About this Abstract |
Meeting |
MS&T23: Materials Science & Technology
|
Symposium
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Controlled Synthesis, Processing, and Applications of Structural and Functional Nanomaterials
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Presentation Title |
Effect of 2D MXenes on the Properties of ZrC-Ti3C2 Composites |
Author(s) |
Nithin Chandran, Austin Vohrees, Yooran Im, Srinivasa Kartik Nemani, Ravi Kumar N V, Babak Anasori |
On-Site Speaker (Planned) |
Srinivasa Kartik Nemani |
Abstract Scope |
MXenes are currently being explored as stable additives for high-temperature applications. The use of monolith ZrC is limited in such applications due to low fracture toughness (4.1 MPa·m1/2) and poor thermal shock resistance. Incorporating MXenes in the UHTC matrices can improve the fracture toughness and strength of UHTCs by distributing the stresses more evenly and preventing the propagation of cracks. MXenes’ layered morphology combined with colloidal stability allows additive-free preparation of green-bodies which can lead to uniform distribution of the MXene. In this work, we explore the preparation of green bodies ZrC with nanometer-thin Ti3C2Tx MXene via electrostatic self-assembly, in a surfactant-free aqueous media. Prepared green bodies of MXene-wrapped ZrC are sintered by spark plasma sintering. We present the thermal and mechanical properties of the sintered samples with different MXene content which provides valuable insights into the specific role played by MXenes in this UHTC system. |