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					International Studies in the Faculty of Mechanics


The Faculty of Mechanics offers for the international exchange students the subjects that belong
to three different areas:
• Engineering materials and technology;
• Manufacturing techniques;
• Product development.
Significant attention is paid to the Estonian peculiarities. The exchange students are taught
individually. The carrying out time of those subjects depends on the agreement between the
lecturers and exchange students.


Study Module



 Lecturer               Subject                                    Exam/      Preliminary      ECTS
                                                                   exam                        CP

                                                                   P
 Prof. Toomas Pihl      Composites, Coating and Plastics                                       4,0

                                                                   P
 Prof. Riina Pihl       Engineering Materials - project                                        4,0


 As.     Prof.   Mait   Tolerancing and Measurement Technics       E                           5,0
 Purde

                                                                        Total: 13, 0 ECTS CP


Optional module (minimum 5,0 ECTS CP, maximum 6,0 ECTS CP)*

 Lecturer                   Subject                            Exam/ Preliminary exam       ECTS CP


 Prof. Toomas Pihl          Welding Technology and Equipment   E                            3,0


 Prof. Toomas Pihl          Engineering Materials              E                            6,0

                                                               P
 Prof. Renee Joost          Powder Metallurgy                                               2,0

                                                                        Total: 11, 0 ECTS CP
*courses open with minimum 3 students.
SUBJECT DESCRIPTIONS


Composites, Coating and Plastics
Prof. Toomas Pihl


General characteristics of composite materials. Methods of manufacturing composites: molding,
forming and wrapping. Classification according to field of application: general-duty structural,
heat-resistant, antifriction, impact resistant and fireproof composites, their composition, properties
and applications. Classification according to fiber-embedding matrix: metallic, polymeric, ceramic
and
carbon-base composites, their manufacturing technology, properties and applications. Powder
coatings, their nature and behavior. Coating equipment. Gas thermal coating, powder flame
spray, powder metallurgical and vapor-deposited coatings. Metallic coatings. Galvanized zinc
coatings, electroplated nickel, cadmium, chromium and copper coatings. Oxide and phosphate
coatings. Properties and application of electroplated coatings. Enamel, paint and lacquer
coatings. Features and use of organic coatings. Review of most commonly used plastics, their
designation, properties, forming, machining and testing methods. Selection of plastics capable of
substituting metals as the material of sleeve bearings, gears, etc.




Engineering Materials- project
Prof. Toomas Pihl


Mechanical properties and testing of materials for static, dynamic and fatigue strength. Special
properties, e.g. wear resistance, corrosion resistance, scale resistance, and low-temperature
behavior. Metallic materials: structure of metals and alloys and its association with mechanical
properties. Ferrous alloys – steel and iron, their classification, properties, standard grades
according to Russian GOST and European DIN–EN systems. Non-ferrous alloys: Al, Cu, Ti, Mg,
Pb, Sn, Sb, W, Mo and their alloys. Non-metallic materials. Engineering plastics: classification,
properties and field of application. Composite materials: specific features of their properties and
structure. Classification and applications. Metallic, polymeric, ceramic and carbon-fibre reinforced
composites.




Tolerancing and Measurement Technics
As.Prof. Mait Purde
Standards and standardization. Fundamentals of limits and fits. The ISO system of limits and fits
for cylindrical holes and shafts. Types and nature of fits, principles of their use and selection.
Assignment of tolerances on non-functional dimensions. Tolerances of form and location. Surface
roughness. Tolerances of and fits for rolling bearings. Profile and tolerances for metric screw
thread. Tolerances for keyed and splined elements. Dimension chains. Selective assembly.
Accuracy of gears. Fundamentals of measurement engineering. Construction and practical use of
general-purpose measuring instruments. Laboratory training.




Welding Technology and Equipment
Prof. Toomas Pihl


Physics of welding. Welding processes. Weld ability of metals. Kinds of welded joints. Types of
weld and welding symbols. Procedure of arc welding. Power sources for arc welding and welding
equipment. Arc-welding consumables. Electric resistance welding. Shielded-arc welding. Welding
steels, cast iron and non-ferrous metals. Surfacing and hard facing. Repair welding. Torch
welding and flame cutting. Plasma-arc, electron-beam, ultrasonic, diffusion and friction welding.
Spray-transfer coating. Welding imperfections and quality control. Welder’s working place,
ventilation and labor protection.




Engineering Materials
Prof. Toomas Pihl


The aim of the course is to provide knowledge about main engineering materials in modern
technology: metallic materials, non-metallic materials. Steels, cast irons, copper- and aluminum
alloys, materials with special technologies and physical properties. Organic and inorganic
polymers. Engineering plastics, elastomers, ceramic, glass, graphite, composite materials.
Short Description of Content: Ferrous metal: steel and cast iron, their usage. Mechanical
properties and testing of materials for static, dynamic and fatigue strength. Materials with specific
technological properties, e.g. good weldability, malleability and machinability. Conductors,
magnetic materials. Incorrodible and heat-resistant materials. Structure and properties of
polymers. Plastics, elastomers and their reprocessing. Ceramic materials, glass and
carbonaceous materials: diamond, graphite,fullerenes. Principles of nano-materials and nano-
technology. Composite materials: content and properties. Description of Teaching Methods:
Lectures, homework ―Choice of Material‖, test.
Powder Metallurgy
Assistant Prof. Renee Joost


Introduction. Classification of structural materials. Classification of metallurgical processes.
Powder metallurgy providing a method for manufacturing materials intended for machine
components or materials with the desired special purposes. Production of metal powders —
mechanical and physicochemical methods. Chemical, physical and technological properties of
metal powders. Preparation of metal powders for compacting: fractionation, annealing and
granulation. Compacting the powder to form the product - by pressing or without pressing.
Sintering alternatives of the compacted powder product – solid-phase or liquid- phase sintering.
Complementary treatment of the sintered product aimed at the enhancement of mechanical
properties, corrosion resisting quality and dimensional accuracy. Properties of the sintered
product – density, porosity, shrinkage, strength,
modulus of elasticity, hardness and structure. Scope of sintered materials – structural, antifriction
and friction materials, filters and porous materials, high-fusing materials, magnetic composites,
and carbon-
base materials.

				
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posted:11/2/2011
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