Selection of powder or wire feedstock material for the laser cladding of Inconel® 625

J. C. Heigel, M. F. Gouge, P. Michaleris, T. A. Palmer

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The selection of the feedstock material form significantly affects the temperature and resulting distortion generated during laser cladding. An experimental investigation is undertaken to characterize the differences in temperature and deformation histories resulting from laser cladding using powder and wire. While both feedstock produce good quality clads, the powder clad is nearly twice as thick as the wire clad. In situ measurements show that the selection of a powder feedstock results in higher temperatures and greater deformation. However, characterization of the final distortion shows that each clad twists the substrate by nearly the same amount. Thermo-mechanical modeling of the process shows that the disparity in laser absorption efficiency is responsible for the variation in temperature between the powder and wire. Simulations of a multi-layer deposition show that although a single wire layer generates lower temperatures and less deformation than a single powder layer, the wire clad will actually produce greater total deformation because two layers are required to achieve the same thickness as the powder clad.

Original languageEnglish (US)
Pages (from-to)357-365
Number of pages9
JournalJournal of Materials Processing Technology
Volume231
DOIs
StatePublished - May 1 2016

Fingerprint

Laser Cladding
Laser cladding
Powder
Powders
Feedstocks
Wire
Temperature
In Situ Measurements
Experimental Investigation
Twist
Multilayer
Absorption
Substrate
Laser
Lasers
Substrates
Modeling

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Computer Science Applications
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

Cite this

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Selection of powder or wire feedstock material for the laser cladding of Inconel® 625. / Heigel, J. C.; Gouge, M. F.; Michaleris, P.; Palmer, T. A.

In: Journal of Materials Processing Technology, Vol. 231, 01.05.2016, p. 357-365.

Research output: Contribution to journalArticle

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