Effect of texture microstructure on tribological properties of tailored Ti3AlC2 ceramic

Tribological property of c -axis textured shell-like Ti 3 AlC 2 ceramic was investigated using reciprocating sliding balls (SUS304) under loads of 1, 5, and 9 N. It was found that the textured top surface (TTS), corresponding to the (000 l ) plane, shows the lowest mean coefficient of friction in co...

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Bibliographic Details
Published in:Journal of advanced ceramics 2017-06, Vol.6 (2), p.120-128
Main Authors: Xu, Ludi, Zhu, Degui, Grasso, Salvatore, Suzuki, Tohru S., Kasahara, Akira, Tosa, Masahiro, Kim, Byung-nam, Sakka, Yoshio, Zhu, Minhao, Hu, Chunfeng
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Materials Science
mean coefficient of friction
Nanotechnology
Natural Materials
Research Article
Structural Materials
tailored Ti3AlC2
wear rate
worn mechanisms
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Summary:Tribological property of c -axis textured shell-like Ti 3 AlC 2 ceramic was investigated using reciprocating sliding balls (SUS304) under loads of 1, 5, and 9 N. It was found that the textured top surface (TTS), corresponding to the (000 l ) plane, shows the lowest mean coefficient of friction in comparison with those measured on the textured side surface (TSS), where the sliding directions are parallel (TSS-1) and perpendicular (TSS-2) to c axis, under the same load. Among all the tested orientations, the TSS-2 exhibited the lowest wear rate of 1.51×10 −3 mm 3 /(N·m) under the load of 9 N. The worn mechanisms on the TTS and TSS-1 were delamination, grain fracture, and grain spalling-off. On the TSS-2, plowing effect against balls was the dominating mechanism. This work suggests the criteria to maximize the wear resistance in the load range of 1–9 N.
ISSN:2226-4108
2227-8508
DOI:10.1007/s40145-017-0224-6