Enhancing the High Temperature Capability of Nanocrystalline Alloys: Utilizing Thermodynamic Stability Maps to Mitigate Grain Growth Through Solute Selection

摘要: Abstract : Mitigating grain growth at high temperatures in binary nanocrystalline alloys is important for processing alloy systems. The objective of this research to develop a methodical design-based approach selecting solutes by revisiting boundary thermodynamics and the internal processes solute segregation closed system. In work, energy derived systematically studied terms temperature, size, concentration, systems 44 solvents 52 solutes, using readily-available elemental data, such as moduli liquid enthalpy mixing. It shown that through segregation, energies some can be reduced, resulting thermodynamically stable structures successful prediction inhibit alloys. Parametric studies reveal trends between equilibrium distribution temperature various culminating generation thermodynamic stability maps tool selection