Properties of Al2O3/TiO2 and ZrO2/CaO flame sprayed coatings

• Autorzy: Czupryński A.
• Języki publikacji: EN

Abstrakty

EN

The article presents the results of the study on exploitation properties of flame sprayed ceramic coatings produced by oxide ceramic material in the form of powder based on the aluminum oxide Al₂O₃ matrix with addition of 3% titanium oxide TiO₂ and also on the zirconium oxide (ZrO₂) matrix with 30% calcium oxide (CaO) on the substrate of unalloyed structural steel of S235JR grade. The buffer layer was produced by metallic powder on the base of Ni-Al-Mo. Plates with dimensions of 5x200x300 mm and also front surfaces of ø40x50 mm cylinders have been flame sprayed. The buffer coatings were produced using RotoTec 80 torch and external specific coatings were produced by CastoDyn DS 8000 torch. Investigations of coating properties were based on metallography tests, phase composition research, measurement of microhardness, coating adhesion to the substrate research, abrasive wear resistance (acc. to ASTM G65 standard) and erosion wear resistance (acc. to ASTM G76-95 standard) and thermal stroke study. The coatings were characterized by high adhesion to the substrate and also high erosion and abrasive wear resistance and the resistance for cyclic thermal stroke.

Słowa kluczowe

EN

flame spray; coating; ceramic powder; abrasive wear resistance; erosion wear resistance; adhesion strength

• Wydawca: Wydawnictwo HMR-TRANS Sp. z o.o.
• Czasopismo: Spajanie Materiałów Konstrukcyjnych
• Rocznik: 2017
• Tom: Nr 2 (36)
• Strony: 32--39
• Opis fizyczny: Bibliogr. 14 poz., rys., tab., wykr.

Twórcy

autor

Czupryński A.

• Silesian University of Technology, Faculty of Mechanical Engineering, The Welding Department

Bibliografia

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• [12] L. Pawlowski, The Science and Engineering of Thermal Spray Coatings, second ed., John Wiley & Sons, Chichester, UK, 2008
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Uwagi

EN

The article was reprinted with Materiali in Tehnologije 2017 vol. 51 iss. 2, s. 205-212

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).