Effect of the Fractional Composition of Filler Powder and Parameters of Laser Coaxial Surfacing on Formation of Beads

Noskov, A.I.; Yanbaev, R. M.; Shamsrakhmanov, T. M.; Mannanov, I. A.; Kadyrov, Ilkhom

doi:10.1007/s11041-017-0173-2

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“…The trade dress of laser building up complex To get such parameters as fine-grained structure; high adhesive hardness; quality build-up layer with high technological properties the researches aimed to the choice of optimal fraction of fusionbonded metallurgical dust were made. [1] Given the composition and properties of the base material, the following surfacing composition was chosen to restore the worn surface layer PR-20Cr13Ni2:PR-НCr15SiB2 at a ration of 3:1constituting self fluxing powder composition with the fraction size 40-100 µ.…”

Section: Equipment and Materialsmentioning

confidence: 99%

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Development of Technology of Robotized Laser Welding of Thin Wall Products from Heat-Resistant Alloys

Krylova

Zavyalov²,

Goltapin

2020

MSF

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Results of the developed industrial technology of restoration of a surface corrosion-resistant staly are presented by method of laser building up. The comparative analysis of a microstructure of the built-up wearproof layer, an alloyage zone with material of a basis and diffusive zone at the different technological modes of building up is given. Influence of morphology of particles of additive powder on parametrical characteristics of the roller received by laser gas powder building up is investigated. The optimum modes of building up on a substrate from steel 12Cr18Ni10Ti are set. Tests for firmness against intercrystalline corrosion of the built-up powder compositions are executed by the AM method. Metalgraphic assessment of corrosion resistance is presented.

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Section: Equipment and Materialsmentioning

confidence: 99%

“…It is known that the quality of the coating substantially depends on the properties of the filler material. [1,2] Therefore, the assessment of the influence of the size of the part of the filler powder on the formation and geometrical parameters of the roller formed in the process of surfacing is of certain practical interest.…”

Section: Equipment and Materialsmentioning

confidence: 99%