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Bioceramics ĶST 607 Assistant proffesor Līga Bērziņa



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Bioceramics

ĶST 607




Assistant proffesor Līga Bērziņa


Course description: 10 Credit units 32 hours lectures

Control forms: Exam
Course content:

  • Biomaterials, definition, history of development, division.

  • Chemistry and technology of biomaterials.

  • General characterization of bioceramics. Bioinert and bioactive bioceramics.

  • Corundum, zirconum, titanium dioxide, calcium phosphate, hydroksilapathite bioceramics.

  • Obtaining technology of bioceramics and biocoatings.

  • Sol-gel technology as one of obtaining methods of bioceramic materials. Examples of synthesis.

  • Formation of bone-tissues and their interactions with biomaterials.

  • One- and many layers coatings onto the implants.

  • The role of interfacial surfaces in the processes of obtaining, treatment and service of biomaterials.

  • The standards of biomaterials.


Literature:

  1. Larry l.Hench, June Wilson. An Introduction to Bioceramics, Advanced Series in Ceramics. Vol.1, Hong Kong, 1993, 386.

  2. G.Heimke. Bioceramics. Vol.2, Heidelberg, Germany, 1990.

  3. Ö.H.Andersson, R.P.Happanen, A.Y.Urpo. Bioceramics. Vol.7, Turku, Finland, Butterworth Heinemann, 1994.

  4. L.Bērziņa. Lekciju konspekts “Biokeramikā un tehnoloģijā” (rokraksts), 1999.



Investigation methods of high temperature materials

KST 608

Professor Gundars Mežinskis

Course description: 15Credit units; 32 hours lectures


Control forms: Exam
Course content:

  • Methods of mathematics statistics.

  • X-ray structure and X-ray phase analysis.

  • X-ray spectroscopy.

  • Thermal analysis.

  • Differential scanning colorimetry.

  • Electron microscopy. Scanning electron microscopy.

  • Auger spectroscopy.

  • Methods of emission and absorption spectroscopy.

  • Nuclear magnetic resonance method.

  • Messbauer spectroscopy.

  • Surface analysis of materials.



Literature:


  1. F.Dtcn. {bvbz ndthljuj ntkf. Ntjhbz b ghbkj;tybz. x.1>2. Vjcrdf> Vbh> 1988.

  2. E.Etylkfyln. Nthvbxtcrbt vtnjls fyfkbpf. Vjcrdf> Vbh> 1978.

  3. B.Hjvfityrj> F.Jhkjd. Rybuf lkz yfxbyf/otuj bccktljdfntkz [bvbrf. K.% {bvbz> 1987.


Chemistry and Technology of Portland Cement Clinker

KST 641

Assistant Professor Ojārs Baumanis


Course description: 10Credit units; 32 hours lectures

Control forms: Exam rakstveidā
Course content:

  • Constituents of portland cement clinker. Chemical and mineralogical composition of clinker. Alite, belite, C3A, brownmillerite, periclase, glass phase, free CaO. Solid solutions.

  • The equilibria of clinker components: systems CaO-SiO2, CaO-Al2O3, CaO-Fe2O3, CaO-SiO2-Al2O3, CaO-Al2O3-Fe2O3, CaO-SiO2-Al2O3-Fe2O3; systems containing MgO, Na2O, K2O, TiO2, P2O5, Cr2O3, SO3.

  • Chemistry of cement hydration: systems C3S-H2O, C2S-H2O, C3A-H2O, C4AF-H2O, C3A-CaSO4-H2O. Influence of Na2O and K2O. The structure of the hydration products. Identification of phases.The aluminate and ferrite complex salts (calcium sulfoaluminates, calcium chloraluminates, calcium sulfoferrites, hydrogarnet solid-solution series, sulfoaluminate-alkali systems).

  • Technology of portland cement manufacture: raw materials, proportioning of raw materials, preparation of kiln feed (dry and wet process), burning of raw material mixture, treatment of clinker, milling process of clinker ans additives, separation and packing cement.

  • Requirements of cement:

- physical requirements (initial setting time, soundness),

- chemical requirements (loss on ignition, insoluble residue, sulphate, chloride),



- mechanical requirements (standard compressive strength, early strength).
Literature:

  1. ?.V. V.V.Csxtd> D.D.Nbvfitd. {bvbxtcrfz nt[yjkjubz dz;eob[ vfnthbfkjd. V.> Dscifz irjkf> 1980.

  2. F.F.Gfotyrj> D.G.Cth,byf> C.F.Cnfhxtdcrfz. Dz;eobt vfnthbfks. Rbtd> Dbof irjkf> 1975.

  3. F.D.Djk;tycrbq> ?.C. D.C.Rjkjrjkmybrjd. Vbythfkmyst dz;eobt dtotcndf. V.> Cnhjqbplfn> 1966> 1973> 1979> 1986.


Physical chemistry of silicate and high-melting nonmetallic materials

KST 653

Professor Uldis Sedmalis


Course description: 10Credit units; 32 hours lectures

Control forms: Exam
Course content:

  • Diagrams of phase equilibrium, their obtaining and using. Enantiotrophic and monotrophic changes of phase.

  • Diagram of practical changes of SiO2 modifications. Crystalline modifications of SiO2 in conditions of increased pressure.

  • Aluminium compounds: hydrides, borides, carbides, nitrides, haloides, oxides and hydroxides.

  • Zirconium compounds: hydrides, borides, carbides, nitrides, oxides and hydroxides.

  • Formation of baddeleyite and zircon in earth crust and artificial systems.

  • Diagrams of phase equilibrium of one component systems with several polymorphic modifications.

  • The main diagrams of phase equilibrium in two component systems.

  • The main diagrams of phase equilibrium in three component systems.

  • The main diagrams of phase equilibrium in four and multi component systems.

  • Six periods of solid state reactions by Hüttig. Principle of solid substance reaction sequence. Formation scheme of calcium silicates. Reaction kinetics of the solid substance. Jander’s, Ginsting’s, Bronstein’s equations of reaction kinetics.

  • Silicates in crystalline state. The main formation lawfulness of ion-covalent crystall structures. Basic types of crystalline silicate structures.

  • Silicates in liquid and solid state. Crystallization of silicate melt and glass. Properties of silicates in liquid and glassy state.

  • Thermochemistry of silicates and use of some general chemical thermodynamic law in silicate chemistry.


Literature:

  1. Y.V. Dsci.irjkf> 1984> 256.

  2. Abpbxtcrfz [bvbz cbkbrfnjd. Gjl.htl. F.F.Gfotyrj. V.> Dscifz irjkf> 1986> 368.

Chemistry and Technology of Glass and Glassy Materials

ĶST 667


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