Slip and process for producing an oxidation- and corrosion-resistant diffusion layer
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United States of America Patent
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Jun 11, 2019
Grant Date -
May 5, 2016
app pub date -
Oct 19, 2015
filing date -
Oct 29, 2014
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Abstract
The present invention relates to a process for producing a diffusion layer for protecting temperature-stressed components, in particular of turbomachines, against oxidation and corrosion. The process comprises application of at least one slip to a component surface on which the diffusion layer is to be produced, and drying and/or hardening of the at least one slip by a heat treatment at a first temperature and diffusion heat treatment at a second temperature. The slip comprises Al-containing powder, Si-containing powder and a binder and also a Cr-containing powder which does not comprise any hexavalent chromium. In addition, the invention provides a corresponding slip.
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