Issue 1, 2013
From the journal:

Journal of Analytical Atomic Spectrometry

Effect of surface morphology changes of Ti-6Al-4V alloy modified by laser treatment on GDOES elemental depth profiles†

Igor S. Molchan,*a   Sundar Marimuthu,b   Abdeslam Mhich,a   Zhu Liu,a   Teruo Hashimoto,a   George E. Thompson,a   David Whitehead,b   Zengbo B. Wang,b   Paul Mativenga,b   Lin Li,b   Clive Grafton-Reed,c   Ian H. Leaver,d   Simon Cheethamd  and  Steve Dilworthd  

* Corresponding authors

a Corrosion and Protection Centre, School of Materials, The University of Manchester, The Mill, Sackville St., Manchester, UK
E-mail: igor.molchan@manchester.ac.uk

b Laser Processing Research Centre, School of Mechanical, Aerospace and Civil Engineering, The University of Manchester, Manchester, UK

c Rolls-Royce plc, PO Box 31, Derby, UK

d BAE Systems (Operations) Limited, Farnborough, Hants, UK

Abstract

An aerospace grade Ti-6Al-4V alloy, treated by an excimer laser, has been analysed by elemental depth profiling using glow discharge optical emission spectrometry (GDOES). Laser exposure may modify the surface morphology of the alloy due to melting and generation of microcracks. Melting reduces the roughness over an area of 1 × 1 μm, whereas the roughness over an area of 100 × 100 μm increases. The influence of such modification of the surface morphology on changes in the shapes of the GDOES elemental depth profiles is discussed.

Graphical abstract: Effect of surface morphology changes of Ti-6Al-4V alloy modified by laser treatment on GDOES elemental depth profiles

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Article information

DOI
https://doi.org/10.1039/C2JA30186E
Article type
Technical Note
Submitted
21 Jun 2012
Accepted
02 Nov 2012
First published
02 Nov 2012

J. Anal. At. Spectrom., 2013,28, 150-155

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Effect of surface morphology changes of Ti-6Al-4V alloy modified by laser treatment on GDOES elemental depth profiles

I. S. Molchan, S. Marimuthu, A. Mhich, Z. Liu, T. Hashimoto, G. E. Thompson, D. Whitehead, Z. B. Wang, P. Mativenga, L. Li, C. Grafton-Reed, I. H. Leaver, S. Cheetham and S. Dilworth, J. Anal. At. Spectrom., 2013, 28, 150 DOI: 10.1039/C2JA30186E

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