Mechanical stability of monolithic catalysts: Improving washcoat adhesion by FeCrAl alloy substrate treatment

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Mechanical stability of monolithic catalysts: Improving washcoat adhesion by FeCrAl alloy substrate treatment. / Wu, D.; Zhang, Y.; Li, Y.

In: JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, Vol. 56, 2017, p. 175-184.

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@article{a1c06e4c489b46eda7739fdc3c28a54f,
title = "Mechanical stability of monolithic catalysts: Improving washcoat adhesion by FeCrAl alloy substrate treatment",
abstract = "Alumina-washcoated FeCrAl alloy sheets are prepared to investigate the effects of metallic substrate pretreatments on the mechanical stability of monolithic catalysts. It is shown that chemical and thermal pretreatments produce different effects on the metallic surface morphology and phase, and different mechanisms are involved in their ways of improving the washcoat adhesion. Combination of chemical and thermal pretreatments leads to the formation of α-alumina whiskers on corroded and rough metallic surface, thus giving the most satisfactory washcoat adhesion. It is also pointed out that not only mechanical shock resistance but also thermal shock resistance is crucial to metallic monolithic catalysts.",
keywords = "Monolithic catalyst, Monolithic reactor, Metallic monolith, Washcoat adhesion, Mechanical stability",
author = "D. Wu and Y. Zhang and Y. Li",
note = "Export Date: 27 December 2017",
year = "2017",
doi = "10.1016/j.jiec.2017.07.010",
language = "English",
volume = "56",
pages = "175--184",
journal = "JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY",
issn = "1226-086X",

}

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TY - JOUR

T1 - Mechanical stability of monolithic catalysts: Improving washcoat adhesion by FeCrAl alloy substrate treatment

AU - Wu, D.

AU - Zhang, Y.

AU - Li, Y.

N1 - Export Date: 27 December 2017

PY - 2017

Y1 - 2017

N2 - Alumina-washcoated FeCrAl alloy sheets are prepared to investigate the effects of metallic substrate pretreatments on the mechanical stability of monolithic catalysts. It is shown that chemical and thermal pretreatments produce different effects on the metallic surface morphology and phase, and different mechanisms are involved in their ways of improving the washcoat adhesion. Combination of chemical and thermal pretreatments leads to the formation of α-alumina whiskers on corroded and rough metallic surface, thus giving the most satisfactory washcoat adhesion. It is also pointed out that not only mechanical shock resistance but also thermal shock resistance is crucial to metallic monolithic catalysts.

AB - Alumina-washcoated FeCrAl alloy sheets are prepared to investigate the effects of metallic substrate pretreatments on the mechanical stability of monolithic catalysts. It is shown that chemical and thermal pretreatments produce different effects on the metallic surface morphology and phase, and different mechanisms are involved in their ways of improving the washcoat adhesion. Combination of chemical and thermal pretreatments leads to the formation of α-alumina whiskers on corroded and rough metallic surface, thus giving the most satisfactory washcoat adhesion. It is also pointed out that not only mechanical shock resistance but also thermal shock resistance is crucial to metallic monolithic catalysts.

KW - Monolithic catalyst

KW - Monolithic reactor

KW - Metallic monolith

KW - Washcoat adhesion

KW - Mechanical stability

U2 - 10.1016/j.jiec.2017.07.010

DO - 10.1016/j.jiec.2017.07.010

M3 - Article

VL - 56

SP - 175

EP - 184

JO - JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY

JF - JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY

SN - 1226-086X

ER -

ID: 16586326