2007
DOI: 10.26628/ps.v79i1.330
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Napawanie stali stosowanych w energetyce stopami na osnowie niklu

Abstract: W artykule omówiono ogólne wymagania dotyczące wy twarzania ścian szczelnych kotłów do spalania odpadów. Przedstawiono technologię montażowego wykonywania napoin na ścianach oraz sposób pomiaru zawartości żelaza w napoinach. Opracowana technologia gwarantowała uzyskanie założonego poziomu Fe<10%. ABS TRACTGeneral requirements relating to manufacturing of sheet piling of boilers for wastes combustion was presented. The technology of carrying out pad welds upon walls and measurement method of iron content in the… Show more

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Cited by 3 publications
(5 citation statements)
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“…Presently, the service life of such elements is increased by the surfacing of layers of nickel alloys, particularly having the composition of alloy Inconel 625, providing appropriate creep resistance at high temperature and corrosion resistance in the aggressive environment of fluorides and chlorides. Presently used surfacing methods include gas-shielded metal arc surfacing (using pulsed current and the low-energy CMT method), plasma-powder surfacing, laser surfacing and non-consumable electrode inert gas surfacing (TIG) [1][2][3][4][5][6][7][8][9][10][11][12][13].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Presently, the service life of such elements is increased by the surfacing of layers of nickel alloys, particularly having the composition of alloy Inconel 625, providing appropriate creep resistance at high temperature and corrosion resistance in the aggressive environment of fluorides and chlorides. Presently used surfacing methods include gas-shielded metal arc surfacing (using pulsed current and the low-energy CMT method), plasma-powder surfacing, laser surfacing and non-consumable electrode inert gas surfacing (TIG) [1][2][3][4][5][6][7][8][9][10][11][12][13].…”
Section: Introductionmentioning
confidence: 99%
“…Iron content higher than that mentioned above reduces corrosion resistance, whereas an excessive thickness increases both the weight of structures and the costs of surfacing processes. In turn, the microsegregations of elements, particularly Nb and Mo, cause the formation of intermetallic phases decreasing the corrosion resistance of overlay welds [2,3,7,8].…”
Section: Introductionmentioning
confidence: 99%
“…Exemplary special requirements are the following: -requirements concerning the chemical composition of nickel-surfaced layers (having a specified thickness) of walls of gas-tight waste incineration boilers: the content of iron determined on the overlay weld surface should not exceed 6% in relation to overlay welds made automatically and 10% as regards overlay welds made manually [7]; -requirements concerning the minimum qualified thickness of a hard surfaced layer (test thickness according to item 7. ).…”
Section: Imperfections In Relation To Special Requirementsmentioning
confidence: 99%
“…Iron content higher than that mentioned above reduces corrosion resistance, whereas an excessive thickness increases both the weight of structures and the costs of surfacing processes. In turn, the microsegregations of elements, particularly Nb and Mo, trigger the formation of intermetallic phases decreasing the corrosion resistance of overlay welds [2,3,7,8,10].…”
Section: Introductionmentioning
confidence: 99%
“…Presently, the service life of such elements is increased by the surfacing of layers of nickel alloys, particularly having the composition of alloy Inconel 625, providing appropriate creep resistance at high temperature and corrosion resistance in the aggressive environment of fluorides and chlorides. Presently used surfacing methods include gas-shielded metal arc surfacing (using pulsed current and the low-energy CMT method), plasma-powder surfacing, laser surfacing and non-consumable electrode inert gas surfacing (TIG) [1][2][3][4][5][6][7][8][9][10][11].…”
Section: Introductionmentioning
confidence: 99%