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Developing pulse phase thermography as a characterisation tool for grossly sculpted surfaces

Developing pulse phase thermography as a characterisation tool for grossly sculpted surfaces
Developing pulse phase thermography as a characterisation tool for grossly sculpted surfaces
This paper presents the capabilities of a novel direct-writing electron-beam (EB) process and describes some initial work to develop pulse phase thermography (PPT) as a surface characterisation tool for geometrical features sculpted by this process. A concise review of existing rough surface characterisation techniques found no commonly accepted surface characterisation method for such grossly textured surfaces. Consequently, the potential of existing thermal technology and in particular PPT is explored in the context of developing a methodology to characterise the EB sculpted surface features. Initial tests using PPT on blind holes with various depths to simulate gross surface features are reported and used to determine the feasibility of this method for surface feature recognition and measurement. The paper also outlines proposals to extend PPT for protrusions and pits of different heights and depths measurements as a novel step forward to develop a sophisticated quality assessment (QA) tool. Scanning electron microscopy (SEM) and micro computed tomography (CT) are used as a reference to assess the accuracy of the three-dimensional surface topographical results obtained by PPT.
Ang, K.C.
316485c0-def8-4a59-9bbd-0b042aa245a2
Wood, R.J.K.
d9523d31-41a8-459a-8831-70e29ffe8a73
Wang, L.
c50767b1-7474-4094-9b06-4fe64e9fe362
Dulieu-Barton, J.M.
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Dance, B.G.I.
937627c9-5637-4266-9e6b-1044e464a058
Buxton, A.L.
30195c52-16df-461a-95da-443dd50a9eb1
Ang, K.C.
316485c0-def8-4a59-9bbd-0b042aa245a2
Wood, R.J.K.
d9523d31-41a8-459a-8831-70e29ffe8a73
Wang, L.
c50767b1-7474-4094-9b06-4fe64e9fe362
Dulieu-Barton, J.M.
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Dance, B.G.I.
937627c9-5637-4266-9e6b-1044e464a058
Buxton, A.L.
30195c52-16df-461a-95da-443dd50a9eb1

Ang, K.C., Wood, R.J.K., Wang, L., Dulieu-Barton, J.M., Dance, B.G.I. and Buxton, A.L. (2007) Developing pulse phase thermography as a characterisation tool for grossly sculpted surfaces. SUR/FIN 2007 (International Surface Finishing Conference), Cleveland, USA. 13 - 16 Aug 2007. 15 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents the capabilities of a novel direct-writing electron-beam (EB) process and describes some initial work to develop pulse phase thermography (PPT) as a surface characterisation tool for geometrical features sculpted by this process. A concise review of existing rough surface characterisation techniques found no commonly accepted surface characterisation method for such grossly textured surfaces. Consequently, the potential of existing thermal technology and in particular PPT is explored in the context of developing a methodology to characterise the EB sculpted surface features. Initial tests using PPT on blind holes with various depths to simulate gross surface features are reported and used to determine the feasibility of this method for surface feature recognition and measurement. The paper also outlines proposals to extend PPT for protrusions and pits of different heights and depths measurements as a novel step forward to develop a sophisticated quality assessment (QA) tool. Scanning electron microscopy (SEM) and micro computed tomography (CT) are used as a reference to assess the accuracy of the three-dimensional surface topographical results obtained by PPT.

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More information

Published date: 2007
Venue - Dates: SUR/FIN 2007 (International Surface Finishing Conference), Cleveland, USA, 2007-08-13 - 2007-08-16
Organisations: Engineering Mats & Surface Engineerg Gp, Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 49149
URI: http://eprints.soton.ac.uk/id/eprint/49149
PURE UUID: 25df1e1e-e9a9-4a87-8801-679e6ab393c2
ORCID for R.J.K. Wood: ORCID iD orcid.org/0000-0003-0681-9239
ORCID for L. Wang: ORCID iD orcid.org/0000-0002-2894-6784

Catalogue record

Date deposited: 24 Oct 2007
Last modified: 08 Jan 2022 02:55

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Contributors

Author: K.C. Ang
Author: R.J.K. Wood ORCID iD
Author: L. Wang ORCID iD
Author: B.G.I. Dance
Author: A.L. Buxton

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