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Plasma nitriding Ti-6Al-4V with the aid non-transmitted plasma-arc using different protection atmosphere

Publikation: Beitrag in FachzeitschriftKonferenzaufsatz in FachzeitschriftForschung

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  • St. Petersburg State Polytechnical University

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OriginalspracheEnglisch
Seiten (von - bis)694-699
Seitenumfang6
FachzeitschriftMaterials Today: Proceedings
Jahrgang30
Ausgabenummer3
Frühes Online-Datum24 Feb. 2020
PublikationsstatusVeröffentlicht - 2020

Abstract

Investigations on the atmospheric plasma nitriding of Ti-6Al-4V are presented. Different operating parameters were varied, e.g. nitriding time, sample temperature and plasma gas composition. The plasma process was realized by a protective argon gas flow as well as by the operation in an argon glove box to investigate the influence of the residual oxygen on the sample surface. The nitride layers were characterized by X-ray diffraction and scanning electron microscopy. Also microhardness measurements were performed on cross sections. The results show that the nitriding success strongly depends on the residual oxygen concentration in the process environment. The use of argon as a local protective gas in the process leads to a reduction of this involuntary oxidation, whereby the quality of the protective gas coverage correlates directly with the quality of the nitride layer formation. A surface hardening of more than 400% compared to the base material could be achieved.

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Plasma nitriding Ti-6Al-4V with the aid non-transmitted plasma-arc using different protection atmosphere. / Gushchina, Marina; Carstensen, Torben; Maier, Hans Jürgen et al.
in: Materials Today: Proceedings, Jahrgang 30, Nr. 3, 2020, S. 694-699.

Publikation: Beitrag in FachzeitschriftKonferenzaufsatz in FachzeitschriftForschung

Gushchina M, Carstensen T, Maier HJ, Hassel T. Plasma nitriding Ti-6Al-4V with the aid non-transmitted plasma-arc using different protection atmosphere. Materials Today: Proceedings. 2020;30(3):694-699. Epub 2020 Feb 24. doi: 10.1016/j.matpr.2020.01.524
Gushchina, Marina ; Carstensen, Torben ; Maier, Hans Jürgen et al. / Plasma nitriding Ti-6Al-4V with the aid non-transmitted plasma-arc using different protection atmosphere. in: Materials Today: Proceedings. 2020 ; Jahrgang 30, Nr. 3. S. 694-699.
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title = "Plasma nitriding Ti-6Al-4V with the aid non-transmitted plasma-arc using different protection atmosphere",
abstract = "Investigations on the atmospheric plasma nitriding of Ti-6Al-4V are presented. Different operating parameters were varied, e.g. nitriding time, sample temperature and plasma gas composition. The plasma process was realized by a protective argon gas flow as well as by the operation in an argon glove box to investigate the influence of the residual oxygen on the sample surface. The nitride layers were characterized by X-ray diffraction and scanning electron microscopy. Also microhardness measurements were performed on cross sections. The results show that the nitriding success strongly depends on the residual oxygen concentration in the process environment. The use of argon as a local protective gas in the process leads to a reduction of this involuntary oxidation, whereby the quality of the protective gas coverage correlates directly with the quality of the nitride layer formation. A surface hardening of more than 400% compared to the base material could be achieved.",
keywords = "Nitride layers, Non-transmitted plasma arc, Plasma arc nitriding, Surface modification, Ti-6Al-4V, Titanium alloys",
author = "Marina Gushchina and Torben Carstensen and Maier, {Hans J{\"u}rgen} and Thomas Hassel",
note = "Funding information: The results presented in this paper were obtained within the Collaborative Research Centre (CRC) 871 {\textquoteleft}{\textquoteleft}Regeneration of Complex Capital Goods{\textquoteright}{\textquoteright} in the subproject B6 (project number: 119193472). The authors thank the German Research Foundation (DFG) for the financial and organizational support of this project, especially for the opportunities to promote the international exchange of guest researchers.",
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Download

TY - JOUR

T1 - Plasma nitriding Ti-6Al-4V with the aid non-transmitted plasma-arc using different protection atmosphere

AU - Gushchina, Marina

AU - Carstensen, Torben

AU - Maier, Hans Jürgen

AU - Hassel, Thomas

N1 - Funding information: The results presented in this paper were obtained within the Collaborative Research Centre (CRC) 871 ‘‘Regeneration of Complex Capital Goods’’ in the subproject B6 (project number: 119193472). The authors thank the German Research Foundation (DFG) for the financial and organizational support of this project, especially for the opportunities to promote the international exchange of guest researchers.

PY - 2020

Y1 - 2020

N2 - Investigations on the atmospheric plasma nitriding of Ti-6Al-4V are presented. Different operating parameters were varied, e.g. nitriding time, sample temperature and plasma gas composition. The plasma process was realized by a protective argon gas flow as well as by the operation in an argon glove box to investigate the influence of the residual oxygen on the sample surface. The nitride layers were characterized by X-ray diffraction and scanning electron microscopy. Also microhardness measurements were performed on cross sections. The results show that the nitriding success strongly depends on the residual oxygen concentration in the process environment. The use of argon as a local protective gas in the process leads to a reduction of this involuntary oxidation, whereby the quality of the protective gas coverage correlates directly with the quality of the nitride layer formation. A surface hardening of more than 400% compared to the base material could be achieved.

AB - Investigations on the atmospheric plasma nitriding of Ti-6Al-4V are presented. Different operating parameters were varied, e.g. nitriding time, sample temperature and plasma gas composition. The plasma process was realized by a protective argon gas flow as well as by the operation in an argon glove box to investigate the influence of the residual oxygen on the sample surface. The nitride layers were characterized by X-ray diffraction and scanning electron microscopy. Also microhardness measurements were performed on cross sections. The results show that the nitriding success strongly depends on the residual oxygen concentration in the process environment. The use of argon as a local protective gas in the process leads to a reduction of this involuntary oxidation, whereby the quality of the protective gas coverage correlates directly with the quality of the nitride layer formation. A surface hardening of more than 400% compared to the base material could be achieved.

KW - Nitride layers

KW - Non-transmitted plasma arc

KW - Plasma arc nitriding

KW - Surface modification

KW - Ti-6Al-4V

KW - Titanium alloys

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U2 - 10.1016/j.matpr.2020.01.524

DO - 10.1016/j.matpr.2020.01.524

M3 - Conference article

VL - 30

SP - 694

EP - 699

JO - Materials Today: Proceedings

JF - Materials Today: Proceedings

SN - 2214-7853

IS - 3

ER -

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