Tribological properties and microstructures of Al 2 O 3 -TiC-TiB 2 reinforced composites
Source abstract
Abstract
Abstract Ti-3Al-2V alloy is an important aviation material but shows poor resistance to slid wear. Laser cladding of the Fe 3 Al-B 4 C pre-placed powders on a Ti-3Al-2V substrate can form the TiC-TiB 2 reinforced composites, which improved the wear resistance of the substrate. In this study, it was noted that the addition of the Al 2 O 3 and 7 wt.% yttria partially stabilized zirconia (YPSZ) was able to further increase the wear resistance of such composites. Al 2 O 3 increased the dilution rate of the substrate to the laser molten pool to a certain extent; moreover, Al 2 O 3 improved the hardness, elastic modulus and the mechanical properties of such laser clad composites. The YPSZ addition led t-ZrO 2 -ZrSiO 4 to be produced in such composites.
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Research context
OpenAlex topics: Advanced materials and composites · High Entropy Alloys Studies · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Mechanical and Electronic Engineering Department , Shandong Agriculture and Engineering University , Jinan 250100 , P.R. China
References (20)
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