Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Norbert Kazamer"'
Autor:
Roxana Muntean, Petru-Cristian Vălean, Norbert Kazamer, Ion-Dragoș Uțu, Gabriela Mărginean, Viorel Aurel Șerban
Publikováno v:
Lubricants, Vol 11, Iss 9, p 363 (2023)
Ni-based alloys are among the materials of choice in developing high-quality coatings for ambient and high-temperature applications that require protection against intense wear and corrosion. The current study aims to develop and characterize NiCrBSi
Externí odkaz:
https://doaj.org/article/1d21b7d2ad304dc2bbb6f9f08ce184ef
Publikováno v:
Materials, Vol 16, Iss 14, p 5183 (2023)
Without proper post-processing (often using flame, furnace, laser remelting, and induction) or reinforcements’ addition, Ni-based flame-sprayed coatings generally manifest moderate adhesion to the substrate, high porosity, unmelted particles, undes
Externí odkaz:
https://doaj.org/article/96569497f55347fd9a9e7a11de43ffb1
Publikováno v:
Crystals, Vol 12, Iss 6, p 762 (2022)
Tape brazing constitutes a cost-effective alternative surface protection technology for complex-shaped surfaces. The study explores the characteristics of high-temperature brazed coatings using a cobalt-based powder deposited on a stainless-steel sub
Externí odkaz:
https://doaj.org/article/d0187ed97b11471193e88f19012c080f
Autor:
Maximilian Cieluch, Pit Yannick Podleschny, Norbert Kazamer, Florian Josef Wirkert, Ulrich Wilhelm Rost, Michael Brodmann
Publikováno v:
Nanomaterials, Vol 12, Iss 7, p 1233 (2022)
The present paper presents one- and two-step approaches for electrochemical Pt and Ir deposition on a porous Ti-substrate to obtain a bifunctional oxygen electrode. Surface pre-treatment of the fiber-based Ti-substrate with oxalic acid provides an al
Externí odkaz:
https://doaj.org/article/27d3fb3ad09248e2b03b690513eaa1ec
Autor:
Roxana Muntean, Dragoș-Toader Pascal, Norbert Kazamer, Gabriela Mărginean, Viorel-Aurel Șerban
Publikováno v:
Materials, Vol 15, Iss 1, p 88 (2021)
The present study aimed to investigate the tribological behavior of high-temperature vacuum-brazed WC-Co-NiP functional coatings deposited on 16MnCr5 case hardening steel. Dry sliding wear resistance was evaluated using a non-conformal ball-on-disk a
Externí odkaz:
https://doaj.org/article/e7ab078d6ec3442d97a19175ab33de2b
Publikováno v:
Materials, Vol 14, Iss 20, p 6040 (2021)
Yttria stabilized zirconia (YSZ) thermal barrier coatings (TBCs) deposited on CoNiCrAlY oxidation protective bond coats are commonly required in temperature regimes up to 1200 °C (e.g., hot gas turbine regions) due to their superior thermal behavior
Externí odkaz:
https://doaj.org/article/3218df90a2134a01adf67d0c1358be5e
Autor:
Norbert Kazamer, Roxana Muntean, Petru Cristian Vălean, Dragoș Toader Pascal, Gabriela Mărginean, Viorel-Aurel Șerban
Publikováno v:
Materials, Vol 14, Iss 12, p 3293 (2021)
The present study investigates the possibility to apply a vacuum furnace thermal post-treatment as an alternative solution for flame sprayed NiCrBSi wear and corrosion-resistant coatings, deposited on a low alloyed structural steel. The controlled at
Externí odkaz:
https://doaj.org/article/8cec47e3b0254d879deff6de32c26d11
Autor:
Bogdan Adrian Militaru, Rodica Pode, Lavinia Lupa, Winfried Schmidt, Agnes Tekle-Röttering, Norbert Kazamer
Publikováno v:
Molecules, Vol 25, Iss 11, p 2559 (2020)
Incineration of sewage sludge produces every year huge amounts of sewage sludge ash. Due to its porosity and composition, sewage sludge ash can be used as an adsorbent for heavy metal ions removal. The present paper discusses the efficiency and feasi
Externí odkaz:
https://doaj.org/article/7492705e25c045a186e505122fc354bf
Publikováno v:
Advanced Technologies & Materials. 46:1-6
The corrosion behaviour of forged and SLM (Selective Laser Melting) processed 316L samples was investigated in a 3.5% NaCl solution at neutral and light acidic pH. The influence of the oxygen concentration in the testing solution on the corrosion res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::660da1c1c42cb24bd071a31c1543befa
https://doi.org/10.24867/atm-2021-1-001
https://doi.org/10.24867/atm-2021-1-001
Autor:
G. Marginean, Roxana Muntean, R.A. Soporan, Viorel Aurel Şerban, S. Ambrus, D. T. Pascal, Norbert Kazamer, A.I. Dume
Publikováno v:
Materials Today: Proceedings. 45:4356-4363
Compared to conventional manufacturing technologies, the main advantage of Additive Manufacturing consists in the possibility of fabricating parts with very complex shapes, that can be individually tailored. The main goal of the present study was to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cacdb9fb1f1ab222210f391aeefe1a5
https://doi.org/10.1016/j.matpr.2021.02.760
https://doi.org/10.1016/j.matpr.2021.02.760