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Ksenia E. Smetanina, Pavel V. Andreev, Evgeny A. Lantsev, Aleksey V. Nokhrin, Artem A. Murashov, Natalia V. Isaeva, Yury V. Blagoveshchensky, Maksim S. Boldin and Vladimir N. Chuvil?deev
The research results conducted on binderless tungsten carbide (WC) ceramics obtained by spark plasma sintering (SPS) of WC powders with different average particle sizes (95, 800, 3000 nm) are presented. Nonuniform distribution of crystalline phases and m...
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Do Nam Binh, Nguyen Thi Hoang Oanh and Nguyen Hoang Viet
In this paper, the influence of mechanical milling on the microstructural evolution and magnetic properties of Al82Fe14Ni4 alloys prepared by mechanical alloying is investigated. The elemental powder mixture was processed under argon gas at 250 rpm and 3...
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Holger Schwarz, Thomas Uhlig, Thomas Lindner, Thomas Lampke, Guntram Wagner and Thomas Seyller
We demonstrate the systematic hardness enhancement of the CoCrFeNi high-entropy alloy (HEA) by the addition of tungsten carbide (WC). Mixed thin films are fabricated by magnetron co-sputtering using a home-made spark plasma-sintered CoCrFeNi target and a...
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F Marais, H Potgieter, D J Whitefield
Pág. 1
Deursigtige polikristallyne magnesiumaluminaat-spinel is ?n potensiële kandidaat vir die vervanging van die saamgesmelte silikaglas wat in die deursigtige vensters van pantser voertuie en van ruimtevaartuie gebruik word. Hierdie materiaal is goedkoper as...
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Sergey N. Grigoriev, Marina A. Volosova, Sergey V. Fedorov, Anna A. Okunkova, Petr M. Pivkin, Pavel Y. Peretyagin and Artem Ershov
The study is devoted to the development and testing of technological principles for the manufacture of solid end mills from ceramics based on a powder composition of a-SiAlON, ß-SiAlON, and TiN additives, including spark plasma sintering powder compositi...
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Vladimir Paygin, Edgar Dvilis, Sergey Stepanov, Oleg Khasanov, Damir Valiev, Timofei Alishin, Maurizio Ferrari, Alessandro Chiasera, Vyacheslav Mali and Alexander Anisimov
The efficiency of using the collector pressing scheme in the Spark Plasma Sintering (SPS) process has been confirmed in improving the optical, physical, and mechanical properties of yttria-stabilized zirconia (YSZ) ceramics with an increased shape factor...
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Ki Wook Bae, Jeong Yun Hwang, Sang-il Kim, Hyung Mo Jeong, Sunuk Kim, Jae-Hong Lim, Hyun-Sik Kim and Kyu Hyoung Lee
Herein we report a significantly reduced lattice thermal conductivity of Sb-doped Hf0.35Zr0.35Ti0.3NiSn half-Heusler alloys with sub-micron grains (grain size of ~300 nm). Polycrystalline bulks of Hf0.35Zr0.35Ti0.3NiSn1-xSbx (x = 0.01, 0.02, 0.03) with a...
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Myunghwan Byun, Dongbae Kim, Kildong Sung, Jaehan Jung, Yo-Seung Song, Sangha Park and Injoon Son
In the present study, we have demonstrated a facile and robust way for the fabrication of Cu-graphite composites (CGCs) with spatially-aligned graphite layers. The graphite layers bonded to the copper matrix and the resulting composite structure were ent...
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Ambreen Nisar and Kantesh Balani
The refractory diborides (HfB2 and ZrB2) are considered as promising ultra-high temperature ceramic (UHTCs) where low damage tolerance limits their application for the thermal protection system in re-entry vehicles. In this regard, SiC and CNT have been ...
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