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Olen nõus

Sergei Letunovitš

https://www.etis.ee/CV/Sergei_Letunovitš/est
11.08.1958
6203101
55609511
sergei.letunovits@ttu.ee

Teenistuskäik

Töökohad ja ametid
01.09.2019–...   
Tallinna Tehnikaülikool, Inseneriteaduskond, Ehituse ja arhitektuuri instituut, vanemlektor (1,00)
01.01.2017–31.08.2019   
Tallinna Tehnikaülikool, Inseneriteaduskond, Ehituse ja arhitektuuri instituut, Dotsent (1,00)
01.07.2013–31.12.2016   
Tallinna Tehnikaülikool, Ehitusteaduskond, Arhitektuuri- ja urbanistikainstituut, Insenerigraafika lektoraat, Dotsent (1,00)
01.01.2010–30.06.2013   
Tallinna Tehnikaülikool, Ehitusteaduskond, Insenerigraafika keskus, Kujutava geomeetria lektoraat, Dotsent (1,00)
01.01.2010–30.06.2013   
Tallinna Tehnikaülikool, Ehitusteaduskond, Insenerigraafika keskus, Kujutava geomeetria lektoraat, lektoraadi juhataja (1,00)
01.01.2004–31.12.2010   
Tallinna Tehnikaülikool, Matemaatika-loodusteaduskond, Insenerigraafika keskus, Kujutava geomeetria lektoraat,lektoraadi juhataja (1.00)
01.01.2003–31.12.2010   
Tallinna Tehnikaülikool, Matemaatika-loodusteaduskond, Insenerigraafika keskus, Kujutava geomeetria lektoraat, Dotsent (1,00)
01.01.1996–31.12.2003   
Tallinna Tehnikaülikool, Matemaatika-füüsikateaduskond, Insenerigraafika keskus, Kujutava geomeetria lektoraat; Lektor (1.00)
01.01.1993–31.12.1996   
Tallinna Tehnikaülikool, Mehaanikateaduskond, Materjalitehnika instituut; direktori abi (1.00)
01.01.1981–31.12.1993   
TPI pulbermetallurgia tootmisharu labori teadur.
 
 
Haridustee
1976–1981   
TPI mehaanikateaduskond,masinaehitustehnoloogia insener
 
 
Teadusorganisatsiooniline ja -administratiivne tegevus
2013−2016   
Arhitektuuri- ja urbanistikainstituudi nõukogu liige
2010−2013   
Ehitusteaduskonna nõukogu liige
2005−2009   
Matemaatika-loodusteaduskonna nõukogu liige.
2004−2013   
Insenerigraafika keskuse kujutava geomeetria lektoraadi juhataja.
2004−2013   
Insenerigraafika keskuse nõukogu liige.
2001−2013   
Insenerigraafika keskuse töökeskkonnavolinik.
 
 
Lisainfo
Õppetegevuse aruanne on esitatud eraldi.

Kvalifikatsioon

Teaduskraadid
Sergei Letunovitš, doktorikraad, 2003, (juh) Jüri Pirso, Peeneteraliste kermiste triboloogia, Tallinna Tehnikaülikool.
 
 
Teadustöö põhisuunad
ETIS VALDKOND: 4. Loodusteadused ja tehnika; 4.12. Protsessitehnoloogia ja materjaliteadus
 
 
Lisainfo
Tehnikadoktor
TTÜ, 2003

Lõppenud projektid

Publikatsioonid

Klass
Aasta
Publikatsioon
 
6.2.
2018
Vallas, E.; Kogermann, E.; Paluver, N.; Letunovitš, S. (2018). Tehniline graafika. Harjutusülesanded. Hunt, T. (Toim.). . 27.08.2018.
1.1.
2017
Juhani, K.; Pirso, J.; Tarraste, M.; Viljus, M.; Letunovitš, S. (2017). The influence of processing parameters on mechanical properties of spark plasma sintered chromium carbide based cermets. In: R. Bendikienė, K. Juzėnas (Ed.). Materials Engineering 2017 (162−166). Trans Tech Publications Ltd. (Solid State Phenomena; 267). DOI: 10.4028/www.scientific.net/SSP.267.162.
6.2.
2015
Letunovitš, S.; Annuka, H. (2015). Insenerigraafika kursus. Harjutusülesanded. Tallinn: [Tallinna Tehnikaülikooli Kirjastus].
3.1.
2014
Pirso, J.: Juhani, K.; Tarraste, M., Viljus, M.; Letunovitš, S. (2014). The effect of VC, TIC and Cr3C2 on the microstructure and properties of WC-15CO hardmetals fabricated by the reactive sintering. Proceedings of the 9th International DAAAM Baltic Conference "INDUSTRIAL ENGINEERING", 24-26th April 2014, Tallinn, ESTONIA: 9th International DAAAM Baltic Conference "Industrial Engineering", Tallinn, Estonia, 24-26. April 2014. Ed. Otto, T. Tallinn University of Technology, 383−388.
3.1.
2014
Juhani, K.; Joost, R.; Pirso, J.; Letunovitš, S.; Viljus, M.; Tarraste, M. (2014). Three-body abrasive wear of WC-Co composites manufactured by reactive sintering of nanocrystalline powders. 5th World Tribology Congress, WTC 2013, 3: WTC2013, Torino, 8-13 september 2013. ECEL conference proceedings, -.
3.2.
2013
Tarraste, M.; Juhani, K.;, Pirso, J.; Viljus, M.; Traksmaa, R.; Letunovitš, S. (2013). Microstructure Evolution of WC-TiC-Co Cemented Carbides During Reactive Sintering. Proceedings of the 18th Plansee Seminar, CD-ROM : 18th Plansee Seminar, International Conference on Refractory Metals and Hard Materials; Reutte, Austria; 3-7. juuni 2013. PLANSEE SE, HM 70/1−HM 70/7.
6.2.
2013
Letunovitš, S.; Annuka, H. (2013). Insenerigraafika kursus. Harjutusülesanded. Tallinna Tehnikaülikooli Kirjastus.
1.1.
2012
Viljus, M.; Pirso, J.; Juhani, K.; Letunovitš, S. (2012). Structure Formation in Ti-C-Ni-Mo Composites during Reactive Sintering. Materials Science, 18 (1), 62−65. DOI: 10.5755/j01.ms.18.1.1343.
1.1.
2012
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S.; Tarraste, M. (2012). The Influence of Cr3C2 and VC as Alloying Additives on the Microstructure and Properties of Reactive Sintered WC-Co Cermets. Materials Science, 18 (1), 79−83. DOI: 10.5755/j01.ms.18.1.1347.
1.2.
2012
Joost, R.; Pirso, J.; Viljus, M.; Letunovitš, S.; Juhani, K. (2012). Recycling of WC-Co hardmetals by oxidation and carbothermal reduction in combination with reactive sintering. Estonian Journal of Engineering, 18 (2), 127−139.
3.1.
2012
Pirso, J.; Juhani, K.; Viljus, M.; Letunovitš, S. (2012). Two-Body Abrasive Wear of WC-Co Hardmetals in Wet and Dry Environments. Proceedings of the 8th International Conference od DAAAM Baltic Industrial Engineering 19-21st April 2012, Tallinn, Estonia, 2: 8th International Conference of DAAAM Baltic Industrial Engineering, Tallinn, Estonia, 19-21 april 2012. Ed. Otto, T. Tallinn: Tallinna Tehnikaülikooli Kirjastus, 711−716.
3.1.
2012
Juhani, K., Pirso, J.; Viljus, M.; Letunovitš, S.; Tarraste, M. (2012). Abrasive impact wear of WC-Co and TiC-NiMo cermets. Proceedings of the 8th International Conference od DAAAM Baltic Industrial Engineering 19-21st April 2012, Tallinn, Estonia, 2: 8th International Conference of DAAAM Baltic Industrial Engineering, Tallinn, Estonia, 19-21 april 2012. Ed. Otto, T. Tallinn: Tallinna Tehnikaülikooli Kirjastus, 621−626.
3.2.
2012
Tarraste, M.; Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2012). Mechanical Properties and Microstructure of Reactive Sintered WC-TiC-Co Cemented Carbides. Proceedings of the 2012 Powder Metallurgy World Congress & Exhibition, CD-ROM : Powder Metallurgy World Congress PM2012; Yokohama, Japan; 14-18 October 2012.
1.1.
2011
Pirso, J.; Viljus, M.; Letunovitš, S.; Juhani, K.; Joost, R. (2011). Three-body abrasive wear of cermets. Wear, 271, 2868−2878. DOI: 10.1016/j.wear.2011.06.005.
1.1.
2011
Juhani, K.; Pirso, J.; Letunovitš, S.; Viljus, M. (2011). Phase evolution, microstructure characteristics and properties of Cr3C2-Ni cermets prepared by reactive sintering. International Journal of Materials and Product Technology, 40, 75−91.
3.1.
2011
Pirso, J.; Viljus, M.; Juhani, K.; Letunovitš, S. (2011). Abrasion of cermets. In: Victoria M. Petrova (Ed.). Advances in Engineering Research (397−426). . Nova Science Publishers.
6.2.
2011
Kivi, Kalle; Lüiste, Aivar; Lips, Aron; Hunt, Tea; Annuka, Harri; Letunovitš, Sergei. (2011). 3D modelleerimine. CNC pink. Joonestamine. Tiigrihüppe sihtasutus.
3.1.
2010
Joost, R.; Letunovitš, S.; Pirso, J.; Juhani, K. (2010). The wear resistance tests of cermets and relations between different types of wear. Proceedings of 14th Nordic Symposium on Tribology, NORDTRIB 2010: 14th Nordic Symposium on Tribology, NORDTRIB 2010, 08.06 - 11.06.2010, Storforsen, Sweden. Sweden: Lulea University of Technology, 0040.
3.2.
2010
Pirso, J.; Viljus, M.; Juhani, K.; Letunovitš, S. (2010). Reactive carburizing sintering. In: Maximilian Lackner (Ed.). High Temperature Processes in Chemical Engineering (309−334). . ProcessEng Engineering.
1.1.
2009
Pirso, J.; Viljus, M.; Juhani, K.; Letunovitš, S. (2009). Two-body dry abrasive wear of cermets. Wear, 266, 21−29. DOI: 10.1016/j.wear.2008.05.005.
3.2.
2009
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2009). Microstructural characteristics and properties of reactive sintered TiC-based cermets. Proceedings of 17th Plansee Seminar, 2: 17th Plansee Seminar, International Conference on High Perfomance P/M Materials, Reutte, Austria, 25-29.05.2009. , HM65/1−HM65/6.
1.1.
2008
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2008). Impact Wear of Chromium Carbide Based Cermets. Materials Science, 14 (4), 341−344.
3.1.
2008
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2008). Abrasive wear of chromium carbide based cermets. Proceedings of 13th Nordic Symposium in Tribology, Nordtrib 2008, CD-ROM: 13th Nordic Symposium in Tribology, Nordtrib 2008, Tampere, Finland, June 10-13, 2008.
3.1.
2008
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2008). Sliding wear of chromium carbide based cermets under different wear conditions. In: Küttner, R. (Ed.). Proceedings of the 6th international conference of DAAAM Baltic industrial engineering, 24-26th april 2008, Tallinn, Estonia (455−459). . Tallinn: Tallinn University of Technology.
3.2.
2008
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2008). Microstructure and Properties of Reactive Sintering TiC-based Cermets. Proceedings of Euro PM2008, 3: European Powder Metallurgy Conference & Exhibition Euro PM2008, Mannheim, Germany, 28.09-1.10.2008. European Powder Metallurgy Association, 89−94.
3.2.
2008
Pirso, J; Viljus, M.; Joost, R; Juhani, K.; Letunovitš, S. (2008). Microstructure evolution in WC-Co composites during reactive sintering from nanocrystalline powders. Proceedings of the PM08 World Congress on Powder Metallurgy and Particulate Materials, CD-ROM: PM08 World Congress on Powder Metallurgy and Particulate Materials:Washington, NY, USA, June 12-16.. Ed. Brian James, W.; Cherpenkoff, R.A. USA: Metal Powder Industry Publications.
1.1.
2007
Hussainova, I.; Pirso, J.; Juhani, K.; Antonov, M.; Letunovits, S. (2007). Erosion and abrasion of chromium carbide based cermets produced by different methods. Wear, 263, 905−911.
3.1.
2007
Pirso, J.; Viljus, M.; Letunovitš, S.; Juhani, K. (2007). Microstructural and Mechanical Characteristics of in Situ Synthesized Chromium-Nickel-Graphite Composites. In: Progress in Powder Metallurgy (1209−1212). . Trans Tech Publications Ltd. (Materials Science Forum ; 534-536).
1.1.
2006
Pirso, J.; Viljus, M.; Letunovitš, S. (2006). Friction and dry sliding wear behaviour of cermets. Wear, 260, 815−824.
1.1.
2006
Pirso, J.; Viljus, M.; Letunovitš, S.; Juhani, K. (2006). Reactive carburizing sintering- : A novel production method for high quality chromium carbide-nickel cermets. International Journal of Refractory Metals and Hard Materials, 24 (3), 263−270.
1.2.
2006
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2006). Two-body dry abrasive wear of Cr3C2-Ni cermets. Proceedings of the Estonian Academy of Sciences. Engineering, 12, 4, 368−376.
3.1.
2006
Pirso, J; Viljus, M; Letunovitš, S. (2006). Low temperature synthesized WC and its usability for fine-grained hardmetal. Proceedings of EURO PM2006 Congress & Exhibition, 1 : Hard Materials : EURO PM2006 Congress & Exhibition, Ghent, Belgium. October 23-25. European Powdered Metallurgy Association (EPMA) , 281−286.
5.2.
2006
Pirso, J; Viljus, M; Letunovitš, S; Juhani, K. (2006). Microstructural and mechanical characteristics of in situ synthesized chromium-nickel-graphite composites. Extended abstracts of 2006 Powder Metallurgy World Congress, 1: 2006 Powder Metallurgy World Congress, Busan, Korea. September 24-28. Ed. Eun, K. Y.; Kim, Y-S. Korean Powder Metallurgy Institute KPMI, 631−632.
5.2.
2005
Pirso, J.; Viljus, M.; Letunovitš, S. (2005). Mechanically activated synthesis of nanocrystalline chromium carbide powders. Nanopowders, Nanostructured Materials and Coatings : Network for Nanostructured Materials of ACC : March 17, 2005, Tallinn, Estonia : book of abstracts. Tallinn: Tallinna Tehnikaülikooli Kirjastus, 34−36.
5.2.
2005
Pirso, J.; Viljus, M.; Letunovitš, S. (2005). Preparation of nanocrystalline WC powder and ultrafine WC-Co hardmetals. Nanopowders, Nanostructured Materials and Coatings : Network for Nanostructured Materials of ACC : March 17, 2005, Tallinn, Estonia : book of abstracts. /.../, 31−33.
5.2.
2005
Viljus, M.; Pirso, J.; Letunovitš, S. (2005). Synthesis of nanocrystalline TIC powders by reactive milling. In: Nanopowders, nanostructured materials and coatings : NENAMAT : book of abstracts : March 17, 2005, Tallinn, Estonia (28−30). . Tallinn: Tallinna Tehnikaülikooli Kirjastus.
1.1.
2004
Pirso, J.; Letunovits, S.; Viljus, M. (2004). Friction and wear behaviour of cemented carbides. Wear, 257, 257−265.
1.1.
2004
Pirso, J.; Viljus, M.; Letunovits, S. (2004). Sliding wear of tic-nimo cermets. Tribology International, 37 (10), 817−824.
2.3.
2003
Letunovitš, S. (2003). Tribology of Fine-grained Cermets. (Doktoritöö, Tallinna Tehnikaülikool). Tallinn: Tallinna Tehnikaülikooli Kirjastus.
5.2.
2003
"Viljus, Mart;Pirso, Jüri;Letunovitsš, Sergei" (2003). Reactive sintering - a new method for producing Cr3C2-Ni cermets. Engineering Materials & Tribology : BALTMATTRIB - 2003 : 12th International Baltic Conference : October 2-3, 2003, Tallinn, Estonia : abstracts. [Tallinn]: TTY puuduv kirjastus, 29−29.
5.2.
2003
Letunovitš, S; Pirso, J; Viljus, M. (2003). Sliding Wear of the Cermets. Abstracts of 12th International Baltic Conference Engineering Materials and Tribology: 12th International Baltic Conference Engineering Materials and Tribology. BALTMATTRIB-2003, Tallinn, Estonia. October 2-3, 2003. Tallinn, 70.
1.2.
2002
Letunovits, S.; Viljus, M.; Pirso, J. (2002). Sliding Wear of Cr3C2-Ni Base Cermets. Materials Science, 8 (4), 477−480.
1.2.
2002
Viljus, M.; Letunovits, S.; Traksmaa, R.; Pirso, J. (2002). The Influence of Reactive Sintering Parameters on the Structure and Properties of Cr3C2-Ni Cermets. Materials Science, 8 (4), 473−476.
3.1.
2002
Letunovitš, S.; Viljus, M.; Pirso, J. (2002). Sliding Wear of Cr3C2-Ni Base Cermets. Materials Science. Proceedings of the Lithuanien Academy of Sciences, 8 (4), 477−480.
3.4.
2001
Viljus, M.; Traksmaa, R.; Letunovits, S.; Pirso, J. (2001). Syntesis of TiC powder by mechanical activation. X-th International Baltic Conference Materials (18−21). . Engineering & Baltstrib.
3.4.
2001
Letunovitš, S. (2001). Synthesis of TiC by Mechanical Activation of Powder Components. Proceedings of European Congress and Exhibition on Powder Metallurgy : EuroPM2001: European Congress and Exhibition on Powder Metallurgy, EuroPM 2001. Nizza 22 - 24 Sept. 2001. European Powder Metallurgy Association (EPMA), 194−198.
3.5.
2000
Letunovitš, S.; Kommel, L.; Viljus, M.; Pirso, J. (2000). Characterization of TiC Powders Milled by Attrition Technique. Proceedings of the 2nd International Conference, 27-29th April 2000, Tallinn, Estonia: Danube Adria Association for Automation and Manufacturing, 2nd international conference, Tallinn, 27-29th April 2000. Tallinn: Tallinn Technical University, 153−156.

Tööstusomand

6.09.2021

Sergei Letunovitš

https://www.etis.ee/CV/Sergei_Letunovitš/eng
11.08.1958
6203101
55609511
sergei.letunovits@ttu.ee

Career

Institutions and positions
01.09.2019–...   
Tallinn University of Technology , School of Engineering, Department of Civil Engineering and Architecture, Senior Lecturer (1,00)
01.01.2017–31.08.2019   
Tallinn University of Technology , School of Engineering, Department of Civil Engineering and Architecture, Associate Professor (1,00)
01.07.2013–31.12.2016   
Tallinn University of Technology , Faculty of Civil Engineering, Department of Architecture and Urban Studies, Unit of Engineering Graphics, Associate Professor (1,00)
01.01.2010–30.06.2013   
Tallinn University of Technology , Faculty of Civil Engineering, Centre of Engineering Graphics, Unit of Descriptive Geometry, Associate Professor (1,00)
01.01.2010–30.06.2013   
Tallinn University of Technology , Faculty of Civil Engineering, Centre of Engineering Graphics, Unit of Descriptive Geometry, Head of Unit (1,00)
01.01.2004–31.12.2010   
Tallinn University of Technology , Faculty of Science, Centre of Engineering Graphics, Unit of Descriptive Geometry; Head of Unit (1.00)
01.01.2003–31.12.2010   
Tallinn University of Technology , Faculty of Science, Centre of Engineering Graphics, Unit of Descriptive Geometry; Associate Professor (1.00)
01.01.1996–31.12.2003   
Tallinn University of Technology , Faculty of Science, Centre of Engineering Graphics, Unit of Descriptive Geometry; Lecturer (1.00)
01.01.1993–31.12.1996   
Tallinn University of Technology , Faculty of Mechanical Engineering, Department of Materials Engineering ; Assistant to Director (1.00)
01.01.1981–31.12.1993   
Researcher of Laboratory of Powder Metallurgy of TPI
 
 
Education
1976–1981   
Higher education
 
 
R&D related managerial and administrative work
2013−2016   
Member of Department of Architecture and Urban Studies
2010−2013   
Member of Council of Faculty of Civil Engineerin.
2005−2009   
Member of Council of Faculty of Science.
2004−2013   
Head of Department of Descriptive Geometry.
2004−2013   
Member of Council of Centre of Engineering Graphics.
2001−2013   
Chief Work Environment Representative of Centre of Engineering Graphics.
 
 
Additional information
Õppetegevuse aruanne on esitatud eraldi.

Qualifications

Academic degrees
Sergei Letunovitš, Doctor's Degree, 2003, (sup) Jüri Pirso, Peeneteraliste kermiste triboloogia (Tribology of fine graned cermets), Tallinn University of Technology.
 
 
Fields of research
ETIS RESEARCH FIELD: 4. Natural Sciences and Engineering; 4.12. Process Technology and Materials Science
 
 
Additional information
Doctor of Engineering
TUT, 2003

Completed projects

Publications

Category
Year
Publication
 
6.2.
2018
Vallas, E.; Kogermann, E.; Paluver, N.; Letunovitš, S. (2018). Tehniline graafika. Harjutusülesanded [Engineering graphics. Exercises]. Hunt, T. (Toim.). . 27.08.2018.
1.1.
2017
Juhani, K.; Pirso, J.; Tarraste, M.; Viljus, M.; Letunovitš, S. (2017). The influence of processing parameters on mechanical properties of spark plasma sintered chromium carbide based cermets. In: R. Bendikienė, K. Juzėnas (Ed.). Materials Engineering 2017 (162−166). Trans Tech Publications Ltd. (Solid State Phenomena; 267). DOI: 10.4028/www.scientific.net/SSP.267.162.
6.2.
2015
Letunovitš, S.; Annuka, H. (2015). Insenerigraafika kursus. Harjutusülesanded. Tallinn: [Tallinna Tehnikaülikooli Kirjastus].
3.1.
2014
Pirso, J.: Juhani, K.; Tarraste, M., Viljus, M.; Letunovitš, S. (2014). The effect of VC, TIC and Cr3C2 on the microstructure and properties of WC-15CO hardmetals fabricated by the reactive sintering. Proceedings of the 9th International DAAAM Baltic Conference "INDUSTRIAL ENGINEERING", 24-26th April 2014, Tallinn, ESTONIA: 9th International DAAAM Baltic Conference "Industrial Engineering", Tallinn, Estonia, 24-26. April 2014. Ed. Otto, T. Tallinn University of Technology, 383−388.
3.1.
2014
Juhani, K.; Joost, R.; Pirso, J.; Letunovitš, S.; Viljus, M.; Tarraste, M. (2014). Three-body abrasive wear of WC-Co composites manufactured by reactive sintering of nanocrystalline powders. 5th World Tribology Congress, WTC 2013, 3: WTC2013, Torino, 8-13 september 2013. ECEL conference proceedings, -.
3.2.
2013
Tarraste, M.; Juhani, K.;, Pirso, J.; Viljus, M.; Traksmaa, R.; Letunovitš, S. (2013). Microstructure Evolution of WC-TiC-Co Cemented Carbides During Reactive Sintering. Proceedings of the 18th Plansee Seminar, CD-ROM : 18th Plansee Seminar, International Conference on Refractory Metals and Hard Materials; Reutte, Austria; 3-7. juuni 2013. PLANSEE SE, HM 70/1−HM 70/7.
6.2.
2013
Letunovitš, S.; Annuka, H. (2013). Insenerigraafika kursus. Harjutusülesanded. Tallinna Tehnikaülikooli Kirjastus.
1.1.
2012
Viljus, M.; Pirso, J.; Juhani, K.; Letunovitš, S. (2012). Structure Formation in Ti-C-Ni-Mo Composites during Reactive Sintering. Materials Science, 18 (1), 62−65. DOI: 10.5755/j01.ms.18.1.1343.
1.1.
2012
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S.; Tarraste, M. (2012). The Influence of Cr3C2 and VC as Alloying Additives on the Microstructure and Properties of Reactive Sintered WC-Co Cermets. Materials Science, 18 (1), 79−83. DOI: 10.5755/j01.ms.18.1.1347.
1.2.
2012
Joost, R.; Pirso, J.; Viljus, M.; Letunovitš, S.; Juhani, K. (2012). Recycling of WC-Co hardmetals by oxidation and carbothermal reduction in combination with reactive sintering. Estonian Journal of Engineering, 18 (2), 127−139.
3.1.
2012
Pirso, J.; Juhani, K.; Viljus, M.; Letunovitš, S. (2012). Two-Body Abrasive Wear of WC-Co Hardmetals in Wet and Dry Environments. Proceedings of the 8th International Conference od DAAAM Baltic Industrial Engineering 19-21st April 2012, Tallinn, Estonia, 2: 8th International Conference of DAAAM Baltic Industrial Engineering, Tallinn, Estonia, 19-21 april 2012. Ed. Otto, T. Tallinn: Tallinna Tehnikaülikooli Kirjastus, 711−716.
3.1.
2012
Juhani, K., Pirso, J.; Viljus, M.; Letunovitš, S.; Tarraste, M. (2012). Abrasive impact wear of WC-Co and TiC-NiMo cermets. Proceedings of the 8th International Conference od DAAAM Baltic Industrial Engineering 19-21st April 2012, Tallinn, Estonia, 2: 8th International Conference of DAAAM Baltic Industrial Engineering, Tallinn, Estonia, 19-21 april 2012. Ed. Otto, T. Tallinn: Tallinna Tehnikaülikooli Kirjastus, 621−626.
3.2.
2012
Tarraste, M.; Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2012). Mechanical Properties and Microstructure of Reactive Sintered WC-TiC-Co Cemented Carbides. Proceedings of the 2012 Powder Metallurgy World Congress & Exhibition, CD-ROM : Powder Metallurgy World Congress PM2012; Yokohama, Japan; 14-18 October 2012.
1.1.
2011
Pirso, J.; Viljus, M.; Letunovitš, S.; Juhani, K.; Joost, R. (2011). Three-body abrasive wear of cermets. Wear, 271, 2868−2878. DOI: 10.1016/j.wear.2011.06.005.
1.1.
2011
Juhani, K.; Pirso, J.; Letunovitš, S.; Viljus, M. (2011). Phase evolution, microstructure characteristics and properties of Cr3C2-Ni cermets prepared by reactive sintering. International Journal of Materials and Product Technology, 40, 75−91.
3.1.
2011
Pirso, J.; Viljus, M.; Juhani, K.; Letunovitš, S. (2011). Abrasion of cermets. In: Victoria M. Petrova (Ed.). Advances in Engineering Research (397−426). . Nova Science Publishers.
6.2.
2011
Kivi, Kalle; Lüiste, Aivar; Lips, Aron; Hunt, Tea; Annuka, Harri; Letunovitš, Sergei. (2011). 3D modelleerimine. CNC pink. Joonestamine. Tiigrihüppe sihtasutus.
3.1.
2010
Joost, R.; Letunovitš, S.; Pirso, J.; Juhani, K. (2010). The wear resistance tests of cermets and relations between different types of wear. Proceedings of 14th Nordic Symposium on Tribology, NORDTRIB 2010: 14th Nordic Symposium on Tribology, NORDTRIB 2010, 08.06 - 11.06.2010, Storforsen, Sweden. Sweden: Lulea University of Technology, 0040.
3.2.
2010
Pirso, J.; Viljus, M.; Juhani, K.; Letunovitš, S. (2010). Reactive carburizing sintering. In: Maximilian Lackner (Ed.). High Temperature Processes in Chemical Engineering (309−334). . ProcessEng Engineering.
1.1.
2009
Pirso, J.; Viljus, M.; Juhani, K.; Letunovitš, S. (2009). Two-body dry abrasive wear of cermets. Wear, 266, 21−29. DOI: 10.1016/j.wear.2008.05.005.
3.2.
2009
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2009). Microstructural characteristics and properties of reactive sintered TiC-based cermets. Proceedings of 17th Plansee Seminar, 2: 17th Plansee Seminar, International Conference on High Perfomance P/M Materials, Reutte, Austria, 25-29.05.2009. , HM65/1−HM65/6.
1.1.
2008
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2008). Impact Wear of Chromium Carbide Based Cermets. Materials Science, 14 (4), 341−344.
3.1.
2008
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2008). Abrasive wear of chromium carbide based cermets. Proceedings of 13th Nordic Symposium in Tribology, Nordtrib 2008, CD-ROM: 13th Nordic Symposium in Tribology, Nordtrib 2008, Tampere, Finland, June 10-13, 2008.
3.1.
2008
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2008). Sliding wear of chromium carbide based cermets under different wear conditions. In: Küttner, R. (Ed.). Proceedings of the 6th international conference of DAAAM Baltic industrial engineering, 24-26th april 2008, Tallinn, Estonia (455−459). . Tallinn: Tallinn University of Technology.
3.2.
2008
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2008). Microstructure and Properties of Reactive Sintering TiC-based Cermets. Proceedings of Euro PM2008, 3: European Powder Metallurgy Conference & Exhibition Euro PM2008, Mannheim, Germany, 28.09-1.10.2008. European Powder Metallurgy Association, 89−94.
3.2.
2008
Pirso, J; Viljus, M.; Joost, R; Juhani, K.; Letunovitš, S. (2008). Microstructure evolution in WC-Co composites during reactive sintering from nanocrystalline powders. Proceedings of the PM08 World Congress on Powder Metallurgy and Particulate Materials, CD-ROM: PM08 World Congress on Powder Metallurgy and Particulate Materials:Washington, NY, USA, June 12-16.. Ed. Brian James, W.; Cherpenkoff, R.A. USA: Metal Powder Industry Publications.
1.1.
2007
Hussainova, I.; Pirso, J.; Juhani, K.; Antonov, M.; Letunovits, S. (2007). Erosion and abrasion of chromium carbide based cermets produced by different methods. Wear, 263, 905−911.
3.1.
2007
Pirso, J.; Viljus, M.; Letunovitš, S.; Juhani, K. (2007). Microstructural and Mechanical Characteristics of in Situ Synthesized Chromium-Nickel-Graphite Composites. In: Progress in Powder Metallurgy (1209−1212). . Trans Tech Publications Ltd. (Materials Science Forum ; 534-536).
1.1.
2006
Pirso, J.; Viljus, M.; Letunovitš, S. (2006). Friction and dry sliding wear behaviour of cermets. Wear, 260, 815−824.
1.1.
2006
Pirso, J.; Viljus, M.; Letunovitš, S.; Juhani, K. (2006). Reactive carburizing sintering- : A novel production method for high quality chromium carbide-nickel cermets. International Journal of Refractory Metals and Hard Materials, 24 (3), 263−270.
1.2.
2006
Juhani, K.; Pirso, J.; Viljus, M.; Letunovitš, S. (2006). Two-body dry abrasive wear of Cr3C2-Ni cermets. Proceedings of the Estonian Academy of Sciences. Engineering, 12, 4, 368−376.
3.1.
2006
Pirso, J; Viljus, M; Letunovitš, S. (2006). Low temperature synthesized WC and its usability for fine-grained hardmetal. Proceedings of EURO PM2006 Congress & Exhibition, 1 : Hard Materials : EURO PM2006 Congress & Exhibition, Ghent, Belgium. October 23-25. European Powdered Metallurgy Association (EPMA) , 281−286.
5.2.
2006
Pirso, J; Viljus, M; Letunovitš, S; Juhani, K. (2006). Microstructural and mechanical characteristics of in situ synthesized chromium-nickel-graphite composites. Extended abstracts of 2006 Powder Metallurgy World Congress, 1: 2006 Powder Metallurgy World Congress, Busan, Korea. September 24-28. Ed. Eun, K. Y.; Kim, Y-S. Korean Powder Metallurgy Institute KPMI, 631−632.
5.2.
2005
Pirso, J.; Viljus, M.; Letunovitš, S. (2005). Mechanically activated synthesis of nanocrystalline chromium carbide powders. Nanopowders, Nanostructured Materials and Coatings : Network for Nanostructured Materials of ACC : March 17, 2005, Tallinn, Estonia : book of abstracts. Tallinn: Tallinna Tehnikaülikooli Kirjastus, 34−36.
5.2.
2005
Pirso, J.; Viljus, M.; Letunovitš, S. (2005). Preparation of nanocrystalline WC powder and ultrafine WC-Co hardmetals. Nanopowders, Nanostructured Materials and Coatings : Network for Nanostructured Materials of ACC : March 17, 2005, Tallinn, Estonia : book of abstracts. /.../, 31−33.
5.2.
2005
Viljus, M.; Pirso, J.; Letunovitš, S. (2005). Synthesis of nanocrystalline TIC powders by reactive milling. In: Nanopowders, nanostructured materials and coatings : NENAMAT : book of abstracts : March 17, 2005, Tallinn, Estonia (28−30). . Tallinn: Tallinna Tehnikaülikooli Kirjastus.
1.1.
2004
Pirso, J.; Letunovits, S.; Viljus, M. (2004). Friction and wear behaviour of cemented carbides. Wear, 257, 257−265.
1.1.
2004
Pirso, J.; Viljus, M.; Letunovits, S. (2004). Sliding wear of tic-nimo cermets. Tribology International, 37 (10), 817−824.
2.3.
2003
Letunovitš, S. (2003). Tribology of Fine-grained Cermets. (Doktoritöö, Tallinna Tehnikaülikool). Tallinn: Tallinna Tehnikaülikooli Kirjastus.
5.2.
2003
"Viljus, Mart;Pirso, Jüri;Letunovitsš, Sergei" (2003). Reactive sintering - a new method for producing Cr3C2-Ni cermets. Engineering Materials & Tribology : BALTMATTRIB - 2003 : 12th International Baltic Conference : October 2-3, 2003, Tallinn, Estonia : abstracts. [Tallinn]: TTY puuduv kirjastus, 29−29.
5.2.
2003
Letunovitš, S; Pirso, J; Viljus, M. (2003). Sliding Wear of the Cermets. Abstracts of 12th International Baltic Conference Engineering Materials and Tribology: 12th International Baltic Conference Engineering Materials and Tribology. BALTMATTRIB-2003, Tallinn, Estonia. October 2-3, 2003. Tallinn, 70.
1.2.
2002
Letunovits, S.; Viljus, M.; Pirso, J. (2002). Sliding Wear of Cr3C2-Ni Base Cermets. Materials Science, 8 (4), 477−480.
1.2.
2002
Viljus, M.; Letunovits, S.; Traksmaa, R.; Pirso, J. (2002). The Influence of Reactive Sintering Parameters on the Structure and Properties of Cr3C2-Ni Cermets. Materials Science, 8 (4), 473−476.
3.1.
2002
Letunovitš, S.; Viljus, M.; Pirso, J. (2002). Sliding Wear of Cr3C2-Ni Base Cermets. Materials Science. Proceedings of the Lithuanien Academy of Sciences, 8 (4), 477−480.
3.4.
2001
Viljus, M.; Traksmaa, R.; Letunovits, S.; Pirso, J. (2001). Syntesis of TiC powder by mechanical activation. X-th International Baltic Conference Materials (18−21). . Engineering & Baltstrib.
3.4.
2001
Letunovitš, S. (2001). Synthesis of TiC by Mechanical Activation of Powder Components. Proceedings of European Congress and Exhibition on Powder Metallurgy : EuroPM2001: European Congress and Exhibition on Powder Metallurgy, EuroPM 2001. Nizza 22 - 24 Sept. 2001. European Powder Metallurgy Association (EPMA), 194−198.
3.5.
2000
Letunovitš, S.; Kommel, L.; Viljus, M.; Pirso, J. (2000). Characterization of TiC Powders Milled by Attrition Technique. Proceedings of the 2nd International Conference, 27-29th April 2000, Tallinn, Estonia: Danube Adria Association for Automation and Manufacturing, 2nd international conference, Tallinn, 27-29th April 2000. Tallinn: Tallinn Technical University, 153−156.

Industrial property

6.09.2021

Otsi projekti

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ProgrammLiikNumberNimiProjekti algusProjekti lõppVastutav täitjaAsutusFinantseerijapoolne rahastamine
IUTIUT19-29 Mitmeastmeliselt struktureeritud keraamika-baasil komposiitmaterjalid kasutamiseks ekstreemtingimustes 01.01.201431.12.2019Jakob KübarseppTallinna Tehnikaülikool, Mehaanikateaduskond; Tallinna Tehnikaülikool, Inseneriteaduskond, Mehaanika ja tööstustehnika instituut 1 770 000,00 EUR
ETFETF8817Developing novel methods to enhance the reliability of WC-Co and TiC-NiMo cermets01.01.201131.12.2013Kristjan JuhaniTallinna Tehnikaülikool, Mehaanikateaduskond30 600,00 EUR
SFSF0142505s03Kulumiskindlad materjalid ja kulumine01.01.200331.12.2007Jakob KübarseppTallinna Tehnikaülikool, Mehaanikateaduskond668 100,42 EUR
MUU349FKõrgkvaliteetsete materjalide kuumisostaatpressimise tehnoloogia01.06.200331.12.2004Jakob KübarseppTallinna Tehnikaülikool; Tallinna Tehnikaülikool, Mehaanikateaduskond, Materjalitehnika instituut, Metallide tehnoloogia õppetool143 034,27 EUR
SFSF0140062s08Mitmefaasiliste tribomaterjalide arendamine ja tehnoloogia01.01.200831.12.2013Jakob KübarseppTallinna Tehnikaülikool, Mehaanikateaduskond1 259 299,69 EUR
ETFETF8472Nanoosakeste valmistustehnoloogia möju metallmaatriks nanokomposiitide omadustele01.01.201031.12.2012Lauri KolloTallinna Tehnikaülikool, Mehaanikateaduskond36 813,44 EUR
MUUG5165 (ETF5165)Nanostruktuursed kermised01.01.200231.12.2005Jüri PirsoTallinna Tehnikaülikool; Tallinna Tehnikaülikool, Mehaanikateaduskond, Materjalitehnika instituut, Metallide tehnoloogia õppetool14 060,56 EUR
MUUG3401 (ETF3401)Peeneteralised kermised01.01.199831.12.2001Jüri PirsoTallinna Tehnikaülikool; Tallinna Tehnikaülikool, Mehaanikateaduskond, Materjalitehnika instituut, Metallide tehnoloogia õppetool10 928,89 EUR
ETFETF6758WC-Co jäätmeist ülipeene- ja nanostruktuuriga kõvasulamite valmistamine01.01.200631.12.2009Jüri PirsoTallinna Tehnikaülikool, Mehaanikateaduskond38 874,65 EUR