Electrophoretic deposition and reaction-bond sintering of Al2O3/Ti composite coating: evaluation of microstructure, phase and wear resistance

Bulletin of materials science

H Maleki-Ghaleh³  M Kavanlouei¹  M Mahmoudi² 

[1] Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, P.O. Box: 5157944533, Tabriz, Iran$$Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, P.O. Box: 5157944533, Tabriz, IranYoung Researchers and Elite Club, Tabriz Branch, Islamic Azad University, P.O. Box: 5157944533, Tabriz, Iran$$;Department of Mechanical Engineering, Ilkhchi Branch, Islamic Azad University, P.O. Box: 53558114418, Ilkhchi, Iran$$Department of Mechanical Engineering, Ilkhchi Branch, Islamic Azad University, P.O. Box: 53558114418, Ilkhchi, IranDepartment of Mechanical Engineering, Ilkhchi Branch, Islamic Azad University, P.O. Box: 53558114418, Ilkhchi, Iran$$;Faculty of Materials Engineering, Sahand University of Technology, P.O. Box: 5133511996, Tabriz, Iran$$Faculty of Materials Engineering, Sahand University of Technology, P.O. Box: 5133511996, Tabriz, IranFaculty of Materials Engineering, Sahand University of Technology, P.O. Box: 5133511996, Tabriz, Iran$$

关键词: Electrophoretic deposition;    alumina;    TiAl6V4;    wear;    microhardness.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

In this study, Al₂O₃/Ti composite coating was deposited on TiAl₆V₄ substrate in various compositions using the electrophoretic deposition method. After the deposition, samples were dried at room temperature then the coated samples were sintered at 1050°C for 4 h. Scanning electron microscope and X-ray diffraction analysis were used to analyse the microstructure and morphology of coatings. The friction coefficient, wear (missing volume) and hardness of coatings have been studied in comparison with uncoated sample. The results demonstrate that the density of Al₂O₃/Ti composite coating increased considerably after heat treatment process. Moreover, wearing resistance of TiAl₆V₄ alloy escalated considerably, increasing its potential for application in orthopedic implants and artificial joints.

【 授权许可】

Unknown