Zobrazeno 1 - 10
of 24
pro vyhledávání: '"David Kokalj"'
Publikováno v:
Applied Surface Science Advances, Vol 6, Iss , Pp 100149- (2021)
The formation of a nanocomposite structure is thermodynamically driven by spinodal decomposition in at least two phases. With respect to the suppression of solid solution formation, artificial nc-TiN/nc-CrN composites were deposited using a novel hyb
Externí odkaz:
https://doaj.org/article/44be852ca409427ea6fca301e1411edb
Autor:
Maxwell Hein, David Kokalj, Nelson Filipe Lopes Dias, Dominic Stangier, Hilke Oltmanns, Sudipta Pramanik, Manfred Kietzmann, Kay-Peter Hoyer, Jessica Meißner, Wolfgang Tillmann, Mirko Schaper
Publikováno v:
Metals, Vol 12, Iss 1, p 122 (2022)
In biomedical engineering, laser powder bed fusion is an advanced manufacturing technology, which enables, for example, the production of patient-customized implants with complex geometries. Ti-6Al-7Nb shows promising improvements, especially regardi
Externí odkaz:
https://doaj.org/article/a2f57c56baa64dfc86a243ae9e46f14a
Publikováno v:
Sensors, Vol 19, Iss 15, p 3414 (2019)
Thin film thermocouples are widely used for local temperature determinations of surfaces. However, depending on the environment in which they are used, thin film thermocouples need to be covered by a wear or oxidation resistant top layer. With regard
Externí odkaz:
https://doaj.org/article/e4f2ee933e1e40bf8612fb22716137d4
Autor:
Maxwell Hein, Nelson Filipe Lopes Dias, David Kokalj, Dominic Stangier, Kay-Peter Hoyer, Wolfgang Tillmann, Mirko Schaper
Publikováno v:
International Journal of Fatigue. 166:107235
Publikováno v:
Advanced Powder Technology. 31:4119-4128
Arc discharge synthesis has industrial relevance due to its low cost and scale-up potential. The production of titanium nitride nanoparticles was achieved by direct current arc discharge in an atmospheric-pressured ambient composed of N2 and Ar. We s
Publikováno v:
Applied Surface Science Advances, Vol 5, Iss, Pp 100119-(2021)
Molybdenum nitride films exhibit superior tribological properties, due to the possibility to form Magneli phases when exposed to elevated temperatures. MoNx thin films were deposited by means of DC magnetron sputtering, while varying the bias-voltage
Autor:
Wolfgang Tillmann, Nelson Filipe Lopes Dias, David Kokalj, Dominic Stangier, Maxwell Hein, Kay-Peter Hoyer, Mirko Schaper, Daria Gödecke, Hilke Oltmanns, Jessica Meißner
Publikováno v:
Materials Letters. 321:132384
Autor:
Volker Schöppner, Hoda Bayazian Benis, Dominic Stangier, David Kokalj, Wolfgang Tillmann, Hatice Malatyali
Publikováno v:
Thin Solid Films. 663:148-158
Ni/Ni-Cr thin film thermocouples were deposited by means of DC magnetron sputtering for the application in plastic extrusion dies. In order to ensure the application of the thermocouples on complex surfaces, a thermally sprayed Al2O3 layer was used b
Publikováno v:
Surface and Coatings Technology. 344:223-232
Ni-Cr (80–20 at.-%) thin films were synthesized by means of DC magnetron sputtering on thermally sprayed Al2O3 insolating coatings. In view of the application as a thin-film thermocouple, the ceramic layer provides an electrical as well a thermal i
Autor:
Metin Tolan, Michael Paulus, Dominic Stangier, Christian Sternemann, David Kokalj, Wolfgang Tillmann
Publikováno v:
Applied Surface Science. 427:511-521
Friction minimization is an important topic which is pursued in research and industry. In addition to the use of lubricants, friction-reducing oxide phases can be utilized which occur during. These oxides are called Magneli phases and especially vana