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Meeting Materials Science & Technology 2020
Symposium Thermodynamic Properties, Structure and Phase Stabilities of Special Alloys
Presentation Title Interdiffusion in Ternary Ti-Al-Mo System and Its Application during Homogenization Treatment
Author(s) Gyanendra Chauhan, Kaustubh Kulkarni
On-Site Speaker (Planned) Gyanendra Chauhan
Abstract Scope Interdiffusion study of ternary Ti-Al-Mo alloys, a subset of many important beta-Ti alloys is important for diffusional behavior understanding of Ti-Al-Mo based alloys and in development of cost-effective manufacturing routes for mass production. In this study, interdiffusion coefficients are evaluated over a larger composition range of beta phase field of ternary Ti-Al-Mo system. 11 independent diffusion couples are annealed for 48hr at 1100C. Experimental concentration profiles of diffusion structures, evaluated from EPMA-WDS are fitted and are analyzed for interdiffusion fluxes. Interdiffusion coefficients are calculated at 32 intersection points among diffusion paths. These calculated interdiffusivities are correlated with composition by empirical fitting. Using finite difference method based on F.T.C.S. scheme, the diffusion profiles are generated using empirically fitted composition dependent diffusion-data. Validity of evaluated diffusion-data is tested using multi-layered assembly of binary Ti-Al and Ti-Mo alloys, which are diffusion annealed for different duration analogous to dendrites homogenization, important for industrial heat-treatment.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Deformation Induced Precipitation in Microalloyed Al-Cu
Depiction of Electro-optical Characteristics in CdSexTe1-x by Curbing Content And Short-Range Pattern
Determination of the Activation Energy of the Formation of Intermetallic Compounds in the Ni-Al and Ti-Al System Upon Receipt of Special Alloys
Examining the Oxidation in NiAl Binary Alloys Using Cellular Automata
Interdiffusion in Ternary Ti-Al-Mo System and Its Application during Homogenization Treatment
Introductory Comments: Thermodynamic Properties, Structure and Phase Stabilities of Special Alloys
Sodium Pnictogen Chalcogenides for Thermoelectric and Photovoltaic Applications
Thermal Decomposition of Quasicrystals in Powder-processed Icosahedral-Phase-strengthened Aluminum Alloys
Thermodynamic Modeling of the Ga-Mn-Ni System for Heusler Alloy Development
Thermodynamic Properties of Special Alloys of the Ti-Al System Formed under SHS Conditions

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