Contribution in optimization of Zn Cold-sprayed coating dedicated to corrosion applications

E. Lapushkina; S. Yuan; N. Mary; J. Adrien; K. Ogawa; B. Normand

doi:10.1016/j.surfcoat.2020.126193

Contribution in optimization of Zn Cold-sprayed coating dedicated to corrosion applications

E. Lapushkina, S. Yuan, N. Mary, J. Adrien, K. Ogawa, B. Normand

ENG - Fracture and Reliability Research Institute

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Cold spray coatings elaboration requires optimization of numerous parameters in order to reach the best coatings' performances. A systematic approach can be avoided by using an experimental design. A Doehlert uniform shell design was applied in this work to Zn cold sprayed coating. Coatings were produced on steel substrates to provide high corrosion resistant layers. N₂ temperature and gas pressures varied from 200 °C to 320 °C and from 2.0 MPa to 3.0 MPa, respectively. Performance maps were plotted for two descriptors: (i) the interfacial porosity volume (substrate coating interface defects), (ii) coating thickness (i.e., coating durability), and validated with the polarization resistance (i.e., corrosion resistance). Results reported three set of optimized temperature and gas pressure values according to the descriptor. Two optimized protection modes can be obtained: a sacrificial mode from heterogeneities in the coating (290 °C and 3.0 MPa), and a barrier protection mode from homogeneous and dense coatings (320 °C and 2.5 MPa). Mechanism of corrosion has been investigated.

Original language	English
Article number	126193
Journal	Surface and Coatings Technology
Volume	400
DOIs	https://doi.org/10.1016/j.surfcoat.2020.126193
Publication status	Published - 2020 Oct 25

Keywords

Coating
Cold spray
Corrosion
Electrochemistry
Experimental design
Zn

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.surfcoat.2020.126193

Cite this

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title = "Contribution in optimization of Zn Cold-sprayed coating dedicated to corrosion applications",

abstract = "Cold spray coatings elaboration requires optimization of numerous parameters in order to reach the best coatings' performances. A systematic approach can be avoided by using an experimental design. A Doehlert uniform shell design was applied in this work to Zn cold sprayed coating. Coatings were produced on steel substrates to provide high corrosion resistant layers. N2 temperature and gas pressures varied from 200 °C to 320 °C and from 2.0 MPa to 3.0 MPa, respectively. Performance maps were plotted for two descriptors: (i) the interfacial porosity volume (substrate coating interface defects), (ii) coating thickness (i.e., coating durability), and validated with the polarization resistance (i.e., corrosion resistance). Results reported three set of optimized temperature and gas pressure values according to the descriptor. Two optimized protection modes can be obtained: a sacrificial mode from heterogeneities in the coating (290 °C and 3.0 MPa), and a barrier protection mode from homogeneous and dense coatings (320 °C and 2.5 MPa). Mechanism of corrosion has been investigated.",

keywords = "Coating, Cold spray, Corrosion, Electrochemistry, Experimental design, Zn",

author = "E. Lapushkina and S. Yuan and N. Mary and J. Adrien and K. Ogawa and B. Normand",

note = "Funding Information: E. Lapushkina's PhD is supported by the Minist{\`e}re de l'Enseignement Sup{\'e}rieur, de la Recherche et de l'innovation. This research was conducted in collaboration with ElyTMax UMI CNRS. Thanks to Pascal Reynaud from MATEIS (UMR CNRS 5510) for his contribution to the bending test. Funding Information: E. Lapushkina's PhD is supported by the Minist{\`e}re de l'Enseignement Sup{\'e}rieur, de la Recherche et de l'innovation . This research was conducted in collaboration with ElyTMax UMI CNRS. Thanks to Pascal Reynaud from MATEIS (UMR CNRS 5510) for his contribution to the bending test. Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

year = "2020",

month = oct,

day = "25",

doi = "10.1016/j.surfcoat.2020.126193",

language = "English",

volume = "400",

journal = "Surface and Coatings Technology",

issn = "0257-8972",

publisher = "Elsevier",

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TY - JOUR

T1 - Contribution in optimization of Zn Cold-sprayed coating dedicated to corrosion applications

AU - Lapushkina, E.

AU - Yuan, S.

AU - Mary, N.

AU - Adrien, J.

AU - Ogawa, K.

AU - Normand, B.

N1 - Funding Information: E. Lapushkina's PhD is supported by the Ministère de l'Enseignement Supérieur, de la Recherche et de l'innovation. This research was conducted in collaboration with ElyTMax UMI CNRS. Thanks to Pascal Reynaud from MATEIS (UMR CNRS 5510) for his contribution to the bending test. Funding Information: E. Lapushkina's PhD is supported by the Ministère de l'Enseignement Supérieur, de la Recherche et de l'innovation . This research was conducted in collaboration with ElyTMax UMI CNRS. Thanks to Pascal Reynaud from MATEIS (UMR CNRS 5510) for his contribution to the bending test. Publisher Copyright: © 2020 Elsevier B.V.

PY - 2020/10/25

Y1 - 2020/10/25

N2 - Cold spray coatings elaboration requires optimization of numerous parameters in order to reach the best coatings' performances. A systematic approach can be avoided by using an experimental design. A Doehlert uniform shell design was applied in this work to Zn cold sprayed coating. Coatings were produced on steel substrates to provide high corrosion resistant layers. N2 temperature and gas pressures varied from 200 °C to 320 °C and from 2.0 MPa to 3.0 MPa, respectively. Performance maps were plotted for two descriptors: (i) the interfacial porosity volume (substrate coating interface defects), (ii) coating thickness (i.e., coating durability), and validated with the polarization resistance (i.e., corrosion resistance). Results reported three set of optimized temperature and gas pressure values according to the descriptor. Two optimized protection modes can be obtained: a sacrificial mode from heterogeneities in the coating (290 °C and 3.0 MPa), and a barrier protection mode from homogeneous and dense coatings (320 °C and 2.5 MPa). Mechanism of corrosion has been investigated.

AB - Cold spray coatings elaboration requires optimization of numerous parameters in order to reach the best coatings' performances. A systematic approach can be avoided by using an experimental design. A Doehlert uniform shell design was applied in this work to Zn cold sprayed coating. Coatings were produced on steel substrates to provide high corrosion resistant layers. N2 temperature and gas pressures varied from 200 °C to 320 °C and from 2.0 MPa to 3.0 MPa, respectively. Performance maps were plotted for two descriptors: (i) the interfacial porosity volume (substrate coating interface defects), (ii) coating thickness (i.e., coating durability), and validated with the polarization resistance (i.e., corrosion resistance). Results reported three set of optimized temperature and gas pressure values according to the descriptor. Two optimized protection modes can be obtained: a sacrificial mode from heterogeneities in the coating (290 °C and 3.0 MPa), and a barrier protection mode from homogeneous and dense coatings (320 °C and 2.5 MPa). Mechanism of corrosion has been investigated.

KW - Coating

KW - Cold spray

KW - Corrosion

KW - Electrochemistry

KW - Experimental design

KW - Zn

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VL - 400

JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

M1 - 126193

ER -

Contribution in optimization of Zn Cold-sprayed coating dedicated to corrosion applications

Abstract

Keywords

ASJC Scopus subject areas

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