The Repair Welding Technology of Casts Magnesium Alloy QE22

Robert Kocurek; Janusz Adamiec

doi:10.4028/www.scientific.net/SSP.212.81

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HomeSolid State PhenomenaSolid State Phenomena Vol. 212The Repair Welding Technology of Casts Magnesium...

The Repair Welding Technology of Casts Magnesium Alloy QE22

Abstract:

Alloys from group Mg-Ag-RE-Zr are characterized by creep resistance up to 200°C, good casting and mechanical properties. Defects of magnesium alloys are propensity to cracks and deformations during heat treatment, low corrosion resistance. Welding technologies are most often use to repair of casts, mainly nonconsumable electrode welding in inert gas cover. About possibility repair or regeneration of magnesium alloy castings by welding depends on their weldability. Weldability of most magnesium alloys is good however, welding and surfacing cast elements create many problems. The purpose of this research work was develop a repair welding technology of casts magnesium alloy. Research project consisted of weldings and padding trials, microstructure and mechanical properties tests. Presented research results in this paper support conclusion that casts alloy QE22 reveal susceptibility to stable connection.

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Periodical:

Solid State Phenomena (Volume 212)

Pages:

81-86

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.212.81

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Cite this paper

Online since:

December 2013

Authors:

Robert Kocurek, Janusz Adamiec

Keywords:

Casting Defects, Casts Magnesium Alloy, Magnesium Welding, QE22, Repair of Casts

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