Abrasive wear resistance of robotized GMA surfaced cermetal deposits

• Autorzy: Klimpel A. , Lisiecki A. , Klimpel A. S. , Rzeźnikiewicz A.
• Języki publikacji: EN

Abstrakty

EN

Purpose: of this paper: Study of abrasive wear resistance of robotized GMA surfaced cermetal deposits. The one-, two-and three layers stringer bead and weave bead deposits were surfaced by a metal-cored wire. Design/methodology/approach: The study were based on the analysis of deposits dilution, structure, measurements of hardness and microhardness, determination of WC carbide morphology and abrasive wear resistance type metal-ceramic according to ASTM G65. Findings: It was found that robotized GMA surfacing process with EnDOtec DO*11 wire of diameter 1,6 [mm], with oscillation of the welding torch, can be applied for producing high quality of deposits in a wide range of surfacing parameters especially heat input. The abrasive wear resistance of stringer bead deposits is significantly higher compared with weave bead deposits. The weave bead deposits are free of transverse cracks, contrary to stringer beads. This phenomenon can be explained by different thermal stresses in the deposits. Research limitations/implications: It was found that further investigations and detailed studies are required to identify the mechanism of deposit shaping, especially the control of dilution, shape of fusion zone and penetration depth, depending on parameters of surfacing and the trajectory and parameters of oscillation of the surfacing GMA torch. Practical implications: The technology can be applied for wear plates manufacturing . Originality/value: Improve of the wear resistance of wear plates.

Słowa kluczowe

EN

welding; GMA; surfacing; cermetal deposit

PL

spawanie; GMA; napawanie

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2007
• Tom: Vol. 28, nr 9
• Strony: 565--572
• Opis fizyczny: Bibliogr. 15 poz., il., wykr.

Twórcy

autor

Klimpel A.

autor

Lisiecki A.

autor

Klimpel A. S.

autor

Rzeźnikiewicz A.

• Welding Department, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland,

Bibliografia

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