Výsledky vyhledávání

Influence of Plasma Power and Oxygen-Containing Process Gases in Active Screen Plasma Nitrocarburizing with Carbon Solid Source*

Autor: J. Böcker, A. Puth, A. V. Pipa, J.-P. H. van Helden, J. Röpcke, H. Biermann, A. Dalke

Publikováno v: HTM Journal of Heat Treatment and Materials. 77:374-390

Plasma nitrocarburizing by means of active screen technology using an active screen made of carbon fiber-reinforced carbon was carried out by varying the power at the active screen and using oxygen-containing fresh gas components (O2, CO2) in the N2:

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f4de0a99ad73272423b520f841ebedf6
https://doi.org/10.1515/htm-2022-1026

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Effect of the admixture of N2to low pressure, low temperature H2-CH4-CO2microwave plasmas used for large area deposition of nanocrystalline diamond films

Autor: Alexander Puth, Guillaume Lombardi, J Röpcke, E. Bisceglia, P. W. P. Moreira, A. V. Pipa, Fabien Bénédic, J. H. van Helden, D. Dekkar

Publikováno v: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP

Made available in DSpace on 2020-12-12T01:37:09Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-11-04 In a distributed antenna array reactor, microwave H2-CH4-CO2 plasmas with admixture of N2 used for the low-temperature deposition of nanocrys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ee9f48c5aa1e00cd27e0dc8b690d356
https://doi.org/10.1088/1361-6463/aba7df

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Spectroscopic Investigations of Plasma Nitriding and Nitrocarburizing Processes Using an Active Screen: A Comparative Plasma Chemical Study of Two Reactor Types

Autor: J Röpcke, S. Hamann, K. Börner, I. Burlacov, H.-J. Spies

Publikováno v: Contributions to Plasma Physics. 55:689-700

Low-pressure pulsed DC N2-H2 plasmas with admixtures of CH4 were investigated in a comparative study in two different types of reactors, (i) a cylindrical industrial scale active screen plasma nitriding (ASPN) reactor and (ii) a laboratory scale plas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1cc92a54f2a45589a3ed9aabff4c745c
https://doi.org/10.1002/ctpp.201510019

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On the Reduction of Gas-Phase Naphthalene Using Char-Particles in a Packed-Bed Atmospheric Pressure Plasma

Autor: Ronny Brandenburg, M. Hübner, J. Röpcke, Y. Neubauer

Publikováno v: Contributions to Plasma Physics. 55:747-752

Fuel and synthesis gases generated by thermochemical gasification of renewable biomass resources and organic waste fractions are considered to be promising for recent and future energy demands. However, the presence of tar species in the gas mixture

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3f0edadced68a7bea673ec78e56dc08
https://doi.org/10.1002/ctpp.201510014

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In-situdiagnostics of hydrocarbon dusty plasmas using quantum cascade laser absorption spectroscopy and mass spectrometry

Autor: J Röpcke, Khaled Hassouni, L. Colina Delacqua, Karim Ouaras, Guillaume Lombardi, Maxime Wartel, M. Redolfi, Xavier Bonnin

Publikováno v: Journal of Plasma Physics
Journal of Plasma Physics, Cambridge University Press (CUP), 2014, pp.1-9. ⟨10.1017/S0022377814000361⟩

The formation of carbon nanoparticles in low pressure magnetized H2/CH4and H2/C2H2plasmas is investigated using infrared quantum cascade laser absorption, mass spectrometry, and electrostatic probe measurements. Results showed that dust formation is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bdf0419dd06849e172f18f308f2e2ec
https://doi.org/10.1017/s0022377814000361

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Sensitive CH

Autor: N, Lang, U, Macherius, M, Wiese, H, Zimmermann, J, Röpcke, J H, van Helden

Publikováno v: Optics express. 24(6)

We report on sensitive detection of atmospheric methane employing quantum cascade laser based optical feedback cavity-enhanced absorption spectroscopy (OF-CEAS). An instrument has been built utilizing a continuous-wave distributed feedback quantum ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::2562058a2c277bc2f2accfd7b08268a2
https://pubmed.ncbi.nlm.nih.gov/27136874

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Plasma nitriding monitoring reactor: A model reactor for studying plasma nitriding processes using an active screen

Autor: I. Burlacov, S. Strämke, H.-J. Spies, K. Börner, J Röpcke, S. Hamann, M. Strämke

Publikováno v: The Review of scientific instruments. 86(12)

A laboratory scale plasma nitriding monitoring reactor (PLANIMOR) has been designed to study the basics of active screen plasma nitriding (ASPN) processes. PLANIMOR consists of a tube reactor vessel, made of borosilicate glass, enabling optical emiss

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fdd136761341f6a84c3691f8a8af7ab
https://pubmed.ncbi.nlm.nih.gov/26724023

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