Jyrki Romu

Laboratory Engineer

Research outputs

  1. 2018
  2. Published

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

    Romu, J., Sarikka, T., Heikkilä, M., Virkkunen, I. & Hänninen, H., 1 Jun 2018, In : Materials and Corrosion. 69, 6, p. 690-702 13 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. Published

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

    Lindgren, M., Huttunen-Saarivirta, E., Peltola, H., Romu, J., Sarikka, T., Hänninen, H. & Pohjanne, P., Feb 2018, In : Corrosion. 74, 2, p. 225-240

    Research output: Contribution to journalArticleScientificpeer-review

  4. 2017
  5. Published
  6. Published

    Käyttövarmuutta kattiloihin uusilla materiaalivaihtoehdoilla

    Romu, J., Hänninen, H., Tuurna, S., Mahanen, J. & Puikkonen, T., 1 Jan 2017, In : Hitsaustekniikka. 67, 1, p. 20 - 22 3 p.

    Research output: Contribution to journalArticleProfessional

  7. 2016
  8. Published

    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

    Karhu, M., Kujanpää, V., Romu, J. & Sarikka, T., May 2016, In : JOURNAL OF LASER APPLICATIONS. 28, 2, 9 p., 022422.

    Research output: Contribution to journalArticleScientificpeer-review

  9. Published

    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

    Karhu, M., Kujanpää, V., Romu, J. & Sarikka, T., 2016, 34th International Congress on Applications of Lasers and Electro-Optics (ICALEO2015), Atlanta, October 18 - 22, 2015, GA, USA. p. 465-474

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

  10. 2015
  11. Published

    Insights into corrosion in dye solar cells

    Miettunen, K., Etula, J., Saukkonen, T., Jouttijärvi, S., Halme, J., Romu, J. & Lund, P., Aug 2015, In : Progress in Photovoltaics. 23, 8, p. 1045-1056 12 p.

    Research output: Contribution to journalArticleScientificpeer-review

  12. Published

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

    Pohjanne, P., Vepsäläinen, M., Saario, T., Sipilä, K., Romu, J., Saukkonen, T., Hänninen, H., Heikkilä, M., Koskiniemi, J., Berg, C-G. & 3 othersPulliainen, M., Virtanen, I. & Ohligschläger, T., Jul 2015, In : Corrosion. 71, 7, p. 887-894 8 p.

    Research output: Contribution to journalArticleScientificpeer-review

  13. 2014
  14. Published

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

    Miettunen, K., Jouttijärvi, S., Jiang, R., Saukkonen, T., Romu, J., Halme, J. & Lund, P., 2014, In : Journal of the Electrochemical Society. 161, 3, p. H138-H143 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  15. Published

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

    Sirén, M., Pohjanne, P., Kujanpää, V., Hirn, J., Romu, J. & Heikkinen, H-P., 2014, In : Materials Science Forum. p. 1003-1008

    Research output: Contribution to journalArticleScientificpeer-review

  16. 2013
  17. Published

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

    Vepsäläinen, M., Pohjanne, P., Romu, J., Saukkonen, T., Hänninen, H., Heikkilä, M., Ohligschläger, T., Berg, C-G. & Pulliainen, M., 2013, NACE Corrosion Conference & Expo, CORROSION 2013, March 17-21, 2013, Orlando, Florida, USA. p. paper No. 2618, 15 p

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

  18. 2012
  19. Published

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

    Leinonen, H., Pohjanne, P., Chasse, K., Singh, P., Romu, J., Saukkonen, T. & Hänninen, H., 2012, NACE Corrosion Conference & Expo, CORROSION 2012, March 11-15, 2012, Salt Lake City, Utah, USA. p. Paper No. C2012-0001746, 21 p

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

  20. Published

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

    Nevasmaa, P., Sirén, M., Karjalainen-Roikonen, P., Hirn, J., Romu, J., Hänninen, H., Sieppi, V., Heikkinen, H-P., Manninen, T. & Säynäjäkangas, J., 2012, 65th Annual Assembly of the International Institute of Welding, July 8-11, 2012, Denver, Colorado, USA. Institute of Welding, I. (ed.). International Institute of Welding, p. 21

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

  21. Published

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

    Leinonen, H., Pohjanne, P., Romu, J., Saukkonen, T., Schildt, T. & Hänninen, H., 2012, NACE Corrosion Conference & Expo, CORROSION 2012, March 11-15, 2012, Salt Lake City, Utah, USA. p. Paper No. C2012-0001202, 12 p

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

  22. 2011
  23. Published

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

    Leinonen, H., Pohjanne, P., Saukkonen, T., Schildt, T., Romu, J. & Hänninen, H., 2011, Nace Corrosion 2011 Conference & Expo, March 13-17, 2011, Houston, Texas, USA. 17 p.

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

  24. Published

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

    Romu, J., Saukkonen, T., Schildt, T., Hänninen, H., Leinonen, H. & Pohjanne, P., 2011, 7th European Stainless Steel Conference Science and Market, September 21-23, 2011, Como, Italy. AIM-Associazione Italiana di Metallurgia, p. 12

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

  25. 2010
  26. Published

    Toughness Properties of Ferritic Stainless Steels

    Levonmaa, R., Hänninen, H. & Romu, J., 2010, Espoo, p. 49, (Aalto yliopiston teknillisen korkeakoulu, koneenrakennustekniikan laitos; no. TKK-K-1/10).

    Research output: Working paperProfessional

  27. 2009
  28. Published

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

    Straka, L., Kawakami, H., Romu, J., Ilola, R., Mahlberg, R., Heikkilä, M. & Hänninen, H., 1 May 2009, In : Thin Solid Films. 517, 13, p. 3797-3805 9 p.

    Research output: Contribution to journalArticleScientificpeer-review

  29. Published

    Hybridipinnoitteilla lisäarvoa metallituotteille

    Mahiout, A., Siivinen, J., Mannila, J., Nikkola, J., Mahlberg, R., Romu, J., Ilola, R., Söderberg, O., Virtanen, J., Pehkonen, A. & 5 othersNiemi, R., Katajarinne, T., Koskinen, J., Kivivuori, S. & Hannula, S-P., 2009, Espoo, (VTT TIEDOTTEITA - RESEARCH NOTES; no. 2517).

    Research output: Working paperProfessional

  30. 2008
  31. Published

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

    Straka, L., Yagodzinskyy, Y., Kawakami, H., Romu, J., Ilola, R. & Hänninen, H., 28 Nov 2008, In : Thin Solid Films. 517, 2, p. 641-647 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  32. Published

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

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

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

  33. Published

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

    Kawakami, H., Ilola, R., Straka, L., Papula, S., Romu, J., Hänninen, H., Mahlberg, R. & Heikkilä, M., 2008, In : Journal of the Electrochemical Society. 155, 2, p. C62-C68 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  34. Published

    Puhtaat ympäristöystävälliset metallituotteet - Puhteet-projektin loppuraportti

    Mahiout, A., Mannila, J., Mahlberg, R., Nikkola, J., Siivinen, J., Romu, J., Ilola, R., Söderberg, O., Kolari, M., Koskinen, J. & 1 othersHannula, S-P., 2008, Espoo, (VTT Tiedotteita - Research notes; no. 2400).

    Research output: Working paperProfessional

  35. Published

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

    Mahlberg, R., Mannila, J., Romu, J., Nikkola, J., Ilola, R., Söderberg, O., Koskinen, J., Hannula, S-P. & Mahiout, A., 2008, The 6th European Stainless Steel Conference Science and Market 2008. P. Karjalainen & Hertzman, S. (eds.). Jernkontoret, p. 101-108 8 p.

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

  36. Published

    Trends in Forming and Welding of Stainless Steels

    Hänninen, H. & Romu, J., 2008, 6th European Stainless Steel Conference, June 10-13, Helsinki, Finland. Karjalainen, P. & Hertzman, S. (eds.). Jernkontoret, The Swedish Steel Producers' Association, p. 779-785

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

  37. 2006
  38. Published

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

    Yagodzinskyy, Y., Saukkonen, T., Romu, J. & Hänninen, H., 2006, High nitrogen steels HNS 2006, 29-31 August 2006, Jiuzhaigou, Sichuan, China. Dong, H., Su, J. & Speidel, M. (eds.). p. 59-66

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

  39. 2005
  40. Published

    Copper-carbon Composites

    Romu, J., Yagodzinskyy, Y. & Hänninen, H., 2005, Espoo, p. 147, (TKK Raportti MTR; no. 6/05).

    Research output: Working paperProfessional

  41. Published

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

    Petterson, R., Flyg, J., Wessman, S., Herting, G., Ibrahim, N., Fatehi, K., Qvarfot, R., Lo Piccolo, E., Scoppio, L., Ladwein, T. & 16 othersLigier, V., Coudreuse, L., Matres Serrano, V., Hochölter, G., Kristzt, K., Richter, A., Kivisäkk, U., Leinonen, H., Kinnunen, T., Varis, P., Nöjd, K., Ohligschläger, T., Virkkunen, I., Hänninen, H., Romu, J. & Taulavuori, T., 2005, Luxembourg, p. 137, (European Commission Technical Steel Research, Final Report).

    Research output: Working paperProfessional

  42. Published

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

    Romu, J., Yagodzinskyy, Y., Papula, S., Beck, W. & Hänninen, H., 2005, 4th European Conference on Superplastic Forming - Euro SPF'05, June 22-24, 2005, Manchester, UK. p. 73-77

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

  43. Published

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

    Yagodzinskyy, Y., Romu, J. & Hänninen, H., 2005, 12th Annular International Conference on Composites/Nano Engineering, Tenerife, Spain, August 1-6, 2005. p. 2

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

  44. 2004
  45. Published

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

    Yagodzinskyy, Y., Pimenoff, J., Tarasenko, O., Romu, J., Nenonen, P. & Hänninen, H., Jul 2004, In : Materials Science and Technology. 20, 7, p. 925-929 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  46. Published

    Grain Refinement Process for Superplastic Forming of AISI 301 and 304L Austenitic Stainless Steels

    Yagodzinskyy, Y., Pimenoff, J., Tarasenko, J., Romu, J., Nenonen, P. & Hänninen, H., 2004, In : Materials Science and Technology. 20, p. 925

    Research output: Contribution to journalArticleScientificpeer-review

  47. Published

    Manufacturing of Shaped Forms from Stainless Steels with Superplastic Forming

    Romu, J., Yagodzinskyy, Y., Beck, W. & Hänninen, H., 2004, In : Materials Science Forum. 447-448, p. 159-164 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  48. Published

    Manufacturing of shapes forms from stainless steels with superplastic forming

    Romu, J., Yagodzinskyy, Y., Bleck, W. & Hänninen, H., 2004, In : Materials Science Forum. 447-448, p. 159-164

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    Nanokiteisen kuparin valmistus, mikrorakenne ja mekaaniset ominaisuudet

    Romu, J. & Hänninen, H., 2004, Espoo, p. 77, (TKK Raportti MTR 1/04).

    Research output: Working paperProfessional

  50. Published

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

    Yagodzinskyy, Y., Romu, J., Nenonen, P. & Hänninen, H., 2004, 7th International Conference on High Nitrogen Steels, HNS 2004, September 19-22, 2004, Ostend, Belgium. Akdut, N., De Cooman, B. C. & Foct, J. (eds.). p. 103-112

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

  51. Published

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

    Romu, J., Yagodzinskyy, Y., Beck, W. & Hänninen, H., 2004, EuroSPF 2004, European Conference on SuperPlastic Forming, July 7th - 9th, 2004, Albi, France. p. 45-50

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

  52. 2003
  53. Published

    Katalyyttipinnat ja niiden valmistus

    Ilola, R., Romu, J., Papula, S. & Hänninen, H., 2003, Espoo, p. 49, (TKK Raportti MTR 1/03).

    Research output: Working paperProfessional

  54. Published

    Pintojen likaantumisen estäminen katalyyttisesti-PLIESKA

    Romu, J., Ilola, R., Yagodzinskyy, Y., Papula, S. L. & Carpén, L., 2003, Likaantumattomat pinnat-Teknologiaohjelman seminaari, 21.-22.10.2003, Hanasaari-Ruotsalaissuomalainen kulttuurikeskus, Espoo. p. 15

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

  55. Published

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

    Hänninen, H., Talonen, J., Romu, J., Leinonen, H., Laitinen, A. & Korhonen, M., 2003, International Conference on High Nitrogen Steels HNS 2003, Schaffhausen, Switzerland, 26-28.3.2003. p. 31-42

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

  56. 2002
  57. Published

    Alumiinin superplastinen muovaus

    Romu, J., 2002, Alumiinipäivät 2002, 24. - 25.10. 2002, Sokos Hotel Lahden Seurahuone, Lahti. p. 26

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

  58. Published

    Metallien superplastinen muovaus

    Pimenoff, J. & Romu, J., 2002, Helsinki, (Tekninen tiedotus, MET-julkaisuja 11/2002).

    Research output: Working paperProfessional

  59. Published

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

    Pimenoff, J., Romu, J., Yagodzinskyy, Y. & Hänninen, H., 2002, 2nd Joint European Meeting on Superplasticity and Superplastic Forming (Euro-SPF 02), 13th-15th June, 2002, Bristol, Great Britain. p. 8

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

  60. Published

    Superplasticity in stainless steels

    Romu, J. & Hänninen, H., 2002, Espoo, (TKK Raportti MTR 1/02).

    Research output: Working paperProfessional

  61. Published

    Superplastinen muovaus

    Romu, J., 2002, Levytekniikan teemapäivät, Steel Forum 2002, 10.-11.10.2002, Rantasipi EDEN, Nokia. p. 23

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

  62. 2001
  63. Published

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

    Hänninen, H., Romu, J., Ilola, R., Tervo, J. & Laitinen, A., 23 Nov 2001, In : Journal of Materials Processing Technology. 117, 3, p. 424-430

    Research output: Contribution to journalArticleScientificpeer-review

  64. Published

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

    Pimenoff, J., Yagodzinskyy, Y., Romu, J. & Hänninen, H., Jan 2001, In : Materials Science Forum. 357-359, p. 277-282 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  65. Published

    Superplastic Forming of Commercial Grade Aluminium and Stainless Steel Sandwich Panels

    Pimenoff, J., Yagodzinskyy, Y., Romu, J. & Hänninen, H., 2001, International Congress on Advanced Materials and Processes (Materials Week 2001), 1st-14th October, 2001, Munich, Germany.

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

  66. Published

    Superplastisuus kevytrakenteiden valmistuksessa

    Romu, J., 2001, Kevyet rakenteet ja materiaalit koneenrakennuksessa - koulutus, 6.-8.2.2001, Tampereen teknillisen korkeakoulun täydennyskeskus Edutech, Tampere. p. 25

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

  67. 2000
  68. Published
Previous 1 2 Next

ID: 61650