Abstract
A new preparation technology for titanium matrix composites is proposed: interlayer laser cladding of SiC ceramic particles is carried out during the process of arc‐directed energy deposition (ADED) technology for preparing Ti‐6Al‐4V additive manufacturing components. This technology is named laser cladding‐ADED (LC‐ADED). The microstructure and electrochemical properties of the ADED specimens and LC‐ADED specimens are analyzed, and the corrosion resistance mechanism is discussed. During the LC‐ADED process, the growth of α phase and prior‐β grains is hindered by the precipitated eutectic TiC and Ti 5 Si 3 . The results of open circuit potential, polarization curve, and electrochemical impedance spectroscopy are in accordance. In terms of the corrosion resistance change trend, the order from high to low is as follows: the top LC‐ADED specimens > the bottom LC‐ADED specimens > the top ADED specimens > the bottom ADED specimens. Overall, the LC‐ADED specimens exhibit excellent corrosion resistance.
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- 2025
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- article
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H.M. Zhang,
Long Miao,
Ying Han
(2025).
The Influence of SiC Cermet on the Microstructure and Corrosion Performance of Titanium Alloy Components Produced by Arc Additive Manufacturing.
Advanced Engineering Materials
.
https://doi.org/10.1002/adem.202501932
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- DOI
- 10.1002/adem.202501932