Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Nelson Filipe Lopes Dias"'
Autor:
Wolfgang Tillmann, Finn Ontrup, Eric Schneider, Michael Paulus, Christian Sternemann, Nelson Filipe Lopes Dias
Publikováno v:
Hybrid Advances, Vol 5, Iss , Pp 100120- (2024)
AlCrN and AlCrVYN thin films were deposited by physical vapor deposition using dcMS, HiPIMS and hybrid dcMS/HiPIMS processes. Although all the thin films were produced using the same time-average power and show only slight differences in the chemical
Externí odkaz:
https://doaj.org/article/011e16780bb0493f82fc59ac24d61861
Autor:
Carl Arne Thomann, Adrian Wittrock, Alexandra Wittig, Nelson Filipe Lopes Dias, Dominic Stangier, Wolfgang Tillmann, Jörg Debus
Publikováno v:
APL Materials, Vol 11, Iss 3, Pp 031106-031106-7 (2023)
Amorphous carbon (a-C) attracts great attention in tribology research and thin film technologies due to its versatile properties. However, high temperatures and mechanical stresses may cause significant changes in the structural ordering of the a-C n
Externí odkaz:
https://doaj.org/article/bbcd6a02ce3d4c728d5ba2e08b56f73a
Autor:
Wolfgang Tillmann, Nelson Filipe Lopes Dias, Dominic Stangier, Christopher Schaak, Simon Höges
Publikováno v:
Materials & Design, Vol 213, Iss , Pp 110304- (2022)
Diamond-like carbon (DLC) coatings deposited on additively manufactured steel greatly improve the tribological properties. However, a high substrate hardness is crucial to sustaining high mechanical loads in the tribological contact. Herein, the heat
Externí odkaz:
https://doaj.org/article/487ce03af25246f081ccd0676e1874e5
Structure and tribo-mechanical properties of Si- and W-containing amorphous carbon based multilayers
Autor:
Wolfgang Tillmann, Nelson Filipe Lopes Dias, Dominic Stangier, Serguei Matveev, Carl-Arne Thomann, Jörg Debus
Publikováno v:
Applied Surface Science Advances, Vol 5, Iss , Pp 100105- (2021)
Designing the film architecture of amorphous carbon based systems is effective in tailoring the tribo-mechanical properties. For this purpose, alternating a-C and a-C:X layers, with X = Si or W, were grown with a layer ratio of 1, a bilayer period of
Externí odkaz:
https://doaj.org/article/25cb0ac9263a4c6a94d90c6b2f980add
Autor:
Wolfgang Tillmann, Dominic Stangier, Alexander Meijer, Eugen Krebs, Alexander Ott, Timo Platt, Nelson Filipe Lopes Dias, Leif Hagen, Dirk Biermann
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 6, Iss 2, p 37 (2022)
New manufacturing technologies, such as Sheet-Bulk Metal Forming, are facing the challenges of highly stressed tool surfaces which are limiting their service life. For this reason, the load-adapted design of surfaces and the subsurface region as well
Externí odkaz:
https://doaj.org/article/3fa4c8e1f9e348f6bb74e4da4c19e272
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
Autor:
Wolfgang Tillmann, Dominic Stangier, Nelson Filipe Lopes Dias, Nikolai Gelinski, Michael Stanko, Markus Stommel, Eugen Krebs, Dirk Biermann
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 3, Iss 4, p 88 (2019)
In injection molding, the reduction of ejection forces is a process relevant aspect to improve the production rates. For this purpose, CrN and CrAlN films were sputtered on cylindrical and quadratic AISI H11 cores of an injection mold in order to inv
Externí odkaz:
https://doaj.org/article/9869a03444264d95b1741e4820271b90
Autor:
Maxwell Hein, Nelson Filipe Lopes Dias, Sudipta Pramanik, Dominic Stangier, Kay-Peter Hoyer, Wolfgang Tillmann, Mirko Schaper
Publikováno v:
Materials; Volume 15; Issue 11; Pages: 3774
Titanium alloys, especially β alloys, are favorable as implant materials due to their promising combination of low Young’s modulus, high strength, corrosion resistance, and biocompatibility. In particular, the low Young’s moduli reduce the risk
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
Structure and tribo-mechanical properties of Si- and W-containing amorphous carbon based multilayers
Autor:
J. Debus, Nelson Filipe Lopes Dias, Serguei Matveev, Wolfgang Tillmann, Carl-Arne Thomann, Dominic Stangier
Publikováno v:
Applied Surface Science Advances, Vol 5, Iss, Pp 100105-(2021)
Designing the film architecture of amorphous carbon based systems is effective in tailoring the tribo-mechanical properties. For this purpose, alternating a-C and a-C:X layers, with X = Si or W, were grown with a layer ratio of 1, a bilayer period of