{"id":1649,"date":"2024-07-25T18:37:14","date_gmt":"2024-07-25T15:37:14","guid":{"rendered":"https:\/\/www.iem.ihu.gr\/?post_type=course&p=1649"},"modified":"2025-05-28T20:15:29","modified_gmt":"2025-05-28T17:15:29","slug":"65-04","status":"publish","type":"course","link":"https:\/\/www.iem.ihu.gr\/en\/courses\/65-04\/","title":{"rendered":"Tribology"},"author":5,"template":"","meta":{"_acf_changed":false},"semester":[64],"course_type":[59],"class_list":["post-1649","course","type-course","status-publish","hentry","semester--1-2-6","course_type-optional"],"acf":{"code":"65.04","semester":64,"level":"1","teaching_activities":{"activity_1":{"description":"Theory","weekly_hrs":2,"ects":4},"activity_2":{"description":"Exercises","weekly_hrs":1,"ects":""},"activity_3":{"description":"","weekly_hrs":"","ects":""},"activity_4":{"description":"","weekly_hrs":"","ects":""},"activity_5":{"description":"","weekly_hrs":"","ects":""}},"type":59,"language":"\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac","erasmus":"\u038c\u03c7\u03b9","url":"https:\/\/exams-sm.the.ihu.gr\/enrol\/index.php?id=18","prerequisites":"","instructors":[407],"coordinator":"","content":"Structure and decisive parameters of tribological systems.\r\nComposition and geometrical characteristics of the technical surfaces.\r\nMechanical, chemical and thermal processes during sliding of contacting solid surfaces.\r\nTypes, mechanisms, parameters and laws of solid friction.\r\nFrictional behaviour of the main technical materials (metals and alloys, ceramics, polymers, solid lubricants).\r\nTransition phenomena in friction contacts.\r\nSliding and rolling friction, free rolling and traction rolling.\r\nTypes, mechanisms, parameters and laws of wear.\r\nBehaviour of the main technical materials under wear conditions.\r\nHydrostatic, hydrodynamic, elastohydrodynamic, aerostatic and aerodynamic lubrication, marginal and partial lubrication.\r\nThe Reynolds equation.\r\nJournal and roller bearings.\r\nSolid lubrication.\r\nClassification, properties and application of lubricants.","goals":"- Understanding the physical processes and laws governing friction and wear in technical contacts, aiming to improving their durability, performance and effectiveness.\r\n- Learning the behaviour of the main technical materials under friction and wear (metals and alloys, ceramics, polymers) in order to select the appropriate materials according to the operating conditions.\r\n- Understanding the function and learning the theory of solid, fluid (hydrostatic, hydrodynamic, elastohydrodynamic) and gas lubrication.\r\n- Getting familiar with the design, operation and application of the various types of bearings.\r\n- Getting acquainted with the various types of lubricants in order to be able to select the appropriate lubricant for each application.","skills":"Research, analysis and synthesis of data and information\r\nDecision making\r\nAutonomous work\r\nPromoting free, creative and inductive thinking","teaching_methods":"Lectures\r\nExercises\r\nProjected presentations\r\nE-mail communication\r\nOnline synchronous and asynchronous teaching platform (moodle)","students_evaluation":"Assessment Language: Greek\r\nWritten final examination","bib_textbooks":"https:\/\/moodle.teithe.gr\/ pluginfile.php\/17241\/mod_resource\/content\/0\/\u03a4\u03a1\u0399\u0392\u039f\u039b\u039f\u0393\u0399\u0391\r\n\u2022 \u0399.\u039c. Hutchins, p. Shipway, Tribology, Friction and Wear of Engineering Materials, 2nd Ed., 2017, Butterworth-Heinemann, ISBN: 9780081009109\r\n\u2022 B. Bhushan, Principles and Applications of Tribology, 2nd Ed., 2013, John Wiley & Sons, ISBN: 978-1-119-94454-6\r\n\u2022 P.I. Blau, Friction Science and Technology: From Concepts to Applications, 2nd Ed., 2008, CRC Press, ISBN 9781420054040\r\n\u2022 Wilfried Dresel, Theo Mang, Lubricants and Lubrication, 2017, Wiley-VCH, ISBN:9783527326709","bib_journals":""},"_links":{"self":[{"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course\/1649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course"}],"about":[{"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/types\/course"}],"author":[{"embeddable":true,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/users\/5"}],"version-history":[{"count":14,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course\/1649\/revisions"}],"predecessor-version":[{"id":4200,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course\/1649\/revisions\/4200"}],"acf:post":[{"embeddable":true,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/staff\/407"}],"acf:term":[{"embeddable":true,"taxonomy":"course_type","href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course_type\/59"},{"embeddable":true,"taxonomy":"semester","href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/semester\/64"}],"wp:attachment":[{"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/media?parent=1649"}],"wp:term":[{"taxonomy":"semester","embeddable":true,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/semester?post=1649"},{"taxonomy":"course_type","embeddable":true,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course_type?post=1649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}