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South African Journal of Industrial Engineering

versión On-line ISSN 1012-277X

Resumen

CONRADIE, P.J.T.; OOSTHUIZEN, G.A.; TREURNICHT, N.F.  y  AL SHAALANE, A.. Overview of work piece temperature measurement techniques for machining of Ti6Al4V. S. Afr. J. Ind. Eng. [online]. 2012, vol.23, n.2, pp. 116-130. ISSN 1012-277X.

Ti6Al4V is one of the most widely used titanium alloys in aerospace applications, but its machining remains a challenge. Comprehensive research has been done in the past, mainly investigating tool failure of various materials. Less research has been done to investigate the thermal effect of machining on work piece quality, including fatigue performance. Temperature measurement is considered to be a key enabling technology. This study presents an overview of current temperature measurement techniques for machined and tool surfaces. Two categories of methods were investigated: slower contact, and faster optical methods. Optical fibre two colour pyrometry experiments are reported that demonstrate the technique's adequate response time. The infrared camera temperature measurement experiments synchronised temperature measurement with visual observation, aimed at mechanism analysis. The results corresponded with the literature.

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