Microstructure, wear and mechanical properties of plasma sprayed TiO2 coating on Al–SiC metal matrix composite

• Autorzy: Dinesh Babu P. , Prasannakumar B. , Marimuthu P. , Mishra R. K. , Ram Prabhu T.

Identyfikatory

DOI

10.1016/j.acme.2019.03.001

• Języki publikacji: EN

Abstrakty

EN

In the present study, the hard TiO2 coating was plasma sprayed on the Al/SiC composite substrate. The coating was characterised for microstructure, mechanical and tribological properties and compared with the substrate. The key findings from the present study are: (1) The lamellae structure of the coating contains semi and fully melted particles, round porosity without any evidence of spallation or delamination or un-melted particles and non-stoichiometric and oxygen deficient phases and shorter stand-off distance would be a probable reason for the occurrence of partial melted regions and porosity in the coating, (2) The coating has improved significantly scratch resistance, hardness, fracture roughness, friction coefficient and wear resistance of the substrate, and (3) mild abrasive wear is responsible for low wear loss in the coated sample whereas the combination of severe delamination wear and abrasive wear causes the considerable wear loss in the uncoated sample.

Słowa kluczowe

EN

plasma spraying; Al/SiC composites; TiO2 coating; wear and friction; mechanical properties

PL

natryskiwanie plazmowe; kompozyty; powłoka TiO2; zużycie; tarcie; właściwości mechaniczne

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 3
• Strony: 756--767
• Opis fizyczny: Bibliogr. 30 poz., rys., wykr.

Twórcy

autor

Dinesh Babu P.

• School of Mechanical Engineering, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India

autor

Prasannakumar B.

• School of Mechanical Engineering, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India

autor

Marimuthu P.

• School of Mechanical Engineering, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India

autor

Mishra R. K.

• Centre for Military Airworthiness and Certification, Defence R&D Organization, Bengaluru 560093, Karnataka, India

autor

Ram Prabhu T.

• Centre for Military Airworthiness and Certification, Defence R&D Organization, Bengaluru 560093, Karnataka, India

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)