High current impulse system
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A specially developed high-current pulse system enables metallic samples to be treated with electrical current pulses while they are being formed. By introducing pulses with a current strength of up to 10 kA, material softening can be observed, which facilitates the forming of metallic materials. The high-current pulse system is adapted to existing testing machines. This allows flow curves to be recorded and softening processes to be evaluated.
A specially developed high-current pulse system enables metallic samples to be treated with electrical current pulses while they are being formed. By introducing pulses with a current strength of up to 10 kA, material softening can be observed, which facilitates the forming of metallic materials. The high-current pulse system is adapted to existing testing machines. This allows flow curves to be recorded and softening processes to be evaluated.
Technical facilities
- Battery made of thin-film capacitors (260 F, max. 94.5 V) with charge indicator
- High-performance MOSFET switch (100 x 600 A, 100 V)
- Current strength max. 10 kA for durations from 0.1 ms to 10 ms
- Pulse generator with a max. resolution between 10 µs and 10 s
- Measurement of the pulse curve using high-frequency coaxial shunt AmpFlex® A110
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30823 Garbsen
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