Miladin Radović

Fabrication of SiC/Al-Mg Composites via Binder Jetting 3D Printing and Infiltration: Effects of Mg Content and Infiltration Temperature

Fahim Khan, Evgenia Dimitriou, Miloš Dujović, Md Shakil Arman et autres

This study systematically investigates the effects of infiltration temperature (800 and 1000 °C) and magnesium (Mg) content (0, 5, and 10 wt.%) on the density, morphology, and chemical composition of silicon carbide/aluminum-magnesium (SiC/Al–Mg) composites. Poor wettability between molten Al and SiC can …

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Stability and formation pathways of compositionally complex M-layer MAX phases

Miloš Dujović, Bekassyl Battalgazy, Zeyi Tan, Christopher Novosad et autres

ABSTRACT MAX phases exhibit unusual combinations of metallic and ceramic properties and offer broad opportunities to tailor those properties through incorporation of multiple elements on the M, A, and X sites. However, conventional synthesis from elemental or binary powders often involves complex …

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Kinetic analysis and ballistic pyrolysis of carbon fiber reinforced phenolic composites using Joule heating

Ethan M. Harkin, Christian McGovern, Faheem Muhammed, Miladin Radović et autres

Pyrolysis of high-temperature composite materials is of fundamental interest. While it is straightforward to characterize pyrolysis at heating rates of less than 5 °C/min, rates exceeding 50 °C/min rates are difficult to assess experimentally. Here we investigate the pyrolysis of carbon fiber …

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Fabrication of SiC-aluminum composites via binder jetting 3D printing and infiltration: Effects of air-assisted oxidation bonding conditions

Fahim Khan, Evgenia Dimitriou, Miloš Dujović, Md Shakil Arman et autres

This study systematically investigates the effects of air-assisted oxidation bonding conditions, specifically temperature (1200, 1400, 1600°C) and time (2, 4 hours) on binder jetting 3D-printed silicon carbide (SiC) samples and their subsequent infiltration with aluminum-magnesium to produce composites. SiC samples were 3D-printed, …

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Electrothermal Joining of Carbon‐Fiber Reinforced Polymer Matrix Composites Using Radio‐Frequency Fields

Charles L. Ribardo, Ethan M. Harkin, Brandon S. Mitchell, Kyle A. Oubre et autres

ABSTRACT This study delves into the ability of radio frequency (RF) induction heating to join carbon‐fiber reinforced polymer matrix composites (PMC). Previous works have shown that RF heating can efficiently heat carbon fibers. This study demonstrates that the high heating rates achieved …

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High-temperature, non-contact roll-to-roll processing of silicon carbide via radio frequency electrothermal heating

Delaney E. Clouse, Ankush Rout, Lou E. Arrambide, Brandon S. Mitchell et autres

This work introduces a novel radio frequency (RF) electrothermal heating approach for high-temperature, non-contact, and scalable material processing Traditional furnace-based heating systems suffer from slow heating rates, poor thermal uniformity, and high energy costs. Electrification of heating could reduce both operational costs …

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Cracking and kinking in layered ternary carbides

Miloš Dujović, Mayank Chouksey, Hemant J. Rathod, Sisi Xiang et autres

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Molten salt etching mechanism of vanadium carbide MXenes

Savannah E. Pas, Ramu Banavath, Miloš Dujović, Ethan M. Harkin et autres

We report the synthesis of molten-salt etched vanadium carbide V 2 CT x MXenes guided by Gibbs free energy calculations for salt selection.

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Effect of M elements on the non-Schmid slip behavior in M-Al-C 211 MAX phases

Zhiqiang Zhan, Miloš Dujović, Miladin Radović, Ankit Srivastava

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Rapid Electrothermal Heating and Molten Salt Etching to Produce Ti 3 C 2 MXenes

Savannah E. Pas, Ramu Banavath, Miloš Dujović, Miladin Radović et autres

Abstract Rapid, out‐of‐oven techniques for MXene synthesis are of great interest and would allow for easier production of this exciting class of 2D materials. MXenes are typically synthesized by etching MAX phases with strong acids for long times, sometimes exceeding 40 h. …

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Ti3C2Tz MXene MILD acid etching versus CuCl2 molten salt etching: properties, scaleup, and degradation analysis

Savannah E. Pas, Kailash Arole, Stefano A. Micci-Barreca, Yufan Zhang et autres

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Nacre-like MXene/Polyacrylic Acid Layer-by-Layer Multilayers as Hydrogen Gas Barriers

Yang Hyun Auh, Natalie N. Neal, Kailash Arole, Nolan Regis et autres

High Resolution Image Download MS PowerPoint Slide MXenes are a promising class of 2D nanomaterials and are of particular interest for gas barrier applications due to their high aspect ratio. However, MXene nanosheets naturally bear a negative charge, which prevents assembly with …

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