On the study of the mechanical properties of Mo-B-C coatings

J 2016

On the study of the mechanical properties of Mo-B-C coatings

ZÁBRANSKÝ, Lukáš, Vilma BURŠÍKOVÁ, Pavel SOUČEK, Petr VAŠINA, Jiří BURŠÍK et. al.

Basic information

Original name

On the study of the mechanical properties of Mo-B-C coatings

Authors

ZÁBRANSKÝ, Lukáš (203 Czech Republic, belonging to the institution), Vilma BURŠÍKOVÁ (203 Czech Republic, guarantor, belonging to the institution), Pavel SOUČEK (203 Czech Republic, belonging to the institution), Petr VAŠINA (203 Czech Republic, belonging to the institution) and Jiří BURŠÍK (203 Czech Republic)

Edition

The European Physical Journal - Applied Physics, EDP Sciences, 2016, 1286-0042

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10305 Fluids and plasma physics

Country of publisher

France

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 0.684

RIV identification code

RIV/00216224:14310/16:00088083

Organization unit

Faculty of Science

DOI

http://dx.doi.org/10.1051/epjap/2016150591

UT WoS

000380828500016

Keywords in English

Mo2BC coatings; hardness; fracture resistance

Abstract

V originále

Mo2BC thin films show a favourable combination of high stiffness, hardness and elastic modulus together with moderate ductility. In this study we focused on the comparison of mechanical properties of Mo-B-C thin films with different structures (nanocrystalline or amorphous). The thin films were deposited on steel, hard metal and silicon substrates using DC magnetron sputtering. The mechanical properties of Mo-B-C films were studied using indentation techniques under both quasistatic and dynamic conditions using a wide range of loads from 50 mikroN up to 1 N. The results showed that even amorphous Mo-B-C thin films had high hardness of 19.5±0.5 GPa and elastic modulus of 276±5 GPa. Their hardness is comparable with the common amorphous diamond-like carbon coatings. Moreover, their fracture toughness is significantly higher. The results of mechanical tests were correlated with microstructure observations carried out using scanning and transmission electron microscopy. The images of the deformed area under the residual indentation imprints showed no cracking even after high loads or after indentation with sharp cube corner indenter.

Links

ED2.1.00/03.0086, research and development project

Name: Regionální VaV centrum pro nízkonákladové plazmové a nanotechnologické povrchové úpravy

GA15-17875S, research and development project

Name: Lokální mikrostrukturní změny vyvolané statickou a dynamickou indentací nanostrukturovaných a nanolaminovaných povlaků

Investor: Czech Science Foundation

LO1411, research and development project

Name: Rozvoj centra pro nízkonákladové plazmové a nanotechnologické povrchové úpravy (Acronym: CEPLANT plus)

Investor: Ministry of Education, Youth and Sports of the CR

Citovat

ZÁBRANSKÝ, Lukáš, Vilma BURŠÍKOVÁ, Pavel SOUČEK, Petr VAŠINA and Jiří BURŠÍK. On the study of the mechanical properties of Mo-B-C coatings. The European Physical Journal - Applied Physics. EDP Sciences, 2016, vol. 75, No 2, p. "nestrankovano", 7 pp. ISSN 1286-0042. Available from: https://dx.doi.org/10.1051/epjap/2016150591.

@article{1351804,
   author = {Zábranský, Lukáš and Buršíková, Vilma and Souček, Pavel and Vašina, Petr and Buršík, Jiří},
   article_number = {2},
   doi = {http://dx.doi.org/10.1051/epjap/2016150591},
   keywords = {Mo2BC coatings; hardness; fracture resistance},
   language = {eng},
   issn = {1286-0042},
   journal = {The European Physical Journal - Applied Physics},
   title = {On the study of the mechanical properties of Mo-B-C coatings},
   volume = {75},
   year = {2016}
}

TY  - JOUR
ID  - 1351804
AU  - Zábranský, Lukáš - Buršíková, Vilma - Souček, Pavel - Vašina, Petr - Buršík, Jiří
PY  - 2016
TI  - On the study of the mechanical properties of Mo-B-C coatings
JF  - The European Physical Journal - Applied Physics
VL  - 75
IS  - 2
SP  - "nestrankovano"
EP  - "nestrankovano"
PB  - EDP Sciences
SN  - 12860042
KW  - Mo2BC coatings
KW  - hardness
KW  - fracture resistance
N2  - Mo2BC thin films show a favourable combination of high stiffness, hardness and elastic modulus together with moderate ductility. In this study we focused on the comparison of mechanical properties of Mo-B-C thin films with different structures (nanocrystalline or amorphous). The thin films were deposited on steel, hard metal and silicon substrates using DC magnetron sputtering. The mechanical properties of Mo-B-C films were studied using indentation techniques under both quasistatic and dynamic conditions using a wide range of loads from 50 mikroN up to 1 N. The results showed that even amorphous Mo-B-C thin films had high hardness of 19.5±0.5 GPa and elastic modulus of 276±5 GPa. Their hardness is comparable with the common amorphous diamond-like carbon coatings. Moreover, their fracture toughness is significantly higher. The results of mechanical tests were correlated with microstructure observations carried out using scanning and transmission electron microscopy. The images of the deformed area under the residual indentation imprints showed no cracking even after high loads or after indentation with sharp cube corner indenter.
ER  -

ZÁBRANSKÝ, Lukáš, Vilma BURŠÍKOVÁ, Pavel SOUČEK, Petr VAŠINA and Jiří BURŠÍK. On the study of the mechanical properties of Mo-B-C coatings. \textit{The European Physical Journal - Applied Physics}. EDP Sciences, 2016, vol.~75, No~2, p.~''nestrankovano'', 7 pp. ISSN~1286-0042. Available from: https://dx.doi.org/10.1051/epjap/2016150591.

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