The effect of the morphology of carbon used as a sintering aid on the mechanical properties of silicon carbide

Mateusz Petrus , Jarosław Woźniak , Tomasz Cygan , Marek Kostecki , Andrzej Olszyna

Abstract

In the present research, mechanical properties of silicon carbide sintered with four carbon forms as a sintering aid were examined. As the source of carbon, the following substrates were used: multilayer graphene (MLG), carbon black, highly oriented pyrolytic graphite (HOPG) and synthetic graphite. The sinters were prepared with the use of powder metallurgy technique and consolidated at 1900 °C using the Spark Plasma Sintering (SPS) method. The influence of carbon form on mechanical properties, such as microhardness, hardness, fracture toughness, and elastic properties such as Young's modulus was investigated. Transmission electron microscope (TEM) analysis of the obtained sinters was also performed. Differences between mechanical properties were observed for samples with varied forms of carbon. An analysis of the obtained results shows that the form of carbon can determine the mechanical properties of silicon carbide and generate significant differences in hardness and fracture toughness despite the similarities in the microstructure.
Author Mateusz Petrus (FMSE / DSMP)
Mateusz Petrus,,
- Division of Ceramic Materials and Polymers
, Jarosław Woźniak (FMSE / DSMP)
Jarosław Woźniak,,
- Division of Ceramic Materials and Polymers
, Tomasz Cygan (FMSE / DSMP)
Tomasz Cygan,,
- Division of Ceramic Materials and Polymers
, Marek Kostecki (FMSE / DSMP)
Marek Kostecki,,
- Division of Ceramic Materials and Polymers
, Andrzej Olszyna (FMSE / DSMP)
Andrzej Olszyna,,
- Division of Ceramic Materials and Polymers
Journal seriesCeramics International, ISSN 0272-8842, (N/A 100 pkt)
Issue year2019
Vol45
No1
Pages1820-1824
Publication size in sheets0.5
Keywords in EnglishSintering, Mechanical properties, Carbides, Carbon
ASJC Classification1508 Process Chemistry and Technology; 2503 Ceramics and Composites; 2504 Electronic, Optical and Magnetic Materials; 2505 Materials Chemistry; 2508 Surfaces, Coatings and Films
DOIDOI:10.1016/j.ceramint.2018.10.069
URL https://www.scopus.com/inward/record.uri?eid=2-s2.0-85054703378&doi=10.1016%2fj.ceramint.2018.10.069&partnerID=40&md5=983a49916e6e39146692b9e912458f24
Languageen angielski
File
mat.pdf 1.58 MB
Score (nominal)100
Score sourcejournalList
ScoreMinisterial score = 100.0, 14-11-2019, ArticleFromJournal
Publication indicators WoS Citations = 1; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.279; WoS Impact Factor: 2018 = 3.45 (2) - 2018=3.187 (5)
Citation count*3 (2019-12-06)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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