Comparison of hot wire TIG stellite 6 weld cladding and lost wax cast stellite 6 under corrosive wear conditions

F. Brownlie, C. Anene, T. Hodgkiess, A. Pearson, A.M. Galloway

Research output: Contribution to journalArticle

10 Citations (Scopus)
12 Downloads (Pure)

Abstract

This study compares Hot Wire Tungsten Inert Gas Stellite 6 weld cladding on a low carbon steel substrate with a lost wax cast Stellite 6 in impingement erosion-corrosion conditions. Austenitic stainless steel samples were used as a reference material. Tests were conducted in a closed loop impinged slurry vessel with a jet velocity of 18 m/s with 3.5%NaCl aqueous solution containing 500 µm spherical silica sand particles (0.5 g/l sand concentration). The testing temperature was 40 °C. Mass loss measurements and a volumetric analysis as well as microstructural evaluation were used as post-test analysis techniques. Results showed that weld cladding and lost wax cast Stellite 6 performed better than the stainless steel, with the weld cladding marginally outperforming the lost wax cast technique.
Original languageEnglish
Pages (from-to)71-81
Number of pages11
JournalWear
Volume404-405
Early online date13 Mar 2018
DOIs
Publication statusPublished - 15 Jun 2018

Keywords

  • erosion-corrosion
  • stellite 6
  • impingement

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