Spark Plasma Sintering and Characterization of B4C-ZrB2 Composites

Leyla Yanmaz, Filiz Cinar Sahin*

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Özet

Boron carbide (B4C) is widely used in nuclear reactors, wear-resistant components, abrasive materials, and lightweight armors because of its outstanding properties such as high melting point, low density, high hardness, high neutron absorption capability, and good wear resistance. However, high temperatures and long sintering times are required to obtain dense structures via conventional pressure-assisted sintering methods and it has low fracture toughness which limits its applications. Therefore, addition of an appropriate second phase and novel methods such as spark plasma sintering (SPS) emerges in the latest studies to overcome the limitations of B4C. Zirconium diboride (ZrB2) is a candidate material to promote boron carbide’s consolidation and achieve good mechanical properties. In this study, B4C-ZrB2 composites in square geometry with varying amounts of ZrB2 (0–15 vol. %) were prepared by SPS. The effects of ZrB2 addition on the densification, hardness, and fracture toughness were investigated.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıTMS 2023 152nd Annual Meeting and Exhibition Supplemental Proceedings -
YayınlayanSpringer Science and Business Media Deutschland GmbH
Sayfalar1171-1173
Sayfa sayısı3
ISBN (Basılı)9783031225239
DOI'lar
Yayın durumuYayınlandı - 2023
Etkinlik152nd Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2023 - San Diego, United States
Süre: 19 Mar 202323 Mar 2023

Yayın serisi

AdıMinerals, Metals and Materials Series
ISSN (Basılı)2367-1181
ISSN (Elektronik)2367-1696

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???event.eventtypes.event.conference???152nd Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2023
Ülke/BölgeUnited States
ŞehirSan Diego
Periyot19/03/2323/03/23

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Publisher Copyright:
© 2023, The Minerals, Metals & Materials Society.

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