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Search Results for Collection: School of Mechanical and Materials Engineering
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(Elsevier, 2012-05)Bulk metallic glasses (BMGs), having no limiting microstructure, can be machined or thermoplastically-formed with sub-micron precision while still retaining often-desirable metallic properties such as high compressive ...
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(Elsevier, 2009-10)Equiaxed grain solidification in inoculated melts is modelled on a macroscopic scale. The grain initiation is based on grain refiners present in the alloy melt as in most industrial castings. The Avrami analytical approach ...
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(Elsevier, 2012-04)Extensions to the Ivantsov dendrite growth model are presented, which allow for increased solute levels in the field ahead of the dendrite tip. This model is intended for use with video-microscopy experimental results taken ...
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(Elsevier, 2010-11)Free equiaxed dendrites in solidifying alloy melts are subjected to hydrodynamic effects as a result of gravity. The sedimentation of dendrites is one such effect and believed to be a cause of macro segregation in partitioning ...
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(Trans Tech Publications, 2010-05)A macroscopic model of Columnar-to-Equiaxed Transition (CET) formation is presented. The growth of a columnar zone and an equiaxed zone are treated separately and modeled on a fixed grid. The model uses a columnar Front ...
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(Trans Tech Publications, 2010-05)A three-step combined analytical and numerical approach to thermal modelling of a twoheater power-down furnace for controlled directional solidification of an intermetallic alloy is proposed. An analytical sensitivity ...
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(Trans Tech Publications, 2010-05)This paper studies the Columnar to Equiaxed Transition (CET) in an Al-7wt%Si binary alloy with and without Al-Ti-B grain refiner. A microgravity experiment was designed to produce a CET in this alloy system. The experiment ...
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(Research Publishing Services, 2011)The replication of micro/nano scale features is of great interest for MEMS and Microsystems. However, the flow behaviour of melts into a micro/nano cavity is still not well understood. In this work, we used the micro injection ...
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Review of the Maxus 8 Sounding Rocket Experiment to Investigate Solidification in a Ti-Al-Nb Alloy (European Space Agency, 2009)A review of the MAXUS 8 sounding rocket microgravity experiment to investigate solidification structures in a Ti-Al-Nb intermetallic alloy is presented. The experiment was part of the Intermetallic Materials Processing ...
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(Springer, 2009-10-01)As an economic and direct route to continuous thin strip production from the melt, twin roll casting (TRC) has been established as an effective process for aluminium alloys. Its adaptation to casting of bulk amorphous alloy ...