Anders Engström
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View article: Development of CALPHAD database for both Ti- and TiAl-based alloys
Development of CALPHAD database for both Ti- and TiAl-based alloys Open
Phase diagram calculations and phase transformation simulations have been widely employed to materials design and process optimization. Recent development of a 27-element thermodynamic database (TCTI2) together with a compatible mobility d…
View article: On Negative Diagonal Elements in the Diffusion Coefficient Matrix of Multicomponent Systems
On Negative Diagonal Elements in the Diffusion Coefficient Matrix of Multicomponent Systems Open
In multicomponent systems the diffusion coefficient turns into a matrix. The diagonal elements represent diffusion of a species caused by its own concentration gradient. In a thermodynamically stable binary alloy it is easy to see that thi…
View article: Kinetic Simulations of Diffusion-Controlled Phase Transformations in Cu-Based Alloys
Kinetic Simulations of Diffusion-Controlled Phase Transformations in Cu-Based Alloys Open
In this chapter, we present computational kinetics of diffusion-controlled phase transformations in Cu-based alloys, which becomes possible only most recently due to the establishment of the first atomic mobility database (MOBCU) for coppe…
View article: Thermoplasticity in topology optimization based on finite strain
Thermoplasticity in topology optimization based on finite strain Open
A thermoplastic finite strain model is used to model heat generation due to plastic work. Isotropic hardening is used, where the mechanical dissipation acts as heat source in the heat equation. The multiplicative split of the deformation g…
View article: Geographically coherent patterns of albedo enhancement and suppression associated with aerosol sources and sinks
Geographically coherent patterns of albedo enhancement and suppression associated with aerosol sources and sinks Open
Earth's albedo is the primary determinant of the amount of energy absorbed by the Earth–atmosphere system. It is a function of the fractional cloud cover and the cloudy- and clear-sky albedos, and thereby of the aerosol loading of the atmo…