Comparison of Non-destructive Sensing Methods on Surface Created by Waterjet Technology
The article is a response to the lack of information, especially in the area of non-destructive techniques suitable for wide practical application. The article deals with evaluation of the disintegrated material volume removed from the samples by a water jet. The study presents a quantified disintegrated material volume by means of an optical profilometer MicroProf FRT, a digital microscope VHX-5100 and X-ray computed micro-tomograph XT H 225 ST. Based on a comparison of measured data, it is possible to state that the methods of optical profilometer and a digital microscope give us very close volume values. While the values of the volume of removed material analysed by X-Ray μ-CT reach higher its values. After detailed analysis of the individual tomographic cross-sections in area of kerf surface it can be concluded that complex morphology of this surface can explain differences in the results. There are visible some re-entrant features like an overhangs and undercuts at the surface created by high pressure water jet.
KeywordsX-Ray computed tomography Optical profilometer Digital microscope Surface topography Waterjet technology
This article was written within the scope of a project of the Institute of Clean Technologies for Mining and Utilisation of Raw Materials for Energy Use – Sustainability Program, (Reg. No. LO1406). The presented work was also supported by a project for the long-term conceptual development of research organisations RVO: 68145535 and Czech Ministry of Industry and Trade project No. FV30233. The authors are very thankful for the support.
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