Development of the technology of reconditioning the sealing element of nozzle blade sector from difficult-to-weld high-temperature nickel alloy of ZhS6 type by microplasma powder surfacing

Yushchenko, K. A.; Yarovitsyn, O.V.; Nakonechnyi, O.O.; Volosatov, I.R.; Fomakin, O.O.; Khrushchov, G.D.

doi:10.37434/tpwj2020.11.05

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“…There are various ways to restore the geometry of a GTE blade [2][3][4]. Arc welding is a popular method that was described by I.A.…”

Section: Introductionmentioning

confidence: 99%

Using VPr11-40N Brazing Powder as a Wear-Resistant Cladding for GTE Blade Airfoils

Klimov¹,

Жаткин

Kogteva³

2018

SSP

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This paper dwells upon using the VPr11-40N high-temperature brazing powder as a cladding applied by a laser to restore the height of the airfoil of a turbostarter blade in an NK-12MP turboprop, while also making the edge more wear-resistant. It has been found out that laser cladding generates a highly homogeneous structure with lesser gradient of hardness over the clad area compared to furnace brazing. Abrasive-wear tests have shown that this braze resists abrasive wear better than the blade substrate material (superalloy JS6К heat-resistant intermetallic alloy).

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“…There are various ways to restore the geometry of a GTE blade [2][3][4]. Arc welding is a popular method that was described by I.A.…”

Section: Introductionmentioning

confidence: 99%