Sputter-ion plating of coatings for protection of gas-turbine blades against high-temperature oxidation and corrosion

Coad, J.P.; Restall, J.E.

doi:10.1179/030716982803286016

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1989

1999

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Cited by 5 publications

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“…The growth of films and coatings by means of molecular deposition and condensation upon substrates is one of the widespread methods of thin film and coating production [1][2][3][4]. Films deposited from vapour at low temperatures have a low packing density, being lower than the density of a bulk material by 5-15%, and, as a result, have poor properties.…”

Section: Introductionmentioning

confidence: 99%

Densification of growing coatings by ion beams

Bakaı̆¹,

Zhukov²,

Sleptsov³

1999

J. Phys.: Condens. Matter

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A theoretical model to describe the evolution of microstructure of thin films and densification by ion assistance is proposed. In the model kinetics of point defects, including their interaction with voids and with the growing film surface, is considered. To solve the set of equations a computer code was developed. Film densification by ion bombardment is investigated as a function of ion energy and the ratio of ion-to-vapour current densities. It is shown that there are optimal ion energy and ratio of ion-to-vapour fluxes for obtaining dense coating with high growth rate.

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Section: Introductionmentioning

confidence: 99%