Effect of Ageing on Quality Index of an Al – Cu Casting Alloy

Gregory, Philip (2002). Effect of Ageing on Quality Index of an Al – Cu Casting Alloy Honours Thesis, School of Engineering, The University of Queensland.

       
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Author Gregory, Philip
Thesis Title Effect of Ageing on Quality Index of an Al – Cu Casting Alloy
School, Centre or Institute School of Engineering
Institution The University of Queensland
Publication date 2002
Thesis type Honours Thesis
Supervisor Carlos Cáceres
Total pages 32
Language eng
Subjects 091405 Mining Engineering
Formatted abstract
Developed by Drouzy et al. [1] the concept of the quality index, Q, is capable of expressing the materials mechanical quality in terms of a single numerical parameter. The performance of the alloy can be quantitatively expressed in terms of Q, to show performance improvements or otherwise.

The strength of Aluminium-Copper casting alloys is dependant on the copper (Cu) and magnesium (Mg) for given heat treatment while the tensile ductility may be affected by the iron (Fe) and porosity content, etc. When different process routes are followed or the chemical composition is changed, the balance between the different factors affecting the strength and ductility of the alloys usually changes. Hence the quality index can be a very useful tool to assess any improvement or otherwise in the mechanical properties of the alloy.

Quality index charts exist for A356 and A357 alloys, but they need to be developed for alloy A206, which is one of the goals of this work. The other will involve exploring a range of heat treatments in an attempt of optimising the strength and ductility of the material.

Keyword Al-Cu Casting Alloy

Document type: Thesis
Collection: UQ Theses (non-RHD) - UQ staff and students only
 
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Created: Fri, 28 Nov 2014, 13:44:39 EST by Asma Asrar Qureshi on behalf of Scholarly Communication and Digitisation Service