation.Ocean Engineering.
ISSN 0029-8018.
Volum 240.
s.1-24.
Sultanbekov, Radel; Islamov, Shamil; Mardashov, Dmitry; Beloglazov, Ilia; Hemmingsen, Tor
(2021)
Research of the influence of marine residual fuel composition on sedimentation due to incompatibility.Journal of Marine Science and Engineering (JMSE).
ISSN 2077-1312.
Volum 9.
Hefte 10.
DOI: 10.3390/jmse9101067
Ma, Yucong; Xing, Yihan; Hemmingsen, Tor Henning
(2021)
An evaluation of key challenges of CO2 transportation with a novel Subsea Shuttle Tanker.IOP Conference Series: Materials Science and Engineering.
ISSN 1757-8981.
Volum 1201.
Sandviknes, Julie Sofie Stav; Adasooriya, Mudiyan Nirosha Damayanthi; Pavlou, Dimitrios; Hemmingsen, Tor
(2021)
Environment-assisted fatigue of steel bridges: A conceptual framework for life assessment.IOP Conference Series: Materials Science and Engineering.
ISSN 1757-8981.
Volum 1201.
Ma, Yucong; Sui, Dan; Xing, Yihan; Ong, Muk Chen; Hemmingsen, Tor Henning
(2021)
Depth control modelling and analysis of a subsea shuttle tanker . I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Ocean Space Utilization.The American Society of Mechanical Engineers (ASME).
ISBN 978-0-7918-8515-4.
Gjertsen, Sondre Borg; Palencsar, Attila; Seiersten, Marion; Hemmingsen, Tor
(2021)
The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective.IOP Conference Series: Materials Science and Engineering.
ISSN 1757-8981.
Volum 1201.
Kelland, Malcolm Andrew; Pomicpic, Janronel Calog; Ghosh, Radhakanta; Undheim, Camilla; Hemmingsen, Tor; Zhang, Qian; Varfolomeev, Mikhail A.; Pavelyev, Roman S.; Vinogradova, Svetlana S.
(2021)
Multi-functional oilfield production chemicals: maleic-based polymers for gas hydrate and corrosion inhibition.IOP Conference Series: Materials Science and Engineering.
ISSN 1757-8981.
Volum 1201.
Hefte 012081.
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.
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 (Institute of Electrical and Electronics Engineers).
ISBN 9781728142784.
s.1359-1367.
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.
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. I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 5: Ocean Space Utilization.
The American Society of Mechanical Engineers (ASME).
ISBN 978-0-7918-8436-2.
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
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.
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.
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
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; 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
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.
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.
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
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.
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.
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.
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; 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
(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
(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; 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; 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)
Silver Ion-Assisted Methanolysis of Some Functionalized Bromocyclopropane Derivatives.
Acta Chemica Scandinavica.
ISSN 0904-213X.
Volum B39.
s.93-102.
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.
Pavlou, Dimitrios; Correia, José A.F.O.; Fazeres-Ferradosa, Tiago; Gudmestad, Ove Tobias; Siriwardane , Sudath C.; Lemu, Hirpa G.; Ersdal, Gerhard; Liyanage, Jayantha Prasanna; Hansen, Vidar Folke; Minde, Mona Wetrhus; RATNAYAKE MUDIYANSELAGE, Chandima; Delimitis, Andreas; El-Thalji, Idriss; Adasooriya, Mudiyan Nirosha Damayanthi; Samarakoon, Samarakoon Mudiyansele Samindi; Hemmingsen, Tor
(2024)
Analytical and experimental methods in mechanical and civil engineering : Contributions of the 1st olympiad in engineering science (OES 2023).
Springer Nature.
ISBN 978-3-031-49722-3.
Volum 28.
Hefte ..
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; Thorarinsdottir, Ragnheidur Inga; Hilbert, Lisbeth; Vendelboe Nielsen, Lars; Forsen, Olof; Thierry, Dominoque
(2004)
Monitoring corrosion in district heating systems - Final report.
Hemmingsen, Tor
(2004)
Elektrokjemi.
Hemmingsen, Tor; Fusek, Frederik; Fjelde, Ingebret
(2004)
Corrosion measurements on carbon steel electrodes in presence of oil, corrosion and scale inhibitors.
Hefte 259.
Kelland, Malcolm Andrew; Pomicpic, Janronel Calog; Ghosh, Radhakanta; Undheim, Camilla; Hemmingsen, Tor; Zhang, Qian; Varfolomeev, Mikhail A.; Pavelyev, Roman S.; Vinogradova, Svetlana S.
(2021)
Multi-functional oilfield production chemicals: maleic-based polymers for gas hydrate and corrosion inhibition.
COTech & OGTech;
2021-11-25 - 2021-11-26.
Apeland, Jørgen; Pavlou, Dimitrios; Hemmingsen, Tor
(2020)
State-of-Technology and Bariers for Adoption of Fuel Cell Powered Multirotor Drones.
2020 International Conference on Unmanned Aircraft Systems (ICUAS);
2020-09-01 - 2020-09-04.
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 .
ISOPE-2017;
2017-06-25 - 2017-06-30.
Palencsar, Iozsef Attila; Seiersten, Marion; Berntsen, Tonje; Hemmingsen, Tor Henning
(2017)
Assessment of pH stabilization in low temperature regions of long subsea pipelines.
Eurocorr 2017;
2017-09-03 - 2017-09-07.
Palencsar, Iozsef Attila; Seiersten, Marion; Berntsen, Tonje; Hemmingsen, Tor
(2017)
Assessment of pH stabilization in low temperature regions of long subsea pipelines.
Oil Field Chemistry Symposium;
2017-03-26 - 2017-03-29.
Dotel, Utsav Raj; Bakrachevska, Elena; Austbø, Shane C Gjelnes; Hemmingsen, Tor Henning; Havn, Torfinn
(2015)
Corrosion resistance of tubing after bending.
16th Nordic Corrosion Congress;
2015-05-20 - 2015-05-22.
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.
CORROSION 2013;
2013-03-17 - 2013-03-21.
Farida, Winia; Hemmingsen, Tor Henning; Berntsen, Tonje; Rabindran, Patrick
(2012)
Effect of Precorrosion and Temperature on the Formation Rate of Iron Carbonate Film.
7th Pipeline Technology Conference;
2012-03-28 - 2012-03-30.
Berntsen, Tonje; Seiersten, M.; Hemmingsen, Tor Henning
(2011)
Effect of FeCO3 Supersaturation and Carbide Exposure on the CO~2 Corrosion Rate of Carbon Steel.
Corrosion Conference; Corrosion Conference and Expo 2011;
2011-03-13 - 2011-03-17.
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.
Song, Y; Palencsar, Attila; Svenningsen, Gaute; Hemmingsen, Tor Henning; Kvarekval, J.
(2011)
Effect of O2 and Temperature on Sour Corrosion.
Corrosion Conference; Corrosion Conference and Expo 2011;
2011-03-13 - 2011-03-17.
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.
Eurocorr 2010;
2010-09-13 - 2010-09-17.
Palencsar, Attila; Song, Yuan; Svenningsen, Gaute; Hemmingsen, Tor; Kvarekvål, J.
(2009)
Effect of oxygen on aqueous sour corrosion systems.
Eurocorr 2009;
2009-09-06 - 2009-09-10.
Berntsen, Tonje; Seiersten, Marion; Hemmingsen, Tor
(2008)
CO2 Corrosion of Carbon Steel at Lower Temperatures.
Eurocorr 2008;
2008-09-07 - 2008-09-11.
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.
Norwegian Chemical Society Meeting;
2006-09-21.
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; Havn, Torfinn; Hörnlund, Erik; Ferkingstad, Håkon; Voll, Frank
(2005)
Use of aluminium and zinc anodes for cathodic protection of produced water tanks and separators.
Eurocorr 2005;
2005-09-04 - 2005-09-08.
Havn, Torfinn; Hemmingsen, Tor; Hörnlund, Erik; Eriksen, Kristian
(2005)
Comparison of corrosion resistance of two duplex stainless steels after simulated welding.
Eurocorr 2005;
2005-09-04 - 2005-09-08.
Hörnlund, Erik; Havn, Torfinn; Hemmingsen, Tor
(2005)
The effect of sulphur compounds on hydrogen permeation rate in steel.
56th Annual Meeting of the International Society of Electrochemistry, 042-023 / 4B-003-O The effect of sulphur compounds on hydrogen permeation rate in steel Erik Hörnlund*, Jørn Fossen, Stian Haug;
2005-09-25 - 2005-09-30.
Hemmingsen, Tor
(2005)
Bruk av offeranoder for katodisk beskyttelse i produsert vannmiljø i separator/prosesstanker.
Drift- og vedlikeholdsdagene i Rogaland;
2005-11-22 - 2005-11-23.
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.
13th Scandinavian Corrosion Congress;
2004-04-18.
Hemmingsen, Tor; Austvoll, Ivar; Fusek, Frederik; Skavås, Erling
(2004)
Combined optical and electrochemical measurements on sulphide film formation.
13th Scandinavian Corrosion Congress;
2004-04-18.
Havn, Torfinn; Hemmingsen, Tor
(2004)
Safe use of Al-bronze components in 22Cr duplex stainlesssteel equipment.
NACE Corrosion 2004;
2004-03-28.
Hemmingsen, Tor; Skavås, Erling; Fusek, Frederik
(2004)
Sulphide film formation under alkaline conditions.
Eurocorr 2004, EFC event no.266;
2004-09-12 - 2004-09-16.
Hemmingsen, Tor; Hilbert, Lisbeth; Vendelboe Nielsen, Lars
(2003)
Assessment of sulphur and H2S corrosion by use of simultaneous ER, galvanic and optical measurements.
Eurocorr '03;
2003-09-28 - 2003-10-02.
Richter, Sonja; Hemmingsen, Tor
(2003)
A Study of Electrochemical Behaviour of Sulphur Compounds.
Eurocorr '03;
2003-09-28 - 2003-10-02.
Hemmingsen, Tor
(2003)
A comparison of sulphur compounds in saline and non-saline electrolytes on carbon steel.
54th Annual Meeting of the International Society of Electrochemistry;
2003-08-31 - 2003-09-05.
Hemmingsen, Tor
(2003)
Fjernvarme - utfordringer og muligheter.
utenTitteltekst;
2003-02-05.
Hemmingsen, Tor
(2003)
Elektrokjemiske studier omkring svovel.
utenTitteltekst;
2003-04-03.
Hemmingsen, Tor
(2003)
Assessment of sulphur and H2S corrosion by the use of simultaneous ER, galvanic and optical measurements.
utenTitteltekst;
2003-04-08.
Havn, Torfinn; Hardli, Lars; Aagotnes, Nils Olav; Hemmingsen, Tor
(2002)
Investigation of use of 316 SS in seawater protected by carbon steel.
Corrosion 2002;
2002-04-07 - 2002-04-11.
Thorarinsdottir, Ragnheidur Inga; Hemmingsen, Tor; Nordling, Magnus; Jansen, Piet
(2002)
Improved quality control - Corrosion monitoring in district heating systems.
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Volum 31.
Hefte 5.
s.34-37.
Hemmingsen, Tor
(2002)
Monitering av korrosjon i fjernvarmeanlegg- Et Nordisk Samarbeidsprosjekt.
utenTitteltekst;
2002-11-06.
Hemmingsen, Tor; Hovdan, Halfdan; Sanni, Pål; Aagotnes, Nils Olav
(2001)
Determination of Tafel lines.
The 200th Meeting of The Electrochemical Society, Inc. and the 52nd Meeting of The International Society of Electrochemistry;
2001-09-02 - 2001-09-07.
Hemmingsen, Tor; Hovdan, Halfdan; Sanni, Pål; Aagotnes, Nils Olav
(2001)
Effect of the redox potential in an electrolyte on weld corrosion.
The 200th Meeting of The Electrochemical Society, Inc. and the 52nd Meeting of The International Society of Electrochemistry;
2001-09-02 - 2001-09-07.
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
(2000)
Electrochemical and optical measurements of film formation on steel surface.
11th Australian Electrochemistry Conference. Theme: Advancing Electrochemistry in the New Millenium";
2000-12-10 - 2000-12-14.
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.
Corrosion 99 NACExpo 99;
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.
CORROSION 99 NACEexpo 99;
Hemmingsen, Tor; Hinnaland, Dag A.; Saasen, Arild
(1999)
The co-effect of asphaltenes on wax precipitation and crystallisation temperature.
9th International Oil Field Chemical Symposium (1998).;
Hemmingsen, Tor
(1999)
An evaluation of 13%Cr-steel for use in the oil wells.
9th International Oil Field Chemical Symposium (1998).;
Hemmingsen, Tor; Haarseth, Cecilie A.
(1998)
Studies of Carbonates Film Formation on Carbon Steel by Use of AC-Impedance.
The 6th International Symposium on Electrochemical Methodes in Corrosion Research;
Hemmingsen, Tor
(1993)
The Effect of Sulphite on Pitting and Crevice Corrosion on AISI 304 Stainless Steel.
4th International Oil Field Chemical Symposium;
1993-04-18 - 1993-04-21.
Hemmingsen, Tor; Hemmingsen, Tor; Våland, Torstein
(1989)
An Investigation of the Effects of HSO3-/SO32- on Steel under Anaerobic Conditions.
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