Subject · Materials engineering
Materialların fiziki kimyəvi tədqiqat üsullarıTopics
Topic plan
The subject's topics and the learning outcomes attached to each one.
1. Introduction. general information about physico-chemical research methods.
LectureThe goals and objectives of the subject, the role of physico-chemical analysis methods in materials science, the history of development and industrial applications in engineering practice.
2. Chemical properties of materials and their research methods. the effect of the environment on the properties of materials.
LectureChemical activity of materials, behavior in aggressive environments (acidic, alkaline, salt solutions, moist air) and methods of evaluating chemical stability and oxidation.
3. Physical properties of materials and their research methods.
LectureBasic physical properties of metals and alloys such as density, thermal conductivity, electrical conductivity, heat capacity, thermal expansion and their accurate measurement methods.
4. Corrosion research methods. theoretical foundations.
LectureThermodynamic and kinetic bases of metal corrosion process, chemical and electrochemical corrosion mechanisms.
5. Factors affecting electrical resistance in metals.
LectureLaws of movement of electrons in metals, mechanisms of crystal lattice defects (vacancies, dislocations), temperature and alloying elements on electrical resistance of metal.
6. Method of accelerated corrosion studies. complete and cyclic wetting studies in electrolyte.
LectureCorrosion rate measurement in laboratory conditions, tests through salt spray chambers, full and intermittent (cycle) wetting tests.
7. Corrosion processes occurring at the metal-solution phase boundary.
LectureThe structure of the double electric layer, anode and cathode reactions, electrochemical processes and potential difference at the metal and electrolyte boundary (interface).
8. Study of methods of obtaining metal scraps by electrolysis, cementation, autoclave precipitation and intercrystalline corrosion.
LectureTechnologies of synthesis of special purpose metal scraps (powders) in powder metallurgy by electrochemical and hydrometallurgical methods.
9. Alloys with special properties and their research methods. magnetic steel and alloys. high electrical resistance steel and alloys.
LectureResearch of special magnetic (transformer steels, permanent magnets) and high electrical resistance (nichrome, fexral) alloys used in electrical engineering and device manufacturing.
10. Physico-chemical research methods of ovuntu materials.
LectureMethods of determination of particle size (granulometry), shapes, specific surface area, internal chemical composition and degree of oxidation of metal scraps.
11. Smart materials and their research methods.
LectureWorking principle and testing methods of "smart" materials that respond to external stimuli, such as shape memory (nitinol-type) alloys, piezoelectrics, magnetostrictive materials.
12. The essence of physical research methods of ovuntu materials and their types.
LectureProperties of x-rays, diffraction of x-rays in crystals (bragg-wolf law), measurement of crystal lattice parameters and basics of x-ray method (xrd).
13. Internal factors affecting the electrochemical corrosion process.
LectureRole of metal thermodynamic stability, phase composition heterogeneity, crystal lattice defects and structural internal stresses in electrochemical corrosion susceptibility.
14. Factors affecting magnetism.
LectureConditions for the formation of ferromagnetism, paramagnetism and diamagnetism in metals. effect of temperature (curie point), internal stresses, deformation and chemical composition on the magnetic properties of the material.