Determination of the service life of hardfaced components under thermal and cyclic loading

Сенченков, И. К.; Chervinko, O. P.; Ryabtsev, I.A.; Babinets, A.A.

doi:10.1080/09507116.2013.796661

Cited by 4 publications

(3 citation statements)

References 2 publications

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“…Загальновідомо, що методи наплавлення знайшли широке застосування як при виготовленні нових, так і при ремонті зношених деталей [10], через те що вони дозволяють значно підвищити їхню довговічність за рахунок наплавлення різних за складом шарів, які відрізняються від основного металу своїми фізико-хімічними властивостями [18,19]. Крім того, наплавлення дозволяє досягти значно більш високої міцності з'єднання основного і наплавленого металів, ніж при нанесенні газотермічних покриттів.…”

Section: науково-технічний розділunclassified

Problems and prospects of surfacing copper and copper parts by wear-resistant layers (Review)

Babinets¹,

Ryabtsev²,

Lentyugov³

et al. 2020

Avtom. svarka (Kiev)

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На підставі результатів літературного аналізу показана перспективність використання методів електродугового і плазмово-порошкового наплавлення для підвищення зносостійкості деталей з міді. Проведено вибір перспективних матеріалів для наплавлення зносостійких шарів на мідні поверхні даними методами. Виконана порівняльна оцінка фізико-механічних властивостей міді та основних легуючих елементів перспективних матеріалів для наплавлення. Бібліогр. 31, табл. 1, рис. 6.

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Section: науково-технічний розділunclassified

Problems and prospects of surfacing copper and copper parts by wear-resistant layers (Review)

Babinets¹,

Ryabtsev²,

Lentyugov³

et al. 2020

Avtom. svarka (Kiev)

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“…The production of new and the repair of worn elements involves the use of various surfacing methods. Surfacing not only makes it possible to increase the service life of a given element but also provides the high strength of joints of the base material and filler metal [18,19]. The surfacing of steel with copper and copper alloys is not accompanied by any specific problems.…”

Section: Introductionmentioning

confidence: 99%

Hardfacing of Copper

Babinets¹,

Ryabtsev²,

Ryabtsev³

et al. 2020

eBIS

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The article discusses the primary issues of the hardfacing of copper elements exposed to intense abrasive wear, gas-abrasive wear at high temperature and in contact with liquid metal. In addition, the article presents test results concerning the surfacing of copper grade M1 performed using a self-shielded flux-cored wire providing weld deposit Fe14 and plasma powder surfacing performed using powder providing weld deposit Ni3 (in accordance with EN 14700).

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“…Five layers as minimum should be surfaced, if machining of part is necessary after surfacing. The problem becomes more complicated due to the fact that rise of thickness of the deposited layer promotes for growth of residual shearing stresses and, simultaneously, increases the possibility of appearance in the deposited layer of different type defects, which reduce its service properties, including fatigue life under cyclic loading [2,3]. Thus, one of the most important characteristics for surfacing is a portion of base metal (PBM) in the deposited metal proportional to base metal penetration other things equal.…”

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confidence: 99%

Effect of electric parameters of arc surfacing using flux-cored wire on process stability and base metal penetration

Lankin¹,

Ryabtsev²,

Soloviov³

et al. 2014

The Paton Welding J.

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Effect of electric parameters of arc surfacing using self-shielding flux-cored wires on process stability and base metal penetration was investigated. The experiments were carried out with computer registration of electric parameters of surfacing. The results of oscillogram processing were used for plotting of Iw and Uw diagrams with outlined areas of stable process of surfacing, short circuits and arc extinctions. Coefficient of process instability γ was derived from received real parameters of arc surfacing using flux-cored wire. It is determined that voltage has the largest effect on stability indices and its rise improves process stability. Effect of modes of surfacing on penetration and portion of base metal in the deposited metal was investigated. 3D chart was plotted on estimation results. An area of optimum modes, providing sufficient stability of the process at minimum penetration and good formation of deposited beads, is outlined. K e y w o r d s : arc surfacing, flux-cored wire, stability of surfacing process, instability coefficient, base metal penetration, portion of base metalNecessary composition of the deposited metal in multilayer arc surfacing can be obtained only in the third or fourth layer [1] due to its mixing with the base metal. Five layers as minimum should be surfaced, if machining of part is necessary after surfacing. The problem becomes more complicated due to the fact that rise of thickness of the deposited layer promotes for growth of residual shearing stresses and, simultaneously, increases the possibility of appearance in the deposited layer of different type defects, which reduce its service properties, including fatigue life under cyclic loading [2,3]. Thus, one of the most important characteristics for surfacing is a portion of base metal (PBM) in the deposited metal proportional to base metal penetration other things equal. Reduction of the base metal penetration not only decreases consumption of expensive consumables, but improves quality and service properties of the parts to be surfaced.Aim of the present work is a study of effect of electric parameters of flux-cored arc surfacing, in particular, stability of these indices on characteristics of the base metal penetration.Consumables and equipment. Self-shielding flux-cored wire PP-AN130 was used for investigations. It provides for production of surfaced metal of tool steel 25Kh5FMS type. Gas-slagforming system of the flux-cored wire, which would provide the best welding-technological properties, was preliminary selected. Four selfshielding flux-cored wires PP-AN130 of 2 mm diameter having different systems of gas-slagforming components, namely СаO + TiO 2 + MgO + CaF 2 + Al 2 O 3 (wire with reference designation PP-AN130-1); СаO + MgO + CaF 2 + Al 2 O 3 (PP-AN130-2); СаO + CaF 2 + Al 2 O 3 (PP-AN130-3); СаO + CaF 2 + Al 2 O 3 + starch (PP-AN130-4), were manufactured for this purpose.Expert estimation (5 examiners) of the welding-technological properties of all four wire types (nature of metal transfer, slag coating of the ...

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Determination of the service life of hardfaced components under thermal and cyclic loading

Cited by 4 publications

References 2 publications

Problems and prospects of surfacing copper and copper parts by wear-resistant layers (Review)

Problems and prospects of surfacing copper and copper parts by wear-resistant layers (Review)

Hardfacing of Copper

Effect of electric parameters of arc surfacing using flux-cored wire on process stability and base metal penetration

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