Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Ints Steins"'
Autor:
Ashish Kumar Singh, Reinis Drunka, Paula Iesalniece, Ilmars Blumbergs, Ints Steins, Toms-Valdemars Eiduks, Mairis Iesalnieks, Konstantins Savkovs
Publikováno v:
Surfaces, Vol 6, Iss 4, Pp 364-379 (2023)
Oxide films produced from plasma electrolytic oxidation are porous in structure. While they have some passivating effect in Mg alloys, the pores still lead to corrosion over long periods of exposure. In this study, spray pyrolysis was used to seal th
Externí odkaz:
https://doaj.org/article/8da056ab345e46b1901bac1660ba703e
Publikováno v:
Medžiagotyra, Vol 29, Iss 3, Pp 298-304 (2023)
The plasma electrolytic oxidation method was used with AZ31 magnesium alloy plates for improving the corrosion resistance of the alloy. Process parameters for the plasma electrolytic oxidation setup were optimized by studying the effects of KOH conce
Externí odkaz:
https://doaj.org/article/75d5f98dc9ba46a099f44be4c34f7861
Autor:
Ashish Kumar Singh, Reinis Drunka, Krisjanis Smits, Martins Vanags, Mairis Iesalnieks, Aiga Anna Joksa, Ilmars Blumbergs, Ints Steins
Publikováno v:
Crystals, Vol 13, Iss 3, p 508 (2023)
Lightweight magnesium alloys offer excellent benefits over Al alloys due to their high specific strength and damping properties, but they are more prone to galvanic corrosion. Plasma electrolytic oxidation (PEO) coatings reinforced by nanoparticles h
Externí odkaz:
https://doaj.org/article/9d4b54a3bb2e43aa86b8ff932e1c352f
Publikováno v:
Medžiagotyra, Vol 21, Iss 1, Pp 96-99 (2015)
This research is devoted on the investigation of effect of SPS (spark plasma sintering) by comparing with the conventional sintering on the mullite-ZrO2 ceramics development. Mullite-ZrO2 ceramics was produced from different time ball-milled powders.
Externí odkaz:
https://doaj.org/article/3200229c17d9470d96153d224312f6f8
Publikováno v:
Medžiagotyra, Vol 19, Iss 3, Pp 250-253 (2013)
The principle of spark plasma ceramics sintering method is presented, its advantages and disadvantages are discussed. Li+ ionic conductor Li3xLa2/3–xTiO3 (x = 0.1) and oxygen ionic conductor CeO2-20 mol% Sm2O3 nanoceramics have been prepared using
Externí odkaz:
https://doaj.org/article/dc57d3c9a1484372830c572b9245530d
Publikováno v:
Medžiagotyra, Vol 24, Iss 3, Pp 243-246 (2018)
Microwave assisted and molten salts synthesis were extended for preparation of ceria (10 mol%; 15 mol%) stabilized zirconia and their parameters and sinterability were compared with that of particles prepared by the sol-gel combustion method. As-prep
Externí odkaz:
https://doaj.org/article/0e8eb60ef7ea4a6ba9768306b88f1c3e
Publikováno v:
Medžiagotyra, Vol 22, Iss 1, Pp 70-73 (2016)
In the present study, four refractory carbides – TiC, NbC, TaC and SiC - have been produced by carbothermal reduction of a precursor prepared by sol-gel and coat-mix (SiC) process. Binary hydrogels, in which the oxide gel and a pyrolysable organic
Externí odkaz:
https://doaj.org/article/b1ce481c9fc442db8f13b7a6d1c0f80e
Publikováno v:
Medžiagotyra, Vol 21, Iss 3, Pp 369-371 (2015)
The formation of high temperature composites in W-C-Bsystem from fine-grained powders in dependence on the ratio of components byusing reactive spark plasma sintering was studied. The mixture of W2Cand C nanoparticles was used as tungsten and carbon
Externí odkaz:
https://doaj.org/article/c45f37894c46443eb7b22f65e6633cd7