journal article·2018-05Open access

Formation of Ti 3 SiC 2 interphase coating on SiC f /SiC composite by electrophoretic deposition

Hyeon‐Geun Lee, Daejong Kim, Ji Yeon Park, Weon‐Ju Kim

Abstract

Abstract To improve the oxidation resistance of SiC composites at high temperature, the feasibility of using Ti 3 SiC 2 coated via electrophoretic deposition (EPD) as a SiC fiber reinforced SiC composite interphase material was studied. Through fiber pullout, Ti 3 SiC 2 , due to its lamellar structure, has the possibility of improving the fracture toughness of SiC f /SiC composites. In this study, Ti 3 SiC 2 coating was produced by EPD on SiC fiber; using Ti 3 SiC 2 ‐coated SiC fabric, SiC f /SiC composite was fabricated by hot pressing. Platelet Ti 3 SiC 2 powder pulverized into nanoparticles through high‐energy wet ball milling was uniformly coated on the SiC fiber in a direction in which the basal plane of the particles was parallel to the fiber. In a 3‐point bending test of the SiC f /SiC composite using Ti 3 SiC 2 ‐coated SiC fabric, the SiC f /SiC composite exhibited brittle fracture behavior, but an abrupt slope change in the strength‐displacement curve was observed during loading due to the Ti 3 SiC 2 interphase. On the fracture surface, delamination between each layer of SiC fabric was observed.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Electrophoretic Deposition in Materials Science · MXene and MAX Phase Materials · Advanced ceramic materials synthesis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Nuclear Materials Development Division Korea Atomic Energy Research Institute Yuseong‐gu Daejeon Korea

Funding

Ministry of Science ICT and Future Planning · National Research Foundation of Korea

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