Influence of TiO₂ Alloying Percentage on the Morphology of APS-Deposited Coatings from Cr₂O₃ Powders

• Autorzy: Cristisor Daniel , Chicet Daniela Lucia , Istrate Bogdan , Stescu Cristian , Munteanu Corneliu

Identyfikatory

DOI

10.24425/amm.2024.150946

• Języki publikacji: EN

Abstrakty

EN

In this paper we studied how alloying with different percentages of TiO₂ influences the microstructure of Cr₂O₃ base matrix coatings deposited by plasma spray (APS). Thus, five different types of coatings were made, in which the percentage of TiO₂ varied as 0%, 10%, 20%, 30% and 40%. The samples were analysed morphologically both on the surface and in cross-section using direct observation and electron microscopy (SEM). It was observed that none of the TiO₂-containing coatings is a simple blend of distinct phases, but are coatings with a specific layered lamellar structure, with coarser and smooth areas, depending on the Ti wt.% presence. All the coatings analysed show micro cracks, porosities and inhomogeneous structure, but with a higher density directly proportional to the percentage of TiO₂ in the composition of the coated powder.

Słowa kluczowe

EN

Cr2O3-TiO2 coatings; APS; microstructure morphology

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2024
• Tom: Vol. 69, iss. 3
• Strony: 1231--1239
• Opis fizyczny: Bibliogr. 23 poz., fot., rys., tab.

Twórcy

autor

Cristisor Daniel

• Gheorghe Asachi Technical University of Iasi, Department of Mechanical Engineering, Blvd. Mangeron, No. 61, 700050, Iasi, Romania

• https://orcid.org/0000-0002-9192-7455

autor

Chicet Daniela Lucia

• Gheorghe Asachi Technical University of Iasi, Department of Materials Science and Engineering, Blvd. Mangeron, No. 41, 700050, Iasi, Romania

• https://orcid.org/0000-0002-0904-4355

autor

Istrate Bogdan

• Gheorghe Asachi Technical University of Iasi, Department of Mechanical Engineering, Blvd. Mangeron, No. 61, 700050, Iasi, Romania

• https://orcid.org/0000-0003-0817-3523

autor

Stescu Cristian

• Gheorghe Asachi Technical University of Iasi, Department of Mechanical Engineering, Blvd. Mangeron, No. 61, 700050, Iasi, Romania

• https://orcid.org/0000-0003-0078-782X

autor

Munteanu Corneliu

• Gheorghe Asachi Technical University of Iasi, Department of Mechanical Engineering, Blvd. Mangeron, No. 61, 700050, Iasi, Romania
• Technical Sciences Academy of Romania, 26 Dacia Blvd, Bucharest, 030167, Romania

• https://orcid.org/0000-0002-3878-9129

Bibliografia

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