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Journal of Coatings Technology and Research

Erschienen in:

01.11.2010

Characterization and adhesion strength study of detonation-sprayed MoB–CoCr alloy coatings on 2Cr13 stainless steel substrate

verfasst von: Heping Lv, Pulin Nie, Yonggen Yan, Jun Wang, Baode Sun

Erschienen in: Journal of Coatings Technology and Research | Ausgabe 6/2010

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Abstract

A novel MoB–CoCr alloy coating was deposited onto stainless steel (2Cr13) substrate using a detonation gun (D-gun) spraying technique. Microstructures of the powder and coating were investigated by X-ray diffraction (XRD), scanning election microscopy (SEM), and transmission electron microscopy (TEM), and a quantitative determination of the adhesion strength of the coating was calculated by combination of modified four-point bending (4PB) test and finite element analysis (FEA) simulation. The results show that the coating mainly consists of ternary transition metal boride matrix phases (CoMo₂B₂, MoCoB) and binary borides (MoB and CrB). Nanocrystalline grains with a size of 50–100 nm were observed in the coating. The average energy release rate and phase angle are 191.2 J m⁻² and 41.7º, respectively, which show strong bond strength compared to other reported values.

Vorheriger Artikel PVD Coating of Mg–AZ31 by Thin Layer of Al and Al–Si

Nächster Artikel Corrosion resistance of Pb–Sn composite coatings reinforced by carbon nanotubes

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Titel: Characterization and adhesion strength study of detonation-sprayed MoB–CoCr alloy coatings on 2Cr13 stainless steel substrate
verfasst von: Heping Lv
Pulin Nie
Yonggen Yan
Jun Wang
Baode Sun
Publikationsdatum: 01.11.2010
Verlag: Springer US
Erschienen in: Journal of Coatings Technology and Research / Ausgabe 6/2010
Print ISSN: 1547-0091
Elektronische ISSN: 1935-3804
DOI: https://doi.org/10.1007/s11998-009-9189-x

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