The influence on the plasma and the coating caused through a combination of steered arc and modified pulsed arc processes

Hettkamp, E.; Mecke, H.

doi:10.1016/j.surfcoat.2005.02.043

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…The base current avoided the extinction of the arc between two peaks. It was shown, that the modified pulsed arc evaporation reduces the risk of droplet formation compared to the random arc evaporation and enables a higher deposition rate and less droplets using large base current durations at a low current value and short peak current durations at high peak current compared to the DC arc evaporation [20,21,22]. In this work, the base current was I = 60 A for t = 1 s and the peak current was I = 100 A for t = 1 ms.…”

Section: Page 7 Of 40mentioning

confidence: 99%

CrN/AlN and CrN/AlN/Al2O3 coatings deposited by pulsed cathodic arc for aluminum die casting applications

Bobzin

Brögelmann

Brugnara

et al. 2015

Surface and Coatings Technology

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Section: Page 7 Of 40mentioning

confidence: 99%

CrN/AlN and CrN/AlN/Al2O3 coatings deposited by pulsed cathodic arc for aluminum die casting applications

Bobzin

Brögelmann

Brugnara

et al. 2015

Surface and Coatings Technology

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“…A magnetic field during the basic current phase is required to keep the spots on a defined trace and perform an accelerated movement. The diversion of the spots in the pulse current phase should however not be disturbed by a magnetic field 6. Therefore, the magnetic field is synchronised to the arc current only to be active in the base current phase.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Modified Pulsed Arc Process by Variable Magnetic Fields

Hettkamp

Lindemann

2007

Plasma Process. Polym.

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The modified pulsed arc process is characterised by two different process phases: the current pulses mainly determine process results while during the base current phase discharge is maintained. The utilisation of a variable magnetic field allows us to adapt field strength to the value of the arc current. The control of an external magnetic field during the process combination of steered arc and modified pulsed arc gives additional degrees of freedom. For example, it has been observed that the utilisation of a variable magnetic field synchronised with the arc current led to an increase of the deposition rate in comparison with a permanent magnetic field. The disadvantage of a reduced deposition rate when using permanent magnetic fields can be compensated by the synchronisation of the magnetic field with the pulsed arc current.

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