Particle Size Estimation of Powder with Refractory Additives for Plasma Surfacing

Кычкин, А. К.; Gavrilieva, A. A.

doi:10.3103/s1068798x1911011x

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“…The work [Bock 2019] provides a review of the literature on the determination of nonmetallic inclusions in metal alloys by atomic emission spectroscopy with single spark recording of spectra. In the study [Kychkin 2019], the role of local austenite zones in the near-surface layers of austenite-martensitic metal of deposited beads on the development of corrosion processes along the boundaries of austenite grains was shown. Moreover, this effect was observed both in conventional methods of arc surfacing with flux-cored wire and in pulsed-arc surfacing, although in the latter case, the metal is formed with less structural micro-inhomogeneity.…”

Section: Introductionmentioning

confidence: 99%

Influence of Non-Metallic Inclusions on the Corrosion Resistance of Stainless Steels in Arc Surfacing

Pandová¹,

Макаренко²,

MITROFANOV³

et al. 2021

MM SJ

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The influence of non-metallic inclusions on the corrosion resistance of stainless steel of the austenitic-martensitic class, deposited in one layer with flux-cored wire under the flux by the arc method in the mode of stationary and pulsed arc burning, has been studied. In the latter case, the wire feed impulse was 0.5 and 0.7 Hz. The selected surfacing conditions, with both methods of the process, contribute to the formation of non-metallic inclusions of complex composition and structure in the deposited metal, including those containing calcium and its compounds with other elements, which are classified as corrosive, accelerating the occurrence of corrosion phenomena.

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Section: Introductionmentioning

confidence: 99%