Phase formation, thermal stability and mechanical properties of
Nb-B-C thin films prepared by magnetron sputtering using a
combinatorial approach

a 2021

Phase formation, thermal stability and mechanical properties of Nb-B-C thin films prepared by magnetron sputtering using a combinatorial approach

DEBNÁROVÁ, Stanislava, Pavel SOUČEK, Vilma BURŠÍKOVÁ, Stanislav MRÁZ, Marcus HANS et. al.

Základní údaje

Originální název

Phase formation, thermal stability and mechanical properties of Nb-B-C thin films prepared by magnetron sputtering using a combinatorial approach

Autoři

DEBNÁROVÁ, Stanislava (703 Slovensko, garant, domácí), Pavel SOUČEK (203 Česká republika, domácí), Vilma BURŠÍKOVÁ (203 Česká republika, domácí), Stanislav MRÁZ (703 Slovensko), Marcus HANS (276 Německo), Jochen M. SCHNEIDER (276 Německo), Damian HOLZAPFEL (276 Německo) a Petr VAŠINA (203 Česká republika)

Vydání

The International Conference on Metallurgical Coatings and Thin Films (ICMCTF 2021), 2021

Další údaje

Jazyk

angličtina

Typ výsledku

Konferenční abstrakt

Obor

20505 Composites

Stát vydavatele

Spojené státy

Utajení

není předmětem státního či obchodního tajemství

Kód RIV

RIV/00216224:14310/21:00119542

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

Nb-B-C; coatings; combinatorial magnetron sputtering; protective coatings; thermal stability; mechanical properties

Změněno: 10. 1. 2022 13:22, Mgr. Stanislava Debnárová, Ph.D.

Anotace

V originále

The performance and lifetime of a tool can be significantly improved by the use of an appropriate protective coating. The most commonly used materials for these applications are ceramic-based coatings, favoured due to their high hardness. However, these coatings are inherently brittle which enables the spreading of cracks and coating failure. Therefore, new materials are being explored, which would combine the hardness of ceramics with a degree of ductility. Ab-initio calculations have predicted that such a combination of properties could be present in a crystalline X2BC material where X is a transition metal such as Mo, Ti, V, Zr, Nb, Hf, Ta or W [1]. Out of this group, only crystalline Mo2BC has been successfully prepared and studied so far. There have been attempts to prepare a W2BC phase but these remain unsuccessful due to the near-zero enthalpy of formation of this material. However, these studies have shown that the X-B-C system exhibits interesting mechanical properties even in an amorphous state [2, 3]. This study focuses on the Nb-B-C system as Nb2BC is predicted to have a lower enthalpy of formation. The coatings have been prepared by magnetron sputtering from 3 targets using a combinatorial approach. A wide range of compositions has been studied and evaluated in regard to their structure and mechanical properties. As thermal and oxidation stability is a vital requirement for protective coatings, the studied coatings have been annealed up to 900°C in argon and up to 1000°C in an Ar/O2 gas mixture. The study examines the effect of annealing on the structure and mechanical properties of the coatings.

Návaznosti

GA19-03899S, projekt VaV

Název: Nanolaminátní vrstvy připravené magnetronovým naprašováním - perspektivní tvrdý materiál se zvýšenou lomovou houževnatostí

Investor: Grantová agentura ČR, Nanolaminátní vrstvy připravené magnetronovým naprašováním - perspektivní tvrdý materiál se zvýšenou lomovou houževnatostí

Citovat

DEBNÁROVÁ, Stanislava, Pavel SOUČEK, Vilma BURŠÍKOVÁ, Stanislav MRÁZ, Marcus HANS, Jochen M. SCHNEIDER, Damian HOLZAPFEL a Petr VAŠINA. Phase formation, thermal stability and mechanical properties of Nb-B-C thin films prepared by magnetron sputtering using a combinatorial approach. In The International Conference on Metallurgical Coatings and Thin Films (ICMCTF 2021). 2021.

@proceedings{1818657,
   author = {Debnárová, Stanislava and Souček, Pavel and Buršíková, Vilma and Mráz, Stanislav and Hans, Marcus and Schneider, Jochen M. and Holzapfel, Damian and Vašina, Petr},
   booktitle = {The International Conference on Metallurgical Coatings and Thin Films (ICMCTF 2021)},
   keywords = {Nb-B-C; coatings; combinatorial magnetron sputtering; protective coatings; thermal stability; mechanical properties},
   language = {eng},
   title = {Phase formation, thermal stability and mechanical properties of Nb-B-C thin films prepared by magnetron sputtering using a combinatorial approach},
   year = {2021}
}

TY  - CONF
ID  - 1818657
AU  - Debnárová, Stanislava - Souček, Pavel - Buršíková, Vilma - Mráz, Stanislav - Hans, Marcus - Schneider, Jochen M. - Holzapfel, Damian - Vašina, Petr
PY  - 2021
TI  - Phase formation, thermal stability and mechanical properties of Nb-B-C thin films prepared by magnetron sputtering using a combinatorial approach
KW  - Nb-B-C
KW  - coatings
KW  - combinatorial magnetron sputtering
KW  - protective coatings
KW  - thermal stability
KW  - mechanical properties
N2  - The performance and lifetime of a tool can be significantly improved by the use of an appropriate protective coating. The most commonly used materials for these applications are ceramic-based coatings, favoured due to their high hardness. However, these coatings are inherently brittle which enables the spreading of cracks and coating failure. Therefore, new materials are being explored, which would combine the hardness of ceramics with a degree of ductility. Ab-initio calculations have predicted that such a combination of properties could be present in a crystalline X2BC material where X is a transition metal such as Mo, Ti, V, Zr, Nb, Hf, Ta or W [1]. Out of this group, only crystalline Mo2BC has been successfully prepared and studied so far. There have been attempts to prepare a W2BC phase but these remain unsuccessful due to the near-zero enthalpy of formation of this material. However, these studies have shown that the X-B-C system exhibits interesting mechanical properties even in an amorphous state [2, 3]. This study focuses on the Nb-B-C system as Nb2BC is predicted to have a lower enthalpy of formation. The coatings have been prepared by magnetron sputtering from 3 targets using a combinatorial approach. A wide range of compositions has been studied and evaluated in regard to their structure and mechanical properties. As thermal and oxidation stability is a vital requirement for protective coatings, the studied coatings have been annealed up to 900°C in argon and up to 1000°C in an Ar/O2 gas mixture. The study examines the effect of annealing on the structure and mechanical properties of the coatings.
ER  -

DEBNÁROVÁ, Stanislava, Pavel SOUČEK, Vilma BURŠÍKOVÁ, Stanislav MRÁZ, Marcus HANS, Jochen M. SCHNEIDER, Damian HOLZAPFEL a Petr VAŠINA. Phase formation, thermal stability and mechanical properties of Nb-B-C thin films prepared by magnetron sputtering using a combinatorial approach. In \textit{The International Conference on Metallurgical Coatings and Thin Films (ICMCTF 2021)}. 2021.

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