{"id":1658,"date":"2024-07-25T18:37:14","date_gmt":"2024-07-25T15:37:14","guid":{"rendered":"https:\/\/www.iem.ihu.gr\/?post_type=course&p=1658"},"modified":"2025-05-28T20:15:40","modified_gmt":"2025-05-28T17:15:40","slug":"65-07","status":"publish","type":"course","link":"https:\/\/www.iem.ihu.gr\/en\/courses\/65-07\/","title":{"rendered":"Welding Technology"},"author":5,"template":"","meta":{"_acf_changed":false},"semester":[64],"course_type":[59],"class_list":["post-1658","course","type-course","status-publish","hentry","semester--1-2-6","course_type-optional"],"acf":{"code":"65.07","semester":64,"level":"1","teaching_activities":{"activity_1":{"description":"Theory","weekly_hrs":2,"ects":4},"activity_2":{"description":"Lab","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=116","prerequisites":"","instructors":[407],"coordinator":"","content":"Introduction. Types of welds. Symbolism of welds. Energy sources for welding. Electrical sources. Arc welding. TIG. MIG. Resistance welding. Electroslag welding. Chemical sources. Oxyfuel gas welding. Thermit welding. Optical sources Electron Beam welding. Laser beam welding. Solid state sources. Explosion welding. Ultrasonic welding. Friction welding. Diffusion welding. Electrode. Characteristics of the welding arc. Metallurgy of welds. Metal transfer. Thermal phenomena during welding. Heat flow in welding. Distribution of temperature. Remaining stresses and deformations. Peak temperatures distribution. Cooling rates. Solidification rates. Weld thermal cycle. Quality welding control (destructive and non-destructive control methods). Cracks. Geometric discontinuities. Lack of fusion. Lack of penetration. Inclusions. Porosity. The course includes hands-on workshops for metal welding using various techniques and microstuctural evaluation of the welds.","goals":"Students are expected to\r\n- acquire the knowledge of the fundamentals of welding and the different welding methods.\r\n- understand the main principles of Metallurgy of welding and the effect of various welding parameters in the structure and properties of welds.\r\n- to identify the discontinuities of welds and understand how to prevent and detect them.","skills":"Research, analysis and synthesis of data and information, using corresponding technologies, Adaptation to new situations, Independent work, Teamwork \u2013 distribution of responsibilities, Intellectual competences, Societal competence","teaching_methods":"Lectures, Exercises, Online guidance, Projected Presentations, E-mail communication, Online Synchronous and Asynchronous Teaching Platform (moodle).","students_evaluation":"Assessment Language: English \/ Greek\r\nThe final grade of the course is formed by 70% by the grade of the theoretical part and by 30% by the grade of the laboratory part.\r\n1. The grade of the theoretical part is formed by a written final examination.\r\nThe written final examination of the theoretical part may include:\r\nSolving problems of application of the acquired knowledge, Short answer questions etc\r\n2. The examination of the Laboratory Exercises is carried out with the continuous evaluation of the laboratory skills and the theoretical knowledge that were acquired in the course by the method of continuous evaluation and submission of weekly assignments","bib_textbooks":"Principles of welding: Processes, Physics, Chemistry, and Metallurgy, MESSLER R. W., 2004, Wiley-VCH.\r\nWelding processes handbook, Weman K., 2012, second edition, Woodhead Publishing","bib_journals":""},"_links":{"self":[{"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course\/1658","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":12,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course\/1658\/revisions"}],"predecessor-version":[{"id":4204,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course\/1658\/revisions\/4204"}],"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=1658"}],"wp:term":[{"taxonomy":"semester","embeddable":true,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/semester?post=1658"},{"taxonomy":"course_type","embeddable":true,"href":"https:\/\/www.iem.ihu.gr\/en\/wp-json\/wp\/v2\/course_type?post=1658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}