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Tapahtumat ja viestintä

Tulevaisuuden tuotantoteknologiat (FMT) -tutkimusryhmän julkaisut:

1. Mäntyjärvi K., Keskitalo M., Karjalainen J. A., Leiviskä A., Heikkala J., Mäkikangas J.: Laser-Assisted Bending, International Journal of Key Engineering Materials Vol. 344, Trans Tech Publications, ISBN 0-87849-937-5 (2007)
2. Karjalainen J.A., Mäntyjärvi K., Juuso M.: Punching Force Reduction With Wave-Formed Tools, International Journal of Key Engineering Materials Vol. 344, Trans Tech Publications, ISBN 0-87849-937-5 (2007)
3. Mäntyjärvi K., Leiviskä A., Karjalainen J.A., Keskitalo M., Heikkala J., Mäkikangas J.: Local Laser Heat Treatments In Bending Ultra-High Strength Steel, Proceedings of the 11th NOLAMP Conference in Laser Processing of Materials, August 2007, Lappeenranta, Finland, pp 291-297, ISBN 978-952-214-412-6 (2007)
4. Mäntyjärvi K., Karjalainen J.A., Leiviskä A., Mäkikangas J., Keskitalo M., Niemelä J.: Local Laser Heat Treatments In Making Tailored Strength Steel Constructions, Proceedings of the 11th NOLAMP Conference in Laser Processing of Materials, August 2007, Lappeenranta, Finland, pp 315-322, ISBN 978-952-214-412-6 (2007)
5. Mäkikangas J., Mäntyjärvi K., Keskitalo M., Karjalainen J. A., Niemelä J., Ojala J: Laser Welding Of Coated Sheet Metal Constructions, Proceedings of the 11th NOLAMP Conference in Laser Processing of Materials, August 2007, Lappeenranta, Finland, pp 340-348, ISBN 978-952-214-412-6 (2007)
6. Porter J, Heikkala J., Mäntyjärvi K., Karjalainen J.:Combined Laser Micro-Forming And Machining Of Sheet Metal, Proceedings of the 11th NOLAMP Conference in Laser Processing of Materials, August 2007, Lappeenranta, Finland, pp 493-501, ISBN 978-952-214-412-6 (2007)
7. Keskitalo M., Mäntyjärvi K., Mäkikangas J., Karjalainen J.A., Leiviskä A. Heikkala J.: Local Laser Heat Treatments Of Ultrahigh Strength Steel, Proceedings of the 11th NOLAMP Conference in Laser Processing of Materials, August 2007, Lappeenranta, Finland, pp 536-543, ISBN 978-952-214-412-6 (2007)
8. Mäntyjärvi K., Karjalainen J. A., Leiviskä A., Keskitalo M., Mäkikangas J:, Ojala J.: Laser-Assisted Processes - More Speed And Less Force For Manufacturing Processes, Proceedings of the 11th NOLAMP Conference in Laser Processing of Materials, August 2007, Lappeenranta, pp 544-553, Finland, ISBN 978-952-214-412-6 (2007)
9. Laitinen R., Kömi j., Keskitalo M., Mäkikangas J. Improvement of the strenght of welded joints in ultra-high-strength OPTIM 960 QC using autogenous Yb:YAG laser welding, Proceedings of the 11th NOLAMP Conference in Laser Processing of Materials, August 2007, Lappeenranta, pp 204-215, Finland, ISBN 978-952-214-412-6 (2007)
10. Mäntyjärvi K., Tulonen J., Saarnivuo T., Porter J., Karjalainen J.A.: Grid Patterns by Laser for Forming Strain Analysis, International Journal of Material Forming, Proceedings of the 11th ESAFORM conference on Material Forming, April 2008, Lyon, France, pp 329-332, ISSN 1960-6206 (2008)
11. Mäntyjärvi K., Tulonen J., Saarnivuo T., Karjalainen J.A.: Properties of Grid Patterns Produced by Laser for Strain Analysis, Proceedings of the IDDRG 2008 International Conference, June 2008, Olofström, Sweden, ISBN 978-91-633-2944-7 (2008)
12. Teemu Saarnivuo T., Tulonen T., Mäntyjärvi K., Porter J., Karjalainen J.A.: Lasermenetelmä venymäanalyysiverkkojen valmistamiseen, Ohutlevy 1/08, (2008)
13. Mäntyjärvi K., Merklein M., Karjalainen J.A.: UHS Steel Formability in Flexible Roll Forming, Key Engineering Materials (Volumes 410 - 411), pp 661-668 (2009)
14. Väisänen A. Mäntyjärvi K. Karjalainen J:A.: Bendability of Ultra-High-Strength Steel, Key Engineering Materials (Volumes 410 - 411), pp 611-620 (2009)
15. Keskitalo M., Mäntyjärvi K.: Yb:YAG Disc Laser Welding of Austenitic Stainless Steel Without Filler Material, Key Engineering Materials (Volumes 410 - 411), pp 87-96 (2009)
16. Mäntyjärvi K. Väisänen A. Karjalainen J.: Cutting Method Influence On The Fatigue Resistance Of Ultra-High-Strength Steel, International Journal of Material Forming, Volume 2, Supplement 1 / August, 2009, pp 547-550, December 23, 2009, Springer Paris, (2009)
17. Keskitalo M., Mäntyjärvi K.: The Static and Dynamic Strength Properties of Laser Welded Work Hardened Stainless Steel, Proceedings of the 12th NOLAMP Conference in Laser Processing of Materials, 24th-26th of August 2009, Copenhagen, Denmark (2009)
18. Mäkikangas J., Mäntyjärvi K., Ojala J.: Joining of Colour-Coated Sheet Metals With Yb:Yag Disk Laser, Proceedings of the 12th NOLAMP Conference in Laser Processing of Materials, 24th-26th of August 2009, Copenhagen, Denmark (2009)
19. Mäntyjärvi K., Karjalainen J.A., Järvenpää A., Ojala J., Keskitalo M., Mäkikangas J.: Water Cooling in Sheet Metal Laser Hardening, Proceedings of the 12th NOLAMP Conference in Laser Processing of Materials, 24th-26th of August 2009, Copenhagen, Denmark (2009)
20. Mäkikangas J.: Maalipinnoitetun ohutlevyn liittäminen laserhitsauksella, Ohutlevy 2/2009 (2009)
21. Järvenpää, A.; Mäntyjärvi, K.; Merklein, M.; Määttää, A.; Hietala, M.; Karjalainen, J.: Mechanical Properties of Laser Heat Treated 6 mm Thick UHSS-Steel. In: Menary, G. (Edt.): The 14th International ESAFORM Conference on Material Forming, 1353(2011), AIP Conference Proceedings, pp. 1319-1324
22. Määttä A., Mäntyjärvi K., Karjalainen J.A.: Incremental Bending of Ultra-High-Strength Steels, International Journal of Key Engineering Materials Vol. 473, Trans Tech Publications, ISBN 13 978-3-03785-083-1 (2011)
23. Kantola J., Mäntyjärvi K., Toppila R., Karjalainen J.A.; The Effects of Notch Manufacturing Method and Tolerance on Impact Test Results of UHS Steels, International Journal of Key Engineering Materials Vol. 473, Trans Tech Publications, ISBN 13 978-3-03785-083-1 (2011)
24. Lämsä J., Mäntyjärvi K., Järvenpää A., Grüner M., Merklein M., Karjalainen J.A.: Methods for determination of residual stress of a formed plate using laser ablation, International Journal of Key Engineering Materials Vol. 473, Trans Tech Publications, ISBN 13 978-3-03785-083-1 (2011)
25. Keskitalo M., Mäntyjärvi K., Kiuru T.: The low cycle fatigue strength of laser welded Ultra high strength steel, International Journal of Key Engineering Materials Vol. 473, Trans Tech Publications, ISBN 13 978-3-03785-083-1 (2011)
26. Rasmus M., Mäntyjärvi K., Karjalainen J.A.: Small Batch Laser Welding using Light Fasteners and Laser Tack Welding, International Journal of Key Engineering Materials Vol. 473, Trans Tech Publications, ISBN 13 978-3-03785-083-1 (2011)
27. A. Järvenpää, P. Karjalainen, K. Mäntyjärvi: Passive laser assisted bending of ultra-high strength steels, 2nd ICAMPP, The 2nd 2011 International Conference on Advances in Materials and Manufacturing Processes, Dec. 16-18, 2011, Guilin, China, (2011)
28. Määttä A, Järvenpää A, Jaskari M, Mäntyjärvi K, Karjalainen J.A.:Influence of Predetermined Surface Defect to the Bendability of Ultra-High-Strength Steel, International Journal of Key Engineering Materials Vol. 504-505, pp 901-906, Trans Tech Publications, (2012)
29. K. Kutuniva, J.A. Karjalainen, K. Mäntyjärvi: Effect of convex sheared punch geometry on cutting force of ultra-high-strength steel, International Journal of Key Engineering Materials Vol. 504-505, pp 901-906, Trans Tech Publications, (2012)
30. Kantola J, Mäntyjärvi K., Karjalainen J.A.:Laser Assisted Cutting of Abrasion Resistant Steel, , International Journal of Key Engineering Materials Vol. 504-505, pp 1371-1376, Trans Tech Publications, (2012)
31. Kantola J, Järvenpää A, Jaskari M, Mäntyjärvi K & Karjalainen J.A. Influence of plasma, laser and waterjet cutting on fatigue life of austenitic-ferritic stainless steel. XVI Internationational Colloquium "Mechanical Fatigue of Metals", September 24 - 26, 2012, Brno, Czech Republic.
32. Heikkala J., Väisänen A.: Usability testing of ultra high-strength steels, The ASME 2012 11th Biennal Conference on Engineering Systems Design and Analysis (ESDA 2012), July 2-4, 2012 Nantes, France.
33. A. Järvenpää, P. Karjalainen, M. Jaskari, Effect of grain size on fatigue behavior of type 301LN stainless steel, XVI International Colloquium "Mechanical Fatigue of Metals" Conf. Sept. 24-26, 2012, Brno, Czech Republic
34. A. Järvenpää, M. Jaskari, L. P. Karjalainen, M. Hietala, Enhancing mechanical properties and formability of AISI 301LN stainless steel sheet by local laser heat treatment, Key Engineering Materials, The Current State-of-the-Art on Material Forming (2013) ISBN-13: 978-3-03785-719-9
35. A. Järvenpää, T. Kiuru, A. Määttä, M. Jaskari, K. Mäntyjärvi, Optimization of Local Laser Heat Treatment Process using a Simple FE-model, Proceedings of the 7th ICPNS conference in Oulu (2013).
36. J. Lämsä, A. Väisänen, J. Heikkala, A. Järvenpää, Correlation of Tensile Test Parameters and Bendability of High-Strength Steels, Key Engineering Materials, The Current State-of-the-Art on Material Forming (2013) ISBN-13: 978-3-03785-719-9
37. Kananen M., Hietala M., Mäntyjärvi K., Rapid Manufacturing of Shaped Die and Draw Punch Tools for Presses, Key Engineering Materials Vols. 554-557, pp 1814-1818, Trans Tech Publications, (2013)
38. Illikainen K., Holappa K., Mäntyjärvi K., Quality Assurance of Laser Welded Axisymmetric Sandwich Structure, Key Engineering Materials Vol. 549 (2013), pp 529-534, Trans Tech Publications, (2013)
39. A. Järvenpää, L. P. Karjalainen, M. Jaskari, Effect of Grain Size on Fatigue Behaviour of Type 301ln Stainless Steel, International Journal of Fatigue (2013), http://www.sciencedirect.com/science/article/pii/S0142112313001540 (proof)
40. Keskitalo, M; Mäntyjärvi K,; The influence of the shielding gas to the static and dynamic strength properties of laser welded work-hardened nitrogen alloyed austenitic stainless steel. Key Engineering Materials Vol. 549 pp 471-476. (2013)
41. Sundqvist J.; Eriksson I.; Kaplan A.F.H.; Keskitalo M.; Mantyjarvi K.; Granstrom J.; Sundin K.-G. (2013) Measuring the influence of laser welding on fatigue crack propagation in high strength steel. ICALEO 2013 - 32nd International Congress on Applications of Lasers and Electro-Optics. Stefan Kaierle.m The Laser Institute of America. 647-654. http://www.scopus.com/inward/record.url?eid=2-s2.0-84893144422&partnerID=40&md5=c76d9ed5b9c05650a82e1a375bf0b84f (2013)
42. Järvenpää, Antti; Lämsä, Janne; Patard, Emmanuel; Mäntyjärvi, Kari (2014) A Novel Heat Treatment Line for Processing of Tailored Small Batch Steels. - Key Engineering Materials 611-612, 804-810 . http://www.scientific.net/KEM.611-612.804
43. A. Järvenpää, J. Lämsä, E. Patard, K. Mäntyjärvi, A novel heat treatment line for processing of tailored small batch steels, Key Engineering Materials Vols- 611-612, (2014)
44. J. Lämsä, A. Järvenpää, K. Mäntyjärvi, Designing and manufacturing of a flexible longitudinally laminated sandwich panel forming tool, Key Engineering Materials Vols- 611-612, (2014)
45. A. Järvenpää, J. Lämsä, M. Hietala, K. Mäntyjärvi, Mechanical properties of a sandwich panel manufactured using longitudinally laminated forming tools, Key Engineering Materials 611 - 612, 781-785 . http://www.scientific.net/KEM.611-612.781 (2014)
46. A. Hamada, A. Järvenpää, M. Honkanen, M. Jaskari, D. Porter, L.P. Karjalainen, Effects of cyclic pre-straining on mechanical properties of an austenitic microalloyed high-Mn twinning-induced plasticity steel, Procedia Engineering Vol. 74, 2014, P. 47-52. (2014)
47. A. Järvenpää, M. Jaskari, L. P. Karjalainen, Effect of prior austenite grain structure on cyclic stability and crack formation in a direct-quenched ultra-high strength steel, Procedia Engineering Vol. 74, (2014)
48. Keskitalo M.,Mäntyjärvi K.,Sundqvist J.,Powell J., Kaplan A. F. H.; Laser welding of duplex stainless steel with nitrogen as shielding gas , Journal of materials processing technology pp. 381-384 (2015)

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