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Course detail
FSI-HPUAcad. year: 2023/2024
The course Recovery and Surface Treatment is important for technologists and designers. It is based on the technology of:- weld cladding: arc welding, flame welding, plasma and laser welding, inclusive of special techniques, - thermal spraying by: arc, flame, plasma, high velocity methods (HVOF), - surface treatment: surface theory, oxidation methods (eloxal process), electroplating Cu, Cr, Ni, Zn, etc. - organic coatings - bonding, cementation, adhesive, dispersion hardening. All technologies will be accompanied with an overview of auxiliary materials, typical examples and industrial applications
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Entry knowledge
Basic welding technologies - flame, arc welding, plasma, laser. Thermally and deformation field, weldability of materials, inorganic chemistry, corrosion.
Rules for evaluation and completion of the course
The final exam will be composed of written and oral part. It is classificated to the ECTS grading scale.
Attendance at exercises is compulsory. Absence may be compensated for by the agreement with the teacher who can set a special programme to be worked out.
Aims
The main objective of the course is to provide students with the theoretical foundations and methodology necessary for solving technologies of renovations and surface treatment. Students will acquire knowledge necessary for a creative and complex solution of renovations and surface treatment.
The students will acquire knowledge of all types of modern technology cladding and surface treatment. They will be able to apply these technologies to the machine construction manufacturing.
Study aids
Prerequisites and corequisites
Basic literature
Recommended reading
Elearning
Classification of course in study plans
specialization STM , 1 year of study, summer semester, compulsoryspecialization MTS , 1 year of study, summer semester, compulsoryspecialization STG , 1 year of study, summer semester, compulsory
Lecture
Teacher / Lecturer
Syllabus
1)Importance of renovation and surface treatment, surface theory, degreasing2)Hard surfacing by flame, plasma, electric arc3)Hard surfacing by electric contacts, vibration, microsurfacing4)Thermal spraying, basic technology, coat structure, properties 5)Thermal spraying by plasma, flame, consumables6)Thermal spraying electric arc and high-velocity flame spraying, applications7)Adhesive bonding, joints, hardening8)Cementation, importance, materials, slide paint9)Coatings deposited from liquid, galvanic10)Coatings deposited oxidation , melt metal coating11) Pickling, polishing, enameling, diffuse saturation 12)Organic layers, paint13)Summary of applications labs and studios
Laboratory exercise
1)Nickel alloy welding, renovation procedure2)Economic evaluation of renovation, calculation of costs 3)Demonstration of flame and arc cladding 4)Excursion - thermal spraying shop 5)Demonstration of the thermal spraying coatings, Project renovation process setting6)Calculation of the strength of adhesive bonding joints 7)Demonstration of the adhesive bonding and cementing 8)Excursion - galvanizing shop 9)Working in laboratory for surface treatment and hot-dip galvanizing shop10)Working in laboratory for surface treatment, enamelling 11)Proposing surface treatment by zinc dipping12)Proposing surface treatment by organic layers13)Course-unit credit awarding