Sustainable microwave processing and surface characterization of powdered tungsten reinforced copper metal matrix (Cu-Wx) castings

Kaushal, Sarbjeet; Singh, Satnam; Bohra, Sourabh; Gupta, Dheeraj; Jain, Vivek; Kapoor, Monit

doi:10.1016/j.rsurfi.2024.100249

Results in Surfaces and Interfaces

2024

DOI: 10.1016/j.rsurfi.2024.100249

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Sustainable microwave processing and surface characterization of powdered tungsten reinforced copper metal matrix (Cu-Wx) castings

Sarbjeet Kaushal,

Satnam Singh,

Sourabh Bohra

et al.

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Cited by 2 publications

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Failure Behavior of Steel-Polymer-Steel Multi-Material Clad: Mechanical Performance and Microstructure Evolution

Toor,

Kwon,

Kim

et al. 2024

Met. Mater. Int.

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Failure Behavior of Steel-Polymer-Steel Multi-Material Clad: Mechanical Performance and Microstructure Evolution

Toor,

Kwon,

Kim

et al. 2024

Met. Mater. Int.

View full text Add to dashboard Cite

Microwave Hybrid Sintering and Soldering of Cu-Cr-W Composite Material for Reactive Power Breakers

Savu,

Ghelsingher,

Ștefan

et al. 2024

Materials

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Over 60% of reported failures for reactive power compensation systems are given for damage to electrical circuit breaker contacts. This paper presents a study on the development of microwave technology for sintering of W–Cu–Cr alloys at 1012 °C for 65 min using 623.38 W microwave power, as well as microwave joining at 231 °C of the W–Cu–Cr composite material on body contact using 475 W microwave power for 55 s. The joined components were subjected to mechanical and electrical tests in accordance with ICE standards to validate the applied technology. Tests of connection–disconnection of the electrical contacts were carried out in accordance with the maximum number of disconnections allowed by the manufacturer (2 cycles/min): 25 s rest time and 5 s operating time under load. The components of the electrical contact after 111237 switches were analyzed under a microscope revealing a reduction of the damaged area by 27% compared with the original contact.

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Sustainable microwave processing and surface characterization of powdered tungsten reinforced copper metal matrix (Cu-Wx) castings

Cited by 2 publications

References 34 publications

Failure Behavior of Steel-Polymer-Steel Multi-Material Clad: Mechanical Performance and Microstructure Evolution

Failure Behavior of Steel-Polymer-Steel Multi-Material Clad: Mechanical Performance and Microstructure Evolution

Microwave Hybrid Sintering and Soldering of Cu-Cr-W Composite Material for Reactive Power Breakers

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