Laser additive manufacturing of Monel K500 – Processing map development

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Authors
  1. Munro, C.
  2. Smiley, H.
Corporate Authors
Defence Research and Development Canada, Atlantic Research Centre, Halifax NS (CAN)
Abstract
Laser additive manufacturing (LAM) of Monel K500, a high-strength, corrosion-resistant marine alloy, has been investigated using the recently installed system at FMF Cape Scott. The aim of this study was to understand how the processing parameters that can be chosen for this LAM system affect the resulting bead geometry for this material. Other researchers have found that these relationships are strongly dependent on the combination of system and powder used, and so they must be developed for each specific case instead of taken from the literature. To develop these relationships, beads were deposited using a variety of processing parameters and then measured for their geometric characteristics. A statistical analysis of these measurements then generated empirical equations relating the processing parameters to each of the geometric features of interest. Based on the ideal bead geometry these equations were applied to create a set of processing maps, which can be used by the LAM system operator to select combinations of processing parameters that are expected to result in sound manufactured components using the Monel K500 powder.

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Keywords
laser additive manufacturing;processing maps;Monel K500
Report Number
DRDC-RDDC-2015-R104 — Scientific Report
Date of publication
01 Jun 2015
Number of Pages
62
DSTKIM No
CA041261
CANDIS No
802297
Format(s):
Electronic Document(PDF)

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