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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Simulations/Experiments Integration for Next Generation Hypersonic Materials
Presentation Title Mechanical and Structural Characterization of Ultra-fast Boriding Process on Refractory Metals
Author(s) Merve Uysal Komurlu, Cafer Melik Ensar Acemi, Cagatay Yelkarasi, Ali Erdemir, Ibrahim Karaman
On-Site Speaker (Planned) Merve Uysal Komurlu
Abstract Scope Several boriding processes producing a hard boride layer on suitable transition metals are very slow and cost-prohibitive. Thick boride layers can provide high resistance to wear, oxidation. Among the boriding processes, electrochemical boriding has been shown to achieve very thick and uniform boride layers at very fast rates without causing much environmental pollution. We used this technique to synthesize thick boride layers on several refractory metals including Hf, V, Zr, Ti, Re, Ta, Nb, Cr, Mo, W, and Ni at 10000C for a duration of 1-hour. Borided metals have been characterized using structural and mechanical methods. While borided Ni exhibited the largest thickness (i.e., 480 Ám), borided Hf had a thickness of about 3.5Ám. In terms of hardness, the highest hardness was measured on borided Mo which was around 40 GPa. The others had lower hardness values while the hardness of base refractory metals ranged from 5 to 8 GPa.
Proceedings Inclusion? Planned:
Keywords Surface Modification and Coatings, Mechanical Properties, Characterization

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

CALPHAD-based Thermal Conductivity Modeling Appended with Porosity Effects for Ultra-high Temperature Ceramics Suitable for Hypersonic Applications
Correlative Multiscale 3D Investigation of Damage in Angle-interlocked Ceramic Matrix Composites
Design and Rapid Solidification Analysis of Refractory Multi-principal Element Alloys
First-principles Calculations of Diffusion Coefficients in High-temperature Carbides
Foundational Molecular Dynamic Models and Experiments of SiC Oxidation for Materials Development in Extreme Environments
High-temperature Oxygen Plasma Experiments and Atomistic Simulations of Active Oxidation in Nanocrystalline SiC Woven Fibers
Mechanical and Structural Characterization of Ultra-fast Boriding Process on Refractory Metals
Mesoscale Thermomechanical Modeling of Woven Carbon Composites
Metal Di-boride (MB2 | M = Ti, Zr, Nb, Hf, Ta) Properties Above 3000 ˚C
Rapid Computational Design and Experimental Validation of Ductile High Entropy Alloys for Extreme Environments
Size Effect at High Temperature in Additive Metals

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