Influence of nano-mechanical evolution of Ti3AlC2 ceramic on the arc erosion resistance of Ag-based composite electrical contact material [PDF]
Journal of Advanced Ceramics, 2023 Al-containing MAX phase ceramic has demonstrated great potential in the field of high-performance low-voltage electrical contact material. Elucidating the anti-arc erosion mechanism of the MAX phase is crucial for further improving performance, but it is
Xuelian Wu +11 more
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Study on the erosion characteristics of copper‐carbon electrode pairs by DC air arc
High Voltage, 2021 As common electric contact materials, copper‐carbon electrode pairs are widely used in the field of electric contact such as in high‐speed railways, motor collector rings and grounding brushes.
Wenhan Xie +8 more
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Arc erosion resistance mechanism of Cf–Al2O3/Cu composites modified by carbon fibers
Journal of Materials Research and Technology, 2022 Cf–Al2O3/Cu composites were fabricated by introducing carbon fibers (Cfs) into Al2O3/Cu composite for further improvement of arc erosion resistance. The effect of Cf on the arc erosion behavior of the composites was discussed.
Chaofan Jia +5 more
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Preparation and arc erosion properties of Ag/Ti2SnC composites under electric arc discharging
Journal of Advanced Ceramics, 2019 New Ag/Ti2SnC (Ag/TSC) composites with uniform microstructure were prepared by powder metallurgy. The superior wettability between Ag and Ti2SnC was confirmed with a contact angle of 14°.
Jianxiang Ding +6 more
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AIP AdvancesHigh-voltage DC relays are widely used in electric vehicles. Due to the presence of capacitive elements in the circuit, a large inrush current occurs at the moment of power-on, resulting in arcing between the relay contacts.
Haitao Wang +5 more
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Materials & Design, 2019 The continuous network structure induced by carbon nanotubes (CNTs) was introduced to TiB2/Cu composites by electroless deposition, slurry dispersion and powder metallurgy to enhance arc erosion resistance.
Fei Long +6 more
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Arc Dynamics and Erosion Behavior of Pantograph-Catenary Contacts Under Controlled Humidity Levels [PDF]
SensorsIn response to the instability fluctuations and erosion characteristic changes in pantograph-catenary system (PCS) arcs induced by humidity variations in an open environment, a single-variable controlled experimental approach based on multi-source data ...
Bingquan Li +4 more
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Arc erosion characteristics of DC contactor contacts
电力工程技术, 2023 The arc is generated upon contact breaking-off resulting in surface erosion in the terminals and affecting the performance of electrical contact. As there is no natural zero crossing point in the DC power supply system, the erosion caused by arcs is ...
WANG Haitao, YANG Bo
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Study on the Properties of Ag-Nb2AlC Composite as an Electric Contact Material [PDF]
MoleculesAg-Nb2AlC composite materials with a Nb2AlC volume percentage ranging from 10% to 40% were prepared using the spark plasma sintering method. The composite with 10% Nb2AlC achieved a high density of 99.2%.
Xiaochen Huang +3 more
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Effect of laser remelting on the cavitation erosion behaviors of high-velocity arc-sprayed Fe-based amorphous coating in different medium [PDF]
Ultrasonics SonochemistryIn this study, high-velocity arc spraying (HVAS) technology was utilized to prepare Fe-based amorphous coating. Then, post-treatment of the coating was conducted using laser remelting (LR) technology to achieve metallurgic interfacial bonding at the ...
Ge Gao +4 more
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