The effects of laser cleaning process on geometrical microstructure of cementitious composites

Agnieszka J. Klemm, Poologanathan Sanjeevan, Piotr Klemm

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The paper presents part of the larger study on laser cleaning process. A special emphasis is placed on the modification of geometrical microstructure of cementitious composites resulting from cleaning process. A wide range of samples characterised with different internal microstructures, surface roughness, and moisture content were subjected to laser cleaning process, and a subsequent assessment. Removal of mortar, cracks and glassy patches were the characteristic features of all laser-cleaned areas. Systematic analysis of surface modifications resulting from laser cleaning confirmed a strong relationship between initial roughness of surfaces and their end conditions. An increase in initial surface roughness leads to more pronounced alterations in roughness and reduced tendency towards crack formation.

Original languageEnglish
Title of host publicationBrittle Matrix Composites 9
EditorsA.M. Brandt, J. Olek, I.H. Marshall
PublisherWoodhead Publishing Limited
Pages323-334
Number of pages12
ISBN (Print)9781845697754
Publication statusPublished - Jan 2009

Keywords

  • laser cleaning
  • cementitious composite
  • construction materials

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    Klemm, A. J., Sanjeevan, P., & Klemm, P. (2009). The effects of laser cleaning process on geometrical microstructure of cementitious composites. In A. M. Brandt, J. Olek, & I. H. Marshall (Eds.), Brittle Matrix Composites 9 (pp. 323-334). Woodhead Publishing Limited. http://researchonline.gcu.ac.uk/bne/195