PREPARATION AND MICROSTRUCTURE OF THINTiO2FILMS CONTAININGCaANDPUSING MICRO-ARC OXIDATION

Qing Dong, Chuanzhong Chen (), Diangang Wang and Qianmao Ji
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Qing Dong: School of Materials Science and Engineering, Shandong University, Shandong, Ji'nan 250061, P. R. China
Chuanzhong Chen: School of Materials Science and Engineering, Shandong University, Shandong, Ji'nan 250061, P. R. China
Diangang Wang: School of Materials Science and Engineering, Shandong University, Shandong, Ji'nan 250061, P. R. China
Qianmao Ji: Shandong Information Technology College, Shandong, Weifang 261041, P. R. China

Surface Review and Letters (SRL), 2005, vol. 12, issue 04, 555-559

Abstract: Micro-arc oxidation (MAO) is a novel technique for producing oxide films on metals likeAl,Mg,TiandZr. A ceramic-like film containingCaandPwas deposited onTi-6Al-4Vsubstrate by MAO in an electrolytic solution using a pulsed power supply. XRD indicated that the film was a mixture of anatase, rutile and VO. SEM showed that the surface of the film was microporous with 1–2 μm pores. EDS gave the element distributions of the cross-section. The result indicated that elements likeCaandPcould be incorporated into the film during MAO process. The microhardness test showed that the film had an average hardness of 540 HV0.025.

Keywords: Micro-arc oxidation; phase component; morphology; Ti-6Al-4V (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0218625X05007426

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