Arc Erosion Properties of WCu Material Reinforced with Ti3SiC2 under Different Applied Voltages
Source abstract
Abstract
Introducing reinforcements is a crucial way to modify WCu electric contacts. Herein, the arc erosion performances of WCu/Ti3SiC2 under various direct current voltages are investigated. The eroded microstructures are observed by a 3D laser scanning confocal microscopy and a thermal field emission scanning electron microscope. Compositions of the eroded surfaces are analyzed by a Raman spectroscopy. With the elevated voltages, values of breakdown current, arc duration, arc energy, and arc discharge distance increase, while the breakdown strength decreases. Meanwhile, the eroded regions gradually change from circular shape to irregularly curved corrugations under the elevated voltages. Copper and Ti3SiC2 can disperse arc during arc discharge, and the liquid and gas generated by the two phases can make differences in protecting WCu/Ti3SiC2.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: MXene and MAX Phase Materials · Advanced materials and composites · Electrical Contact Performance and Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Chemistry and Materials Engineering Anhui Key Laboratory of Low Temperature Co-fired Materials Huainan Normal University Huainan 232038 P. R. China
School of Materials Science and Engineering Hefei University of Technology Hefei 230009 P. R. China
School of Material and Chemical Engineering Bengbu University Bengbu 233030 P. R. China
Funding
Natural Science Foundation of Anhui Province
References (29)
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