The overall goal is to provide valuable insight in to the mechanisms and processes that could lead to next generation hot section material operating at temperature beyond 1350°C which could play an important role in current plight towards greener energy. The main objectives of the proposed projects are: (1) developing a supercell approach to evaluate physical properties of alloys which maintains various order and disorder bulk phases and interfaces; (2) applying the supercell approach to study the physical properties of Nb-Si alloy. The results will be used to guide the search for optimal Nb-Si alloy design with a balanced set of physical properties.
This project will focus on development of Nb-Si alloys that will improve the high-temperature performance of advanced power generation components. Development of these alloys will lead to greater operational flexibility in coal-fired power plants. It will enable cola-fired plants to operate at desired conditions, resulting in improved efficiency leading to reduction of all effluents and waste products, including carbon dioxide.
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