Results 1 to 10 of about 254 (142)

Optimization on Tribological Behaviour of AA7075/Zirconium Boride Composites Using Taguchi Technique

Advances in Materials Science and Engineering, 2022
The impact of wear factors on composite materials is examined in this article. Stir casting was used to produce AA7075 alloys with varied nano-zirconium boride weight ratios. The dry sliding wear test was done utilizing pin-on-disc test equipment.
S. Krishna Mohan, R. Meenakshi Reddy, V. Kamalakar, Pranavan S, M. Amareswar, A. H. Seikh, M. H. Siddique, T. L. Kishore, Bhupender Singh   +8 more
doaj   +2 more sources

Formation features of composite electrochemical nickel and nanostructured zirconium boride coatings

Advanced Engineering Research, 2019
Introduction. The electrodeposition of composite electrochemical coatings from electrolyte-colloid nickel plating containing ultradisperse zirconium boride powder is studied. The work objectives are as follows: to study mechanical-and-physical properties
L. A. Degtyar, I. S. Ivanina, I. Yu. Zhukova   +2 more
doaj   +3 more sources

Characterisation and high temperature mechanical properties of zirconium boride-based materials

Journal of the European Ceramic Society, 2002
Two different ZrB2-based materials were produced by hot pressing: pure ZrB2 and ZrB2+4wt.% Ni. The relative densities of the two materials were 86.5 and 98.0%, respectively. Several physical and mechanical properties were measured in ambient air. From these data it appears that the porosity of 13.5% of pure ZrB2 strongly affects the properties. However
A Domı́Nguez-Rodrı́Guez, Frédéric Monteverde, C Melandri   +2 more
exaly   +5 more sources

Nuclear-optical converters for detecting intense neutron [PDF]

Nuclear Energy and Technology, 2022
In the design of nuclear-optical converters (NOC) for detecting intense neutron fields (fluxes over 1015 cm–2·s–1), it is proposed to use hybrid gas ionization chambers (IC), in which electrical and optical neutron detecting methods are combined.
Pyotr B. Baskov, Gleb V. Marichev, Vyacheslav V. Sakharov, Vladimir A. Stepanov   +3 more
doaj   +3 more sources

Creep deformation behavior during densification of ZrB2-SiBCN ceramics with ZrO2 additive

Journal of Advanced Ceramics, 2020
ZrB2-SiBCN ceramics with ZrO2 additive are hot-pressed under a constant applied pressure. The densification behavior of the composites is studied in a view of creep deformation by means of the Bernard-Granger and Guizard model.
Bo Feng, Zhenhang Wang, Yunhao Fan, Jinghua Gu, Yue Zhang   +4 more
doaj   +1 more source

Zirconium alloyed tungsten borides synthesized by spark plasma sintering [PDF]

Archives of Civil and Mechanical Engineering, 2021
Abstract Tungsten borides (WB x ; x = 2.5 or 4.5) with an increasing substitution of tungsten by zirconium from 0 to 24 at.% were synthesized by spark plasma sintering (SPS) for the first time. The influence of the holding time (2.5–30 min) on the densification behavior, microstructure evolution and development of ...
Dariusz Garbiec, Maria Wiśniewska, Rafał Psiuk, Piotr Denis, Neonila Levintant-Zayonts, Volf Leshchynsky, Rafał Rubach, Tomasz Mościcki   +7 more
openaire   +1 more source

Study on ZrB₂-Based Ceramics Reinforced with SiC Fibers or Whiskers Machined by Micro-Electrical Discharge Machining

Micromachines, 2020
The effects of different reinforcement shapes on stability and repeatability of micro electrical discharge machining were experimentally investigated for ultra-high-temperature ceramics based on zirconium diboride (ZrB2) doped by SiC.
Mariangela Quarto, Giuliano Bissacco, Gianluca D’Urso   +2 more
doaj   +1 more source

Plasma-transferred arc-welded composite hardfacings with ZrB2 and TiC reinforcements [PDF]

Proceedings of the Estonian Academy of Sciences
The traditional approach to prolonging the lifetime of wear parts is to use wear-resistant materials. One such material is hardfacing, which, in addition to its primary function, contributes to sustainability objectives by preventing the failure of wear ...
Liudmyla Melakh, Andrei Surzhenkov, Kristjan Juhani, Mart Viljus, Rainer Traksmaa, Dmytro Vedel   +5 more
doaj   +1 more source

Wear behaviour of Al 261

Alexandria Engineering Journal, 2016
Al 2618 matrix material was mixed with the Silicon Nitride (Si3N4), Aluminium Nitride (AlN) and Zirconium Boride (ZrB2) reinforced particles. AMC was synthesized successfully by the stir casting method with the various X-wt.% of reinforcements (X = 0,2,4,
N. Mathan Kumar, S. Senthil Kumaran, L.A. Kumaraswamidhas   +2 more
doaj   +1 more source

Characterization and tribological analysis on AA 6061 reinforced with AlN and ZrB2 in situ composites

Journal of Materials Research and Technology, 2019
This research paper deals with AA 6061 composite material with various amounts of weight percentage (wt%) of reinforcements of aluminium nitride (AlN) and zirconium boride (ZrB2).
N. Mathan Kumar, Lakshmi Annamalai Kumaraswamidhas   +1 more
doaj   +1 more source