| | | Document Type | : | Latin Dissertation | | Language of Document | : | English | | Record Number | : | 55749 | | Doc. No | : | TL25703 | | Call number | : | MR35947 | | Main Entry | : | Mohammad Mehdi Yazdanian | | Title & Author | : | Improvement of titanium-aluminum-vanadium alloy wear resistance in vacuum using the thermal oxidization methodMohammad Mehdi Yazdanian | | College | : | University of Windsor (Canada) | | Date | : | 2006 | | Degree | : | M.A.Sc. | | student score | : | 2006 | | Page No | : | 143 | | Abstract | : | Dry sliding wear of surface treated Ti-6A1-4V alloy using a thermal oxidization method examined using a ball-on-disk tribo-tester built in-house to perform tests under vacuum of 7×10-6 torr. 52100 steel, Ti-6A1-4V and thermally oxidized Ti-6A1-4V were used as counterfaces. For comparison, the same tests were performed in ambient air. Tribological behaviour of treated Ti-alloy was investigated by means of SEM, EDS, XRD. The excellent enhancement in wear of thermally oxidized Ti-6A1-4V alloy was observed while they were in contact with a ban of the same material in high vacuum. Also, thermally oxidized samples tested against themselves in vacuum showed the lowest coefficient of friction and minimum counterface damage. However, a shift from adhesion wear for untreated Ti-alloy to abrasive wear was encountered in treated samples tested in vacuum. In addition, the dry sliding wear between surface treated Ti-6A1-4V and 52100 steel balls caused severe damage at the tip of counterface. | | Subject | : | Applied sciences; Materials science; 0794:Materials science | | Added Entry | : | University of Windsor (Canada) |
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