Atmospheric pressure PECVD based on a linearly extended DC arc for adhesion promotion applications

Kotte, Liliana; Althues, Holger; Mäder, Gerrit; Roch, Julius; Kaskel, Stefan; Dani, Ines; Mertens, Tobias; Gammel, F.

doi:10.1016/j.surfcoat.2013.06.070

Cited by 7 publications

(10 citation statements)

References 9 publications

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“…The remote gas feeding system for SiO2 deposition film is made from anodized AlMgSi1. A detailed description of the plasma source and the remote gas feeding system is given in [3]. The thin SiO2 films on titanium alloys presented in this article are deposited using a 150-mm-LARGE plasma source and hexamethyldisiloxane (HMDSO) as precursor.…”

Section: Plasma Treatmentmentioning

confidence: 99%

Atmospheric Plasma Deposition of SiO2 Films for Adhesion Promoting Layers on Titanium

Kotte

Haag

Mertens

et al. 2014

Metals

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This paper evaluates the deposition of silica layers at atmospheric pressure as a pretreatment for the structural bonding of titanium (Ti6Al4V, Ti15V3Cr3Sn3Al) in comparison to an anodizing process (NaTESi process). The SiO2 film was deposited using the LARGE plasma source, a linearly extended DC arc plasma source and applying hexamethyldisiloxane (HMDSO) as a precursor. The morphology of the surface was analyzed by means of SEM, while the characterization of the chemical composition of deposited plasma layers was done by XPS and FTIR. The long-term durability of bonded samples was evaluated by means of a wedge test in hot/wet condition. The almost stoichiometric SiO2 film features a good long-term stability and a high bonding strength compared to the films produced with the wet-chemical NaTESi process.

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Section: Plasma Treatmentmentioning

confidence: 99%

Atmospheric Plasma Deposition of SiO2 Films for Adhesion Promoting Layers on Titanium

Kotte

Haag

Mertens

et al. 2014

Metals

Self Cite

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“…Currently wet chemical processes such as NaTESi, which are partially based on toxic and environmentally hazardous compounds, are used for the pre‐treatment of titanium. An alternative to these wet chemical methods is the deposition of silicone dioxide films using the LARGE plasma at AP when epoxy resin adhesives are used , …”

Section: Resultsmentioning

confidence: 99%

“…The developed plasma source (based on the LARGE) offers a scalable working width and operates with a range of plasma gases that flow perpendicular to the plasma axis. The basic principle of this technology is the same as to the conventional plasma (powder) spraying.…”

Section: Methodsmentioning

confidence: 99%

“…The shape of the arc is primarily determined by heat convection and, consequently, very unstable. Therefore, the arc is stabilized by three mechanisms . The first one is the stabilization by cooled copper walls enclosing the arc.…”

Section: Methodsmentioning

confidence: 99%

“…For the deposition of the adhesion layer, for example, a gaseous precursor is distributed via cascaded volumes to 10 afterglow plasma nozzles (see Figure and in ref. for a detailed description). For plasma spraying, a low‐melting powder is distributed via two nozzles into the afterglow plasma.…”

Section: Methodsmentioning

confidence: 99%

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Extended DC arc atmospheric pressure plasma source for large scale surface cleaning and functionalization

Kotte

Mäder

Roch

et al. 2018

Contributions to Plasma Physics

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Plasma technologies at atmospheric pressure (AP) promise efficient integration into industrial manufacturing technology and save considerable investment and maintenance costs. The development of new fields of application of AP techniques increasingly requires the provision of adapted, large‐area plasma sources. The linearly extended direct current (DC) arc plasma source, long arc generator principle (LARGE) for short, with a working width of up to 350 mm was developed at the Fraunhofer IWS for the large area plasma surface treatment. In contrast to other jet‐based AP sources arrays, the LARGE plasma source has a very long afterglow flame length, which makes it possible to efficiently treat surfaces over the range ±40 mm. Especially for large‐area plasma applications, commercial jet nozzle arrays are very complex to control and require more than one power generators which increases the equipment cost. In this paper we discuss selected application fields, namely the rapid (up to 50 m/min) removal of oil films on aluminium sheets, the large‐area functionalization (removal of release agents) of carbon‐fibre reinforced plastic (CFRP) materials, and the deposition of SiO2 adhesive layers on titanium to improve adhesion in the structural bonding of these materials.

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Atmospheric pressure plasma enhanced chemical vapor deposition of SiOx films for improved corrosion resistant properties of AZ31 magnesium alloys

Kuo

Chang

2015

Surface and Coatings Technology

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Atmospheric pressure PECVD based on a linearly extended DC arc for adhesion promotion applications

Cited by 7 publications

References 9 publications

Atmospheric Plasma Deposition of SiO2 Films for Adhesion Promoting Layers on Titanium

Atmospheric Plasma Deposition of SiO2 Films for Adhesion Promoting Layers on Titanium

Extended DC arc atmospheric pressure plasma source for large scale surface cleaning and functionalization

Atmospheric pressure plasma enhanced chemical vapor deposition of SiOx films for improved corrosion resistant properties of AZ31 magnesium alloys

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