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Basic Study of Adhesion of Several Alumina‐based Washcoats Deposited on Stainless Steel Microchannels
Author(s) -
Zapf R.,
Kolb G.,
Pennemann H.,
Hessel V.
Publication year - 2006
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.200600204
Subject(s) - adhesion , materials science , metallurgy , drop (telecommunication) , chemical engineering , composite material , mechanical engineering , engineering
The adhesion of several washcoats deposited on stainless steel microchannels was investigated by performing a mechanical test (drop test) after application‐oriented tests, temperature cycling, and water exposure. For this study alumina washcoats (γ‐Al 2 O 3 ) and washcoats of commercially available alumina‐based catalyst powders (Pt/Al 2 O 3 , Rh/Al 2 O 3 ) were used. The deposited washcoats showed very good adhesion not only for fresh samples but also after the application‐oriented tests.

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