• Kuhn,E.: The internal reaction of grease to a frictional stress. 20th Intern. Conference on Experimental Mechanics. 2-7-7. 2023, Porto
  • Ahme,L; Kuhn,E, Delgado,M.: On the optical assesment of the structural degradation of rheologically stressed lubricating greases. Tribology International,187,(2023)108771
  • Kuhn,E.: Die Konsequenz der Reibungsbeanspruchung bei Schmierfetten. 64. Jahrestagung der GfT, Göttingen,25.-27.9.2023
  • Kuhn, E.: Investigations to obtain information on possible self-organization processes in the lubricating grease film. 18th Arnold Tross Colloquium Hamburg
  • Borrego, M.; Kuhn,E.; Martin-Alfonso, J.E. and Franco, J.M.:Assessment of the tribological performance of electrospun lignin nanofibrous webs-thickened bio-based greases in a nanotribometer. Nanomaterials, 2023
  • Ahme, L.; Kuhn, E. and Delgado, M.A.: An approach of the internal friction-dependent temperature changes for conventional and pure biogenic lubricating greases. Friction 2023



  • Ahme,L.; Delgado,M.; Kuhn,E. : Experimental study on the expended energy on structural degradation of lubricating greases. Tribol Lett 70, 81 (2022).
  •  Kuhn,E.: The active role of lubricating grease as a tribological system - an energetic approach.  keynote speaker at TRIBOLOGY 2022-Tribology International Conference, 27.-29.4. Barcelona ( )
  •  Kuhn,E.:  Energetic investigation of lubricating grease thixotropy. WORLD TRIBOLOGY CONFERENCE, Lyon 2022
  •  Kuhn,E.: Introduction of irreversibility in the study of lubricating greases. 17th Arnold Tross Colloquium, 10.6.2022, Hamburg
  •  Kuhn,E.: Rheology a tool for tribological investigation. ELGI Amsterdam, October 2022



  • Kuhn,E.: Investiagtions about thixotropy of lubricating greases. 62. Jahrestagung der Gesellschaft für Tribologie, Göttingen 2021
  • Kuhn, E.: Die intrinsische Systemreaktion des tribologisch beanpruchten Schmierfettes. Tribologie + Schmierungstechnik · 68. Jahrgang · 1/2021

  • Kuhn, E.: Some thoughts about the nature of lubricating grease thixotropy. Analytik & Tribologische Konatkt-Systeme. ATN 2021. 27.-28.5. Münster


  • Kuhn, E.: Aspects of self-organization of tribological stressed lubricating greases. Lubricants 2020,8(3),28.//
  • Acar,N.; Franco, J.M.; Kuhn, E.; Goncalves, D.; Seabra, J.: Tribological Inve- stigation on the Friction and Wear Behaviors of Biogenic Lubricating Greases in Steel−Steel Contact.Appl. Sci. 2020, 10, 1477; //doi:10.3390/app10041477


  • Acar,N.; Franco,J.M.; Kuhn,E.: On the shear induced structural degradation of lubricating greases and associated activation energy: An experimental study. December 2019,Tribology International, doi:10.1016/j.triboint.2019.106105
  • Kuhn,E.: Besonderheiten des Strukturabbaus bei Schmierfetten.GfT-Jahrestagung, Göttingen 2019
  • Kuhn,E.: Structural degradation of lubricating greases - an energy driven process. ECOTRIB 12.6-14.6 2019, Vienna
  • Kuhn,E.: On the energetic nature of the structural degradation process of lubricating greases. 10th Iberian Conference on Tribology, Sevilla 26-28.6. 2019
  • Kuhn,E.: Friction and wear two opposing processes. 15th Arnold Tross Colloquium, Hamburg 17.5.2019



  •  Kuhn,E.: Application of a thermodynamical concept for the analysis of structural degradation of soap thickened lubricating greases. Lubricants 2018, 6(1), 7; doi:10.3390/lubricants6010007
  •  Acar,N.; Kuhn,E.; Franco,J.M.: Tribological and Rheological Characterization of New Completely Biogenic Lubricating Greases: a Comparative Experimental Investigation.Lubricants 2018  6(2)45 //
  •  Kuhn.E.: Structural degradation of lubricating greases-an energy driven process.6th International Conference Integrity, Reliability and Failure, 22-26.7.2018 Lissabon, Portugal
  •  Kuhn,E. and Acar,N.: Behavior of the lubricating grease structure during a tribologically stress. Lubmat-Conference, 5.+6.6. 2018  St. Sebastian,Spain
  •  Kuhn,E.: Beschreibung des Schmierfettverhaltens bei Reibungsbean-spruchung. GfT Jahrestagung, Göttingen 2018


  •  Kuhn.E. and Acar,N.: About the driving forces of structural degradation of tribological stressed greases. 9.IBERTIB Conference, Guimaraes, Portugal 12.6.-13.6 2017 
  •  Kuhn,E.: Modellierung des Schmierfettverschleißes für die stationäre Prozessphase. GfT-Tagung, Göttingen,2017


  •  Kuhn,E.: Über die Triebkräfte des Schmierfettverschleißes. Tribologie und Schmierungstechnik 6(2017)64
  •  Kuhn,E.: Analytical description of structures in stressed lubricating greases. 13th Arnold Tross Colloquium, Hamburg 2017, proceed. ISBN: 978-3-8440-5677-8


  •  Kuhn,E.:Tribological Stress of Lubricating Greases in the Light of System Entropy. Lubricants 2016, 4(4), 37; doi: 10.3390/lubricants4040037 
  •  Kuhn,E.: Effects of fluid friction on lubricating greases. LUBMAT Conference, 7-8 June,2016, Bilbao
  •  Kuhn,E.: An energetical investigation of the fluid friction inside a lubricating grease film.  5th International Conference on INTEGRITY, RELIABILITY and FAILURE.  24-28 July 2016, University of Porto. invited paper
  •  Kuhn.E.: Energetische Situation tribologische beanspruchter Schmierfette. GfT-Tagung, Göttingen, 26.-28.9. 2016


  •  Kuhn,E.: Correlation between system entropy and structural changes in lubricating grease.  Lubricants 2015, 3(2), 332-345; doi:10.3390/lubricants3020332 
  •  Martin Fiedler , Rubén Sánchez , Concepción Valencia , Claudia S. Leopold , Erik Kuhn and José M. Franco : Influence of Base Oil Polarity on the Transient Shear Flow of Biodegradable Lubricating Greases. Lubricants 2015, 3, 611-627; doi:10.3390/lubricants3030611
  •  Kuhn,E.: Irreversibilität und Schmierfettverschleiß.  Tribologie und Schmierunngstechnik, 5(2015)15, 5-12
  •  Kuhn,E.:Aspects of the irreversibility of the structural degradation of greases.Proc. of 11th Arnold Tross Colloquium, 6th of June 2015, Hamburg
  •  Kuhn,E.: Irreversible effects on grease structure due to friction energy. 6th International Conference on Mechanics and Material design. Ponta Delgada (Portugal), July 2015
  •  Kuhn,E.:Beurteilung des Strukturabbaus bei Schmierfetten infolge der Flüssigkeitsreibung. GfT-Tagung, Göttingen,Sept.2015


  •  Kuhn,E.: The Energetic Situation of the Structural Degradation of Lubricating Greases. LUBMAT 2014, 25th-27th of June 2014, Manchester
  •  Kuhn,E.: Interpretation rheologischer Untersuchungen zur Beschreibung des Schmierfettverschleißes. GfT, Göttingen, Sept.2014
  •  Kuhn.E. Achievement of stable states of stressed lubricating greases. 10th Arnold Tross Colloquium, HAW Hamburg, June,2014


  • Kuhn,E.: To the irreversibility of rheological wear. 9th ARnold TRoss Colloquium, Hamburg 14.6.2013 
  • Kuhn,E.: Friction and wear of a grease lubricated contact - An energetic approach, Chapter in Tribology- Fundamentals and Advancements. Ed. J.Gegner, InTech,ISBN 978-953-51-1135-1, 2013 
  • Kuhn,E.:Energetic investigations of the structural degradation of lubricating greases caused by friction. World Tribology Congress, 18-23.9. Turin 
  • Kuhn,E.:Energetics of structural degradation of lubricating greases. VII IBERIAN Conference on Tribology, University of Porto,20.-21.6.2013 
  • Kuhn,E.: Investigations of the structural degradation of lubricating greases from an energy point of view.SCAD, University of Ghent 20-22.2.2013 



    • Kuhn,E.: Behaviour of lubricating greases in a tribological contact. Intern. Conf. of Exp. Mechanics, Porto, 2012 
    • Fiedler,M.; Kuhn,E.; Sanchez,R.and Franco,J.M.: Influence of oil polarity and material combination on the tribological response of greases formulated with biodegradable oils and bentonite and highly-dispersed silicia acid", Lubrication Science, accepted 
    • Kuhn,E.: Inherent tribo-system response to optimise the process conditions. 8th Arnold Tross Colloquium, Hamburg 2012 
    • Kuhn,E.: Experimentelle Untersuchungen zur Strukturveränderung bei Schmierfetten, GfT-Tagung, Göttingen 2012 
    • Kuhn,E.: Friction and wear process within grease film. AGM ELGI München April2012 
    • Kuhn,E.: Investigation of the structural degradation of lubricating greases due to tribological stress. 18th Intern Coll. Tribology, january 2012,Stuttgart/Esslingen 




      • Kuhn,E.: Der Schmierstoffverschleiß. Tribologie und Schmierungstechnik.4(2011)58 
      • Sanchez,R.; Fiedler,M.; Kuhn,E.; Franco,J.M.: Tribological characterization of green lubricating greases formulated with castor oil and different biogenic thickener agents: a comparative experimental study"Industr. Lubr. and Trib.,6(2011) 
      • Fiedler,M; Kuhn,E.;Franco,J.M.;Litters,T.:Tribological Properties of Greases Based on Biogenic Base Oils and Traditional Thickener in Sapphite-Steel Contact. Tribol Letters(2011),293:304 
      • Kuhn,E.: Irreversible effects of the friction process. 7th Arnold Tross Colloquium, Hamburg 2011 
      • Kuhn,E.: Untersuchungen zum Strukturabbau bei Schmierfetten infolge tribologischer Beanspruchung. GfT Jahrestagung 2011, Göttingen 
      • Kuhn,E.: Energy balance and wear behaviour of a mixed friction contact. VDE/VDI-GMM-Symposium Connectors, Lemgo 2011 
      • Kuhn,E.: Tribological stress and structural behaviour of lubricating greases. ECOTRIB Wien, 7.-9.6.2011 




        • Kuhn,E.; Delgado,M.A.: Description of the structural degradation of lubricating greases as a reaction of the tribologcal system. Eurogrease,No.03/2010 
        • Kuhn,E.: Investigation of the correlation between friction energy and rheological wear. 6th Arnold Tross Colloquium, Hamburg 2010 
        • Kuhn,E.: Schmierfettbeanspruchung im Reibungskontakt und ihr Einfluss auf den tribologischen Prozess. GfT-Tagung, Göttingen, Sept.2010
        • Kuhn,E.: Some comments about the grease tribology. Eurogrease,No.02/2010 
        • Kuhn,E.: Reaction of Lubricating Greases to Friction Energy. 17th Intern Coll. Tribology,19.1-21.1.2010, Stuttgart/Ostfildern
        • Kuhn,E.: Analysis of a grease-lubricated contact from an energy point of view. Int. J. Materials and Product Technology, Vol38, No.1, 2010




            • Kuhn,E.: Einfluss der Struktur von Schmierfetten auf deren tribologisches Verhalten. GfT-Tagung, Göttingen,21.-23.9.
            • Kuhn,E.: Zur Tribologie der Schmierfette. expert verlag 2009
            • Löhr,M.;Kuhn,E.;Rieling,T.: Schallemission von SChmierfetten am Rheometer. 17.Kolloquium Schallemission.Bad Schandau,2009.
            • Kuhn,E.: The behaviour of lubricating greases stressed by the friction process. 2nd European Conference on Tribology (ECOTRIB), 7.-10.6.2009, Pisa, Italy 
            • Kuhn,E.; Delgado,M.A.: Behaviour of energetical parameters for wear of solid bodies and lubricants. 5th Arnold Tross COlloquium Hamburg 2009 
            • M. A. Delgado1 , J. M. Franco1, C. Valencia1, E. Kuhn and C. Gallegos:Transient shear flow of model lithium lubricating greases. Mechanics of Time Dependent Material.(2009)13:63-80 




                • Kuhn,E.:Effect of friction energy for a grease lubricated contact. NORDTRIB 2008, 11.-13.6. Tampere, Finland 
                • Kuhn,E.: Wear of greases from an energy point of view (Schmierfettverschleiß aus energetischer Sicht). GfT - Tagung, Göttingen 22.-24.9.2008 
                • Kuhn,E.: Extension of the wear definition and investigations of the contact situation within the grease film. 4th Arnold Tross Colloquium, Hamburg 
                • Kuhn,E.: Appearance and effect of friction energy for a grease lubricated contact. 16th Intern Colloquium Tribology, Stuttgart/Esslingen, 15 - 17.1 2008 
                • Delgado,M; Franco,J.M.; Kuhn,E.: Effect of Rheological Behaviour of Lithium Greases on the Friction Process. Industrial Lubrication and Tribology 60/1(2008) 
                • Kuhn,E.: Die Besonderheiten des tribologischen Kontaktes bei Anwesenheit von Schmierfett. Fachtagung Schmierfett, Fuchs Europe, Kiel, 18.-19.9.2008 



                    • Kuhn,E.: Über die Unmöglichkeit eines verschleißlosen tribologischen Prozesses. Tribologie +Schmierungstechnik 6(2007) 
                    • Kuhn,E.: Influence of the soap content of lubricating greases of the tribological process. Eurogrease, Amsterdam, 2007 
                    • M.A.Delgado; JM. Franco ; E.Kuhn; C. Gallegos: An Approach to the lubricating greases Rheology-Friction factor relationship. IV Congreso Iberico de Tribologia, Bilbao, 21-22 6.2007 
                    • Kuhn,E.: Reibungsenergiewirkungen im fettgeschmierten tribologischen Kontakt. GfT-Göttingen 2007 
                    • Kuhn,E.: Rheologischer Verschleiß als Folge der tribologischen Beanspruchung im hart/hart-Kontakt. 3.Arnold Tross Koloquium Hamburg 
                    • M.A.Delgado; JM. Franco C. Gallegos; E.Kuhn.:An experimental study of the relationship between the time-dependent rheological response and the friction process of lithium grease. 3.Arnold Tross Kolloquium. Hamburg 


                      • Kuhn,E.: Description of the energy level of grease lubricated contacts.AITC-AIT 2006, Intern Conference on Tribology, 20-22.9. Parma, Italy 
                      • Kuhn,E.: Reibung und rheologischer Verschleiß bei Schmierfetten . 15th International Colloquium Tribologie, 17 - 19 Januar, 2006 Esslingen 
                      • Kuhn,E.: Irreversible Eigenschaftsänderung durch Reibungsbeanspruchung bei Schmierfetten – rheologischer Verschleiss. Tribologie und Schmierungstechnik 3(2006)53 
                      • Kuhn,E.: Energieaufwendungen bei der tribologischen Beanspruchung von Schmierfetten. GfT-Tagung 25.-27.9.2006, Göttingen 
                      • Kuhn,E.: Beschreibung des Reibungs- und Verschleißprozesses im fettgeschmierten Kontakt. GfT-Fachabend, 12.9.2006 an der Universität Magdeburg 
                      • Kuhn,E.: Modellierung von Reibung und Verschleiss eines fettgeschmierten tribologischen Kontaktes. 2.Arnold Tross Kolloquium, Hamburg 2006, S.7-19 Tagungsband 
                      • Delgado,M.A.; Franco,J.M.; Valencia,C.; Kuhn,E.: Relationship between Rheology, Microstructure and tribology of Lithium Lubricating Greases. 2. Arnold Tross Kolloquium, Hamburg 2006,Page 84 - 101 Tagungsband. 


                      • Kuhn,E.; Rieling,T.; Kapoor,V.: Deformation tests with model greases by using a rheometer. Eurogrease 2005 
                      • Kuhn,E.: Untersuchungen zur Tribologie der Schmierfette aus energetischer Sicht. Naturwissenschaftlich Medizinisches Institut - Universität Tübingen, Schloß Haigerloch 27.- 28.4 2005 
                      • Kuhn, E.: Verhalten von Schmierfetten bei tribologischer Beanspruchung. Gesellschaft für Tribologie, Göttingen 26. - 28. 9.2005
                      • Kuhn, E.: Erweiterung der Energetischen Betrachtungsweise auf strukturviskose Schmierstoffe. 1. Arnold Tross Kolloquium, MuT der HAW Hamburg, 10.6.2005
                      • Kuhn,E.: Friction and Wear of Lubricating greases. ERC, Dep. of Trib.&Lub., Nieuwegein, 24.11.2006


                      • Kuhn,E.: Über den Zusammenhang des Deformations- und des tribologischen Verhaltens ausgewählter Schmierfette. Gesellschaft für Tribologie, Göttingen 27.- 29.9 2004 
                      • Kuhn,E.; Holweger,W.: Topography and tribological behaviour of lubricating greases - an experimental study. Industrial Lubrication and Tribology, 56(2004)1
                      • Kuhn,E.: Tribolocial Characterisation of Lubricating Greases and their Influence on Solid Body Wear. 14th International Colloquium Tribology, Tribology and Lubrication. Esslingen 13. - 15.1. 2004 



                        • Kuhn,E.: A tribological analysis of a grease lubricated contact. STLE Meeting. April 2003 New York 
                        • Kuhn,E.:Tribologisches Verhalten von Schmierfetten aus energetischer Sicht. Gesellschaft für Tribologie (GfT) - DGMK Tagung , Göttingen, Sept. 2003 



                            • Kuhn,E.: Zum energetischen Niveau fettgeschmierter Reibpaarungen. Tribologie und Schmierungstechnik, 
                            • Kuhn,E; Schmidt,T.: Cohesion behaviour of lubricating greases with a new Pendulum Tribometer. Eurogrease Nov/Dec. 2002 
                            • Kuhn,E.: Tribological characterisation of lubricating greases by using energetical parameters. 25th School of Tribology, 23-26.9.2002, University of Technology Wroclaw (Poland) 
                            • Kuhn,E.:Modelling the rheological wear of lubricating greases using energetic parameters. 13th Intern. Collouium Tribology, Jan. 2002. STuttgart/Ostfildern. 



                                • Kuhn,E.: Energetical model for friction and degradation process of lubricating greases. World Tribology Congress, Wien 
                                • Kuhn,E.: Reibungsenergiedichte und rheologischer Verschleiß. Tribologie und Schmierungstechnik 2(2001)48
                                • Kuhn,E.: Stoffeigenschaften von Schmierfetten aus tribologischer Sicht. Gesellschaft für Tribologie. Göttingen
                                • Kuhn,E.: A strain-rate diagram for lubricating greases. Eurogrease 8/9 2001



                                    • Kuhn,E.;Holweger,W.: Einfluß der Schmierfettstruktur auf das tribologische Verhalten. 12th Intern Coll.Tribology, Esslingen 11.- 13.1.2000, Proceed. Vol.I, Ed. J.-W.Bartz
                                    • Kuhn,E.: Viscosity rate and energy density. Eurogrease may 2000
                                    • Kuhn,E.: Energetical investigations of the tribology of lubricating greases. CEC / SAE - Fuels & Lubricants Meeting, Paris 19-22 june 2000. In "Topics in Lubricant" by SAE
                                    • Kuhn,E.: An algorithm to estimate the friction energy of a grease lubricated contact. Industrial Lubrication and Tribology, 52(2000)4 
                                    • Kuhn,E.: Energetische Untersuchungen zum Reibungs- und Verschleißverhalten von Schmierfetten. Gesellschaft für Tribologie ,26.-28.9.2000, Göttingen



                                        • Kuhn,E.: Experimental grease investigations from an energy point of view. Industrial Lubrication and Tribology, 51(1999)5



                                            • Kuhn,E.: Energetic investigations on the rheological wear of lubricating greases. 11th Intern Colloquium Tribology, Proc.Vol 3, Ed.W.Bartz, Esslingen
                                            • Kuhn,E.: Lubricating grease an active element of the tribological System. Eurogrease march/april 1998 
                                            • Kuhn,E.: Investigations into the degradation of the structure of lubricating greases. Tribology Transaction,Vol. 41(1998),2
                                            • Kuhn,E.: Investigation of stressed greases by use of a rheometer. Eurogrease ,Nov/Dec. 1998 



                                              • Kuhn,E.: Energetics of the time dependent flow behaviour of greases. Applied Rheology June 1997, p.118-122
                                              • Glüsing,H. and Kuhn,E.: Systematic effects on the precision of penetration readings - A contribution to the rheology of lubricating greases. Eurogrease Vol.9 (1997) jul/aug
                                              • Kuhn,E.; Balan,C.: Experimental procedure for the evaluation of the friction energy of lubricating greases. Wear 209(1997) 237-240
                                              • Kuhn,E.; Winkelmann,U.: (Letter) Korrelation between friction and wear. (Gibt es einen Zusammenhang zwischen Reibung und Verschleiß ?) Tribologie und Schmierungstechnik 44Jhg. 5(1997)



                                                • Kuhn,E.: Limiting energy density -a parameter to characterise the tribological behaviour of lubricating greases (german). 10th International Colloquium Tribology,9-11.january 1996.Tribology-Solving Friction and Wear Problems. Proceed.Ed. W.J.Bartz, Vol.3
                                                • Moertz,H.;Kuhn,E.: Investigation into the rheological behaviour of tribologically stressed greases. Eurogrease Juli/August 1996
                                                • Kuhn,E: Tribologische Beurteilung des zeitabhängigen Verhaltens von Schmierfetten (Time dependence of lubricating greases and its tribological characterisation).
                                                • Tribologie und Schmierungstechnik 43.Jahrgang, 5/1996
                                                • Kuhn, E.: Zur Rheologie von Schmierfetten. Vortr.zum VDI-Seminar, Wirtschaft aktuell Kiel 24.1.1996



                                                  • Kuhn,E.: Some aspects of an estimation of the behaviour of tribological stressed greases. Eurogrease May/June, 1995
                                                  • Kuhn,E.: Energieaufwendungen zum Erreichen einer minimalen Strukturviskosität. Rheology 2(1995)
                                                  • Kuhn,E.: Description of the energy level of tribologically stressed greases. WEAR 188(1995)



                                                      • Kuhn,E.: Tribologische Interpretation rheologischer Kenngrößen. Rheology 3 (1994), 129 - 132
                                                      • Kuhn,E.: Grundlagen zur energetischen Berechnung des rheologischen Verschleißes von Schmierfetten.Proceed. ÖTG Symposium, Wien 1994



                                                          • Kuhn,E.;Kuhn,K.: Energy investigations to the critical number of contacts with a mathematical model. EUROTRIB'93, Budapest, Vol.5,261-265



                                                          • Kuhn,E. Energy investigation of the rheological wear of lubricating greases. Rheology 4(1992)