Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Anke Dalke"'
Publikováno v:
Engineering Reports, Vol 4, Iss 7-8, Pp n/a-n/a (2022)
Abstract The dry sliding wear behavior of AISI D2 tool steel is investigated under different heat treatment states in hardened, plasma nitrided, and duplex layer conditions. Plasma nitriding (PN) is performed at 510–520°C with varying N2‐H2 gas
Externí odkaz:
https://doaj.org/article/35f9df2721e74facb12f12ea7b7eff31
Publikováno v:
Engineering Reports, Vol 4, Iss 7-8, Pp n/a-n/a (2022)
Abstract Cr‐Al‐Ti‐B‐N hard coating is deposited onto the AISI D2 cold‐worked tool steel by means of a hybrid physical vapor deposition (PVD) technique. The effect of plasma nitriding pre‐treatment on the tribocorrosion behavior of the har
Externí odkaz:
https://doaj.org/article/131604f803d7492b8a9f8c86f1d112aa
Autor:
Anke Dalke, Tom Weinhold, Alexander Schramm, Christina Wüstefeld, Ulrike Ratayski, Vjaceslav Sochora, Horst Biermann, David Rafaja
Publikováno v:
Engineering Reports, Vol 4, Iss 7-8, Pp n/a-n/a (2022)
Abstract A duplex treatment consisting of plasma nitriding (PN) and physical vapor deposition (PVD) significantly improves the thermal, tribological, and corrosion resistance of forming tools, and especially if they are intended for applications subj
Externí odkaz:
https://doaj.org/article/1dca62f55c864630869775eb9aa612bc
Autor:
Ulrike Ratayski, Christian Schimpf, Christina Wüstefeld, Anke Dalke, Horst Biermann, David Rafaja
Publikováno v:
Engineering Reports, Vol 4, Iss 7-8, Pp n/a-n/a (2022)
Abstract The stability of an iron nitride compound layer prepared by plasma nitriding of AISI D2 tool steel is investigated using in situ high‐temperature X‐ray diffraction at rising temperature up to 470°C and for an isothermal treatment at 450
Externí odkaz:
https://doaj.org/article/615a9801065840b2826d6f3b62ca02e0
Autor:
Saeed M. Jafarpour, Alexander Puth, Anke Dalke, Jan Böcker, AndreiV. Pipa, Jürgen Röpcke, Jean-Pierre H. van Helden, Horst Biermann
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 9195-9205 (2020)
Low temperature plasma nitrocarburizing processes are widely used surface treatment techniques to improve the surface hardness and wear resistance of stainless steels without loss of their excellent corrosion resistance. In the present study, plasma
Externí odkaz:
https://doaj.org/article/b572a2c6d68f412ab086cc760e9fc477
Publikováno v:
Metals, Vol 12, Iss 4, p 649 (2022)
The intermetallic alloy FeAl40 was plasma nitrided at 575 ∘C for 4 h while varying the N2–H2 gas mixture with nitrogen contents fN2 between 0.1 and 0.9. The effect of the gas mixture on the resulting structure of the nitrided FeAl40 and the assoc
Externí odkaz:
https://doaj.org/article/c0c2620406444cc8a82eadbb2a4c153a
Autor:
Jan Böcker, Anke Dalke, Alexander Puth, Christian Schimpf, Jürgen Röpcke, Jean-Pierre H. van Helden, Horst Biermann
Publikováno v:
Applied Sciences, Vol 11, Iss 21, p 9918 (2021)
The effect of a controlled oxygen admixture to a plasma nitrocarburizing process using active screen technology and an active screen made of carbon was investigated to control the carburizing potential within the plasma-assisted process. Laser absorp
Externí odkaz:
https://doaj.org/article/699bf55818fa43778266e4a0b4fead19
Autor:
Saeed M. Jafarpour, Andrei V. Pipa, Alexander Puth, Anke Dalke, Jürgen Röpcke, Jean-Pierre H. van Helden, Horst Biermann
Publikováno v:
Metals, Vol 11, Iss 9, p 1411 (2021)
Low-temperature plasma nitrocarburizing treatments are applied to improve the surface properties of austenitic stainless steels by forming an expanded austenite layer without impairing the excellent corrosion resistance of the steel. Here, low-temper
Externí odkaz:
https://doaj.org/article/11f7ae7860574be08363f8f2a1447aaa
Autor:
Biermann, Saeed M. Jafarpour, Andrei V. Pipa, Alexander Puth, Anke Dalke, Jürgen Röpcke, Jean-Pierre H. van Helden, Horst
Publikováno v:
Coatings; Volume 13; Issue 6; Pages: 1103
Recent technological development of utilizing an active screen made of solid carbon for plasma-assisted thermochemical diffusion treatments opens up new possibilities for control over the in situ generated treatment environment to guarantee reproduci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::e8cf8fa9c4d7b821ed8c60d3eb51aa29
Publikováno v:
Metallurgical and Materials Transactions B. 52:414-424
This paper investigates the effect of nitriding potential under well-defined gas nitriding conditions on the formation and growth of a compound layer called “white layer” on a FeAl40 (with the composition of 40 at. pct Al) iron aluminide alloy. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b91721a7fcda6c4ba9ac85ea3e313663
https://doi.org/10.1007/s11663-020-02029-x
https://doi.org/10.1007/s11663-020-02029-x