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X-ray tomography studies on porosity and particle size distribution in cast in-situ Al-Cu-TiB2 semi-solid forged composites
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Mathew, James, Mandal, Animesh, Warnett, Jason M., Williams, Mark A., Chakraborty, M. and Srirangam, Prakash (2016) X-ray tomography studies on porosity and particle size distribution in cast in-situ Al-Cu-TiB2 semi-solid forged composites. Materials Characterization, 118 . pp. 57-64. doi:10.1016/j.matchar.2016.05.010 ISSN 1044-5803.
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WRAP_XCT of porosity and particle distribution in Al-TiB2 MMC_ Materials Characterisation 2016 Accepted manuscript.pdf - Accepted Version - Requires a PDF viewer. Download (2407Kb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.matchar.2016.05.010
Abstract
X-ray computed tomography (XCT) was used to characterise the internal microstructure and clustering behaviour of TiB2 particles in in-situ processed Al-Cu metal matrix composites prepared by casting method. Forging was used in semi-solid state to reduce the porosity and to uniformly disperse TiB2 particles in the composite. Quantification of porosity and clustering of TiB2 particles was evaluated for different forging reductions (30% and 50% reductions) and compared with an as- cast sample using XCT. Results show that the porosity content was decreased by about 40% due to semi-solid forging as compared to the as-cast condition. Further, XCT results show that the 30% forging reduction resulted in greater uniformity in distribution of TiB2 particles within the composite compared to as-cast and the 50% forge reduction in semi-solid state. These results show that the application of forging in semi-solid state enhances particle distribution and reduces porosity
formation in cast in-situ Al-Cu-TiB2 metal matrix composites.
Item Type: | Journal Article | ||||||||||
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Subjects: | T Technology > TN Mining engineering. Metallurgy | ||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||
Library of Congress Subject Headings (LCSH): | Tomography, Forging, Metallic composites, Porosity | ||||||||||
Journal or Publication Title: | Materials Characterization | ||||||||||
Publisher: | Elsevier | ||||||||||
ISSN: | 1044-5803 | ||||||||||
Official Date: | August 2016 | ||||||||||
Dates: |
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Volume: | 118 | ||||||||||
Page Range: | pp. 57-64 | ||||||||||
DOI: | 10.1016/j.matchar.2016.05.010 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||
Date of first compliant deposit: | 16 May 2016 | ||||||||||
Date of first compliant Open Access: | 16 May 2017 | ||||||||||
Funder: | UK-India Education Research Initiative (UKIERI) , Warwick Manufacturing Group | ||||||||||
Adapted As: |
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