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Modelling Al3Zr dispersoid precipitation in multicomponent aluminium alloys by J.D Robson; P.B Prangnell is a Engineering article available to read on EtoBox.
What is Modelling Al3Zr dispersoid precipitation in multicomponent aluminium alloys about?
An integrated modelling approach has been used to predict the precipitation of metastable L1 2 Al 3 Zr dispersoids in multicomponent aluminium alloys, during homogenization heat treatment. The Scheil Á/Gulliver method has been used to predict the segregation of the alloying elements after casting. A coupled model was then developed to predict the simultaneous precipitation of Al 3 Zr dispersoids and diffusional redistribution of the alloying elements during subsequent homogenization. The effect of the concentration of copper, magnesium and zinc solute on dispersoid precipitation has been predicted for 7xxx aluminium alloys. These elements are predicted to accelerate Al 3 Zr precipitation kinetics, with changes in magnesium concentration showing the strongest effect. The effect of the solute concentration on the width of the dispersoid free zone towards the edge of the dendrites has also been calculated. Increasing solute concentration is predicted to reduce this width, and the possible consequences of this on the fraction of recrystallization have been investigated.
Who reads Modelling Al3Zr dispersoid precipitation in multicomponent aluminium alloys?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- J.D Robson; P.B Prangnell
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0921-5093)
- Published
- 2003
- Language
- EN
- Field
- Engineering (Physical Sciences)