Recent advances in large railgun structures and materials technology

Rosenwasser, S.N.

doi:10.1109/20.101074

Cited by 18 publications

(1 citation statement)

References 6 publications

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“…After 70 shots in plasma armature launchers operating at the 500 kA/cm liner rail current densities, weight loss per shot of the Mo coating rails was only one fiftieth of that of bare Cu rails [17]. Some microcracks were found on the surface of Mo coating rails, while porous structure of molten layer was found on surface of bare Cu rails.…”

Section: The Arc Erosion Of Copper Alloys During Electromagnetic Launmentioning

confidence: 85%

Development of Transient Damage Behaviors of Copper Alloys under High Velocity Sliding Electrical Contact

Zhang¹,

Guo²,

Huang³

et al. 2016

Proceedings of the 4th 2016 International Conference on Material Science and Engineering (ICMSE 2016)

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The transient damage problems of copper alloys are the central topic for improving the accuracy and lifetime of electromagnetic launcher. The research works on transient damage behaviors of copper alloys under high-speed sliding electrical contact during the past two decades were summarized in this paper and some suggestions for future research were presented. Firstly the three damage forms of copper alloys under high-velocity sliding electrical contact were introduced, respectively. Then the main technical methods that can solve the damage problems of copper alloys were presented. Finally some proposals for further study on transient damage behavior of copper alloys under sliding electrical contact were put forward.

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Section: The Arc Erosion Of Copper Alloys During Electromagnetic Launmentioning

confidence: 85%