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Abstract

Evolutions in Mechanical Engineering

The Potential of IR Pyrometry for Monitoring Interpass Temperature in Wire + Arc Additive Manufacturing

  • Open or CloseLeandro João da Silva1,2, Ruham Pablo Reis1 and Américo Scotti1,3

    1Federal University of Uberlândia (UFU), Laprosolda - Center for Research and Development of Welding Processes, Uberlândia, MG, Brazil

    2SENAI Innovation Institute for Manufacturing Systems and Laser Processing, Joinville, SC, Brazil

    3Högström Väst (University West), Department of Engineering Science, Production Technology West, Division of Welding Technology, Trollhättan, Sweden

    *Corresponding author: Americo Scotti, Högström Väst (University West), Sweden, Email: americo.scotti@hv.se

Submission: July 30, 2019; Published: September 24, 2019

DOI: 10.31031/EME.2019.03.000553

ISSN: 2640-9690
Volume3 Issue1

Abstract

Regarding interpass temperature in Additive Manufacturing, the present work aims at presenting and discussing IR pyrometry as applied to Wire+Arc Additive Manufacturing. The importance, different concepts and approaches for measuring interpass temperature are introduced and discussed. The advantages and setbacks of IR pyrometry in comparison with other techniques are presented. Based on experimental results and by using potential solutions for emissivity determination and mitigation of interferences from arc/pool radiations, it is shown that IR pyrometry can be considered as a feasible technique for non-contact interpass temperature measurement with high spatial resolution (small spot size), with promising potentials towards control implementation.

Keywords: Additive Manufacturing; Directed Energy Deposition; WAAM; Interpass temperature; Pyrometry

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