Jyrki Romu

Crevice corrosion of stainless steels 904L, 2205 and 2507 in high-temperature sulfuric acid solution containing chlorides: Influence of metal cations

Mari Lindgren, Elina Huttunen-Saarivirta, Heljä Peltola, Jyrki Romu, Teemu Sarikka, Hannu Hänninen, Pekka Pohjanne 2018 Corrosion

Early stage oxidation behavior of Al- and Si-alloyed stainless steels as well as Ni-based alloys in air at elevated temperatures

Jyrki Romu, Teemu Sarikka, Mikko Heikkilä, Iikka Virkkunen, Hannu Hänninen 2018 Materials and Corrosion

Hydrogen effects on mechanical properties of 18% Cr ferritic stainless steel

E. Malitckii, Y. Yagodzinskyy, P. Lehto, H. Remes, J. Romu, H. Hänninen 2017 MATERIALS SCIENCE AND ENGINEERING A: STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING

Käyttövarmuutta kattiloihin uusilla materiaalivaihtoehdoilla

Jyrki Romu, Hannu Hänninen, Satu Tuurna, Jouni Mahanen, Tony Puikkonen 2017 Hitsaustekniikka

Metallurgical response of weld metal to different filler metal and joint design combinations of laser-arc hybrid welded lean duplex and novel ferritic stainless steels

Miikka Karhu, Veli Kujanpää, Jyrki Romu, Teemu Sarikka 2016 34th International Congress on Applications of Lasers and Electro-Optics (ICALEO2015), Atlanta, October 18 - 22, 2015, GA, USA

Metallurgical response of weld metal to different filler metal and joint design combinations of laser-arc hybrid welded lean duplex and novel ferritic stainless steels

Miikka Karhu, Veli Kujanpää, Jyrki Romu, Teemu Sarikka 2016 Journal of Laser Applications

Insights into corrosion in dye solar cells

Kati Miettunen, Jarkko Etula, T. Saukkonen, S. Jouttijärvi, J. Halme, Jyrki Romu, Peter Lund 2015 Progress in Photovoltaics

Effect of Electrochemical Potential on Stress Corrosion Cracking Susceptibility of EN 1.4301 (AISI 304) Austenitic Stainless Steels in Simulated Hot Black Liquor

Pekka Pohjanne, Mikko Vepsäläinen, Timo Saario, Konsta Sipilä, Jyrki Romu, Tapio Saukkonen, Hannu Hänninen, Mikko Heikkilä, Juha Koskiniemi, Carl-Gustav Berg, Martti Pulliainen, Isto Virtanen, Thomas Ohligschläger 2015 Corrosion

Low Cost Ferritic Stainless Steel in Dye Sensitized Solar Cells with Cobalt Complex Electrolyte

Kati Miettunen, Sami Jouttijärvi, Roger Jiang, Tapio Saukkonen, Jyrki Romu, Janne Halme, Peter Lund 2014 Journal of the Electrochemical Society

Mechanical and corrosion properties of welded joints in new generation ferritic and duplex stainless steels

Mika Sirén, Pekka Pohjanne, Veli Kujanpää, Justus Hirn, Jyrki Romu, Hannu-Pekka Heikkinen 2014 Materials Science Forum

Effect of Alloy Composition and Temperature on Corrosion Behavior of Stainless Steels in Hot Alkaline Solutions

M. Vepsäläinen, P. Pohjanne, J. Romu, T. Saukkonen, H. Hänninen, M. Heikkilä, T. Ohligschläger, C-G. Berg, M. Pulliainen 2013 NACE Corrosion Conference & Expo, CORROSION 2013, March 17-21, 2013, Orlando, Florida, USA

Effect of Alloy Composition on Stress Corrosion Cracking Susceptibility of Duplex Stainless Steels in Hot Alkaline Sulfide Solution

Heikki Leinonen, Pekka Pohjanne, Kevin Chasse, Preet Singh, Jyrki Romu, Tapio Saukkonen, Hannu Hänninen 2012 NACE Corrosion Conference & Expo, CORROSION 2012, March 11-15, 2012, Salt Lake City, Utah, USA

Selective Dissolution and Stress Corrosion Cracking Susceptibility of Austenitic and Duplex Stainless Steels in Sulfide Containing Alkaline Solutions

Heikki Leinonen, Pekka Pohjanne, Jyrki Romu, Tapio Saukkonen, Tanja Schildt, Hannu Hänninen 2012 NACE Corrosion Conference & Expo, CORROSION 2012, March 11-15, 2012, Salt Lake City, Utah, USA

New Generation Ferritic and Duplex Stainless Steels: Preliminary Study on Mechanical and In-Service Properties of Base Materials and Welded Joints

Pekka Nevasmaa, Mika Sirén, Päivi Karjalainen-Roikonen, Justus Hirn, Jyrki Romu, Hannu Hänninen, Ville Sieppi, Hannu-Pekka Heikkinen, Timo Manninen, Jukka Säynäjäkangas 2012 65th Annual Assembly of the International Institute of Welding, July 8-11, 2012, Denver, Colorado, USA

Effect of Selective Dissolution on Stress Corrosion Cracking Susceptibility of Austenitic and Duplex Stainless Steels in Alkaline Solutions

Heikki Leinonen, Pekka Pohjanne, Tapio Saukkonen, Tanja Schildt, Jyrki Romu, Hannu Hänninen 2011 Nace Corrosion 2011 Conference & Expo, March 13-17, 2011, Houston, Texas, USA

Effect of Sodium Sulphide Addition on Selective Dissolution and Stress Corrosion Cracking Susceptibility of Austenitic and Duplex Stainless Steels in Alkaline Solutions

Jyrki Romu, Tapio Saukkonen, Tanja Schildt, Hannu Hänninen, Heikki Leinonen, Pekka Pohjanne 2011 7th European Stainless Steel Conference Science and Market, September 21-23, 2011, Como, Italy

Toughness Properties of Ferritic Stainless Steels

Raimo Levonmaa, Hannu Hänninen, Jyrki Romu 2010

Hybridipinnoitteilla lisäarvoa metallituotteille

Amar Mahiout, Jarmo Siivinen, Juha Mannila, Juha Nikkola, Riitta Mahlberg, Jyrki Romu, Risto Ilola, Outi Söderberg, Jorma Virtanen, Antero Pehkonen, Raisa Niemi, Tuomas Katajarinne, Jari Koskinen, Seppo Kivivuori, Simo-Pekka Hannula 2009

Effect of substrate deformation on functional properties of atomic-layer-deposited TiO2 coatings on stainless steel

Ladislav Straka, Hiroshi Kawakami, Jyrki Romu, Risto Ilola, Riitta Mahlberg, Mikko Heikkilä, Hannu Hänninen 2009 Thin Solid Films

Trends in Forming and Welding of Stainless Steels

Hannu Hänninen, Jyrki Romu 2008 6th European Stainless Steel Conference, June 10-13, Helsinki, Finland

Photocatalytic Activity of Atomic Layer Deposited (ALD) TiO2 Coatings on Austenitic Stainless Steels and Copper Alloys

R. Ilola, H. Kawakami, L. Straka, S. Papula, J. Romu, Hannu Hänninen, Riitta Mahlberg, Mikko Heikkilä 2008 Euromat 2007, Nürnberg, Saksa, 10.-13.9.2007

Photocatalytic Activity of Atomic Layer Deposited TiO2 Coatings on Austenitic Stainless Steels and Copper Alloys

Hiroshi Kawakami, Risto Ilola, Ladislav Straka, Suvi Papula, Jyrki Romu, Hannu Hänninen, Riitta Mahlberg, Mikko Heikkilä 2008 Journal of the Electrochemical Society

Puhtaat ympäristöystävälliset metallituotteet - Puhteet-projektin loppuraportti

Amar Mahiout, Juha Mannila, Riitta Mahlberg, Juha Nikkola, Jarmo Siivinen, Jyrki Romu, Risto Ilola, Outi Söderberg, Mika Kolari, Jari Koskinen, Simo-Pekka Hannula 2008

Soil resistant and self-cleaning surfaces of stainless steel with new Sol-gel and ALD coatings

Riitta Mahlberg, Juha Mannila, Jyrki Romu, Juha Nikkola, Risto Ilola, Outi Söderberg, Jari Koskinen, Simo-Pekka Hannula, Amar Mahiout 2008 The 6th European Stainless Steel Conference Science and Market 2008

Open-circuit potential as an indicator of damage of atomic layer deposited TiO2 on AISI 304 stainless steel

Ladislav Straka, Yuriy Yagodzinskyy, Hiroshi Kawakami, Jyrki Romu, Risto Ilola, Hannu Hänninen 2008 Thin Solid Films

Comparative Study of Nitrogen and Carbon Effects on Mechanism of Reversion of a´ Martensite to Austenite in Metastable AISI 301 Steel Grades

Yuriy Yagodzinskyy, Tapio Saukkonen, Jyrki Romu, Hannu Hänninen 2006 High nitrogen steels HNS 2006, 29-31 August 2006, Jiuzhaigou, Sichuan, China

Critical Evaluation of the Effect of Alloyed Nitrogen on the Susceptibility of Stainless Steels to Environmentally Induced Cracking

R. Petterson, J. Flyg, S. Wessman, G. Herting, N. Ibrahim, K. Fatehi, R. Qvarfot, E. Lo Piccolo, L. Scoppio, T. Ladwein, V. Ligier, L. Coudreuse, V. Matres Serrano, G. Hochölter, K. Kristzt, A. Richter, U. Kivisäkk, H. Leinonen, T. Kinnunen, T. Ohligschläger, Iikka Virkkunen, Hannu Hänninen, Jyrki Romu, T. Taulavuori, Päivi Varis, Kirsti Nöjd 2005

Copper-carbon Composites

Jyrki Romu, Yuriy Yagodzinskyy, Hannu Hänninen 2005

Effect of Forming Temperature and Cooling Rate on Superplastic Formability and Corrosion Resistance of EN 1.4162 Duplex Stainless Steel

Jyrki Romu, Yuriy Yagodzinskyy, Suvi Papula, W. Beck, Hannu Hänninen 2005 4th European Conference on Superplastic Forming - Euro SPF'05, June 22-24, 2005, Manchester, UK

Mechanical and Electrical Properties of CNT/copper Nanocomposites Processed by Hot Pressing

Yuriy Yagodzinskyy, Jyrki Romu, Hannu Hänninen 2005 12th Annular International Conference on Composites/Nano Engineering, Tenerife, Spain, August 1-6, 2005

Manufacturing of Shaped Forms from Stainless Steels with Superplastic Forming

Jyrki Romu, Yuriy Yagodzinskyy, Werner Beck, Hannu Hänninen 2004 Materials Science Forum

Manufacturing of shapes forms from stainless steels with superplastic forming

Jyrki Romu, Yuriy Yagodzinskyy, Wofgang Bleck, Hannu Hänninen 2004 Materials Science Forum

Nanokiteisen kuparin valmistus, mikrorakenne ja mekaaniset ominaisuudet

Jyrki Romu, Hannu Hänninen 2004

Superplastic Forming of LDX 2101 (EN 1.4162) Duplex Stainless Steel

Jyrki Romu, Yuriy Yagodzinskyy, W. Beck, Hannu Hänninen 2004 EuroSPF 2004, European Conference on SuperPlastic Forming, July 7th - 9th, 2004, Albi, France

Grain refinement processes for superplastic forming of AISI 304 and 304L austenitic stainless steels

Yuriy Yagodzinskyy, Joe Pimenoff, O. Tarasenko, Jyrki Romu, Pertti Nenonen, Hannu Hänninen 2004 Materials Science and Technology

Nitrogen and Carbon Effects on Mechanisms of Reversion of Martensite to Austenite in Metastable AISI 301 Steel Grades and Their Hot Formability

Yuriy Yagodzinskyy, Jyrki Romu, Pertti Nenonen, Hannu Hänninen 2004 7th International Conference on High Nitrogen Steels, HNS 2004, September 19-22, 2004, Ostend, Belgium

Summary of Recent Research on N-alloying of Steels in Finland

Hannu Hänninen, Juho Talonen, Jyrki Romu, Heikki Leinonen, Arttu Laitinen, Mika Korhonen 2003 International Conference on High Nitrogen Steels HNS 2003, Schaffhausen, Switzerland, 26-28.3.2003

Katalyyttipinnat ja niiden valmistus

Risto Ilola, Jyrki Romu, Suvi Papula, Hannu Hänninen 2003

Pintojen likaantumisen estäminen katalyyttisesti-PLIESKA

Jyrki Romu, Risto Ilola, Youri Yagodzinskyy, Suvi Leino Papula, Leena Carpén 2003 Likaantumattomat pinnat-Teknologiaohjelman seminaari, 21.-22.10.2003, Hanasaari-Ruotsalaissuomalainen kulttuurikeskus, Espoo

Metallien superplastinen muovaus

Joe Pimenoff, Jyrki Romu 2002

Superplasticity and Superplastic Forming in Finland - Recent Advancements and Future Prospects

Joe Pimenoff, Jyrki Romu, Yuouri Yagodzinskyy, Hannu Hänninen 2002 2nd Joint European Meeting on Superplasticity and Superplastic Forming (Euro-SPF 02), 13th-15th June, 2002, Bristol, Great Britain

Alumiinin superplastinen muovaus

Jyrki Romu 2002 Alumiinipäivät 2002, 24. - 25.10. 2002, Sokos Hotel Lahden Seurahuone, Lahti

Superplasticity in stainless steels

Jyrki Romu, Hannu Hänninen 2002

Superplastinen muovaus

Jyrki Romu 2002 Levytekniikan teemapäivät, Steel Forum 2002, 10.-11.10.2002, Rantasipi EDEN, Nokia

Effects of Processing and Manufacturing of High Nitrogen-containing Stainless Steels on their Mechanical, Corrosion and Wear Properties

Hannu Hänninen, Jyrki Romu, Risto Ilola, Jyrki Tervo, Arttu Laitinen 2001 Journal of Materials Processing Technology

Effects of the temperature of warm rolling on the superplastic behaviour of AA5083 aluminium base alloy

J. Pimenoff, Y. Yagodzinskyy, J. Romu, Hannu Hänninen 2001 Materials Science Forum

Superplastic Forming of Commercial Grade Aluminium and Stainless Steel Sandwich Panels

Joe Pimenoff, Youri Yagodzinskyy, Jyrki Romu, Hannu Hänninen 2001 International Congress on Advanced Materials and Processes (Materials Week 2001), 1st-14th October, 2001, Munich, Germany

Superplastisuus kevytrakenteiden valmistuksessa

Jyrki Romu 2001 Kevyet rakenteet ja materiaalit koneenrakennuksessa - koulutus, 6.-8.2.2001, Tampereen teknillisen korkeakoulun täydennyskeskus Edutech, Tampere

Effect of Nitrogen Content on Precipitation Behaviour and Properties of P/M High Nitrogen Austenitic Stainless Steels

J. Romu 2000 Acta Polytechnica Scandinavica, Mechanical Engineering Series

Effect of Recrystallisation Annealing on Grain Refinement for Superplastic Forming of Cold Rolled AA 5083 Aluminium Base Alloy

J. Yagodzinskyy, J. Pimenoff, J. Romu, O. Tarasenko, Hannu Hänninen 2000 ADVANCES IN MECHANICAL BEHAVIOUR, PLASTICITY AND DAMAGE, VOLS 1 AND 2, PROCEEDINGS

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