Results 1 to 10 of about 441 (98)
Facile Preparation of a Novel HfC Aerogel with Low Thermal Conductivity and Excellent Mechanical Properties [PDF]
Gels, 2023 Aerogels emerge as captivating contenders within the realm of high-temperature thermal resistance and thermal insulation. Nevertheless, their practical applications are usually constrained by their inherent brittleness when subjected to rigorous ...
Wei Wang +8 more
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The (Ta + Ti) to Hf concentration ratio in MC carbides as a novel indicator for predicting γ’ phase fraction in hafnium-containing superalloys [PDF]
Scientific ReportsThis paper presents a new indicator that enables accurate prediction of the γ′ phase fraction in hafnium-containing superalloys. This indicator is based on the concentration of alloying elements typical of MC carbides, i.e. tantalum, titanium and hafnium.
Bartosz Witala +7 more
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Fabrication of hafnium-based nanoparticles and nanostructures using picosecond laser ablation [PDF]
Beilstein Journal of NanotechnologyThis work presents a unique and straightforward method to synthesise hafnium oxide (HfO2) and hafnium carbide (HfC) nanoparticles (NPs) and to fabricate hafnium nanostructures (NSs) on a Hf surface.
Abhishek Das +9 more
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Hafnium Carbide: Prediction of Crystalline Structures and Investigation of Mechanical Properties
CrystalsHafnium carbide (HfC) is a refractory compound known for its exceptional mechanical, thermal, and electrical properties. This compound has gained significant attention in materials science and engineering due to its high melting point, extreme hardness ...
Jelena Zagorac +2 more
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Improving the efficiency of the cutting tool based on its modification [PDF]
E3S Web of Conferences, 2023 Currently, carbide cutting tools are mainly used for processing blanks of machine parts. Increasing the working life of carbide plates is one of the urgent tasks in mechanical engineering.
Romanov P.
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Morphology and topogtaphy of carbide phase after alloying with hafnium and tantalum the ZHS3DK-VI
Авіаційно-космічна техніка та технологія, 2022 This study describes the results of studying the effect of modification/micro alloying with hafnium and alloying with tantalum on the morphology and distribution of the carbide phase in the ZhS3DK-VI alloy microstructure. The carbide phase is an integral
Tetiana Tykhomyrova +3 more
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Авіаційно-космічна техніка та технологія, 2021 There are analyzed the melts of the ZhS3DK-VI alloy with different levels of strength characteristics and the factors influencing their reduction, differences in the macro and microstructure of the alloy, the effect of the crystallization rate when ...
Татьяна Владимировна Тихомирова +3 more
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Consolidation and Oxidation of Ultra Fine WC-Co-HfB2 Hard Materials by Spark Plasma Sintering [PDF]
Archives of Metallurgy and Materials, 2021 In this study, a novel composite was fabricated by adding the Hafnium diboride (HfB2) to conventional WC-Co cemented carbides to enhance the high-temperature properties while retaining the intrinsic high hardness.
Hyun-Kuk Park +4 more
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Crystals, 2022 Boron carbide shows high thermoelectric power. Therefore, it is an interesting material for thermoelectric applications. In the past, there were already successful uses of boron carbide as a thermocouple material together with graphite.
Bing Feng +2 more
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Advances in Materials Science and Engineering, 2021 In this work, a novel method for producing ultrafine tantalum and hafnium carbide fibers using the ForcespinningTM technique via a nonhalide-based sol-gel process was investigated.
Harold O. Lee +6 more
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