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Taylor, S.
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Publications (7/7 displayed)
- 2023Study on the Influence of Nickel Additions on AA7020 Formability Under Superplastic Forming Like Conditionscitations
- 2020A novel experimental set-up for in-situ microstructural characterization during continuous strain path changecitations
- 2017In-situ heated stage scanning electron microscope analysis and characterisation of recrystallization behaviour of a 7000 series alloy with nickel additionscitations
- 2016Effect of Polypropylene Macrofibers on the Flexural Response of SCFRC
- 2015Self-compactability and strength crlteria for concrete mixes with mineral additions and fibres
- 2015The flexural behaviour of SCC beams pre-stressed with BFRP
- 2008Weight reduced III-V triple junction cells for SPACE applications
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article
In-situ heated stage scanning electron microscope analysis and characterisation of recrystallization behaviour of a 7000 series alloy with nickel additions
Abstract
Observation of microstructural evolution and processes are typically observed by means of “snap shots” where a sample is removed from a thermal cycle and then analysed using varying microscopy techniques. Advanced techniques such as hot stage electron back scattered diffraction (EBSD) and fore scattered detection (FSD) allow for direct in-situ observation of these processes to give better and more accurate analysis. This paper investigates two 7000 series alloys with a 1.6 wt% nickel addition and compares the recrystallization behaviours of both. Recrystallization was observed to occur at a higher rate and at a lower initiation temperature of 277 °C in sheet rolled from the original smaller 10 kg cast of material compared to the higher temperature of 285 °C in sheet from a second larger 60 kg cast. In-situ back scattered scans of both alloys microstructures were observed to be near identical to bulk back scattered scans taken from samples recrystallized externally, validating the accuracy of the observed results.