2011
DOI: 10.2478/v10172-011-0023-y
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Influence of Chemical Composition of Nickel Based Superalloy on the Formation of Aluminide Coatings

Abstract: The aim of the present work was to determine the influence of chemical composition of the nickel based superalloy on the thickness and microstructure of aluminide layer obtained in the CVD low activity process. For this purpose cylindrical samples were cut from the rods and castings made of commercially produced nickel superalloys: Inconel 713LC, Inconel 625, Inconel 738LC, Inconel 100, Inconel 718. The surface of the samples was ground up, degreased and cleaned. Than samples were placed in the retort and alum… Show more

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Cited by 41 publications
(16 citation statements)
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“…Figure 3 presents an analysis of the chase composition of the samples after 25, 500 and 1000 hours at temperature 1000ºC oxidation obtained using the XRD method. The samples removed from the furnaces after 25 hours, regardless of the test temperature is dominated by strong reflections Ni 3 Reflections oxide phases are much stronger in a sample after rare remelting than sample after dense remelting. Phase composition of the samples after remelting does not differ from sample as-sprayed only above 500 hours phenomenon appears amorphousness.…”
Section: Resultsmentioning
confidence: 97%
See 1 more Smart Citation
“…Figure 3 presents an analysis of the chase composition of the samples after 25, 500 and 1000 hours at temperature 1000ºC oxidation obtained using the XRD method. The samples removed from the furnaces after 25 hours, regardless of the test temperature is dominated by strong reflections Ni 3 Reflections oxide phases are much stronger in a sample after rare remelting than sample after dense remelting. Phase composition of the samples after remelting does not differ from sample as-sprayed only above 500 hours phenomenon appears amorphousness.…”
Section: Resultsmentioning
confidence: 97%
“…Additionally have a low tendency to form brittle transitions and high resistance to diffusion of alloying layer and the substrate [2][3][4]. MCrAlY type coating is used in order to ensure the heat resistance of components made not only with nickel alloys but also the alloys matrix phase of Ti-Al [5].…”
Section: Introductionmentioning
confidence: 99%
“…The aluminide coating was deposited using the CVD equipment BPXPR0325S manufactured by IonBond company [27][28][29]. The aluminizing process consisted of the following stages: A Tecnai G2 STWIN FEG (200 kV) transmission-scanning electron microscope equipped with High Angle Annular Dark Field (HAADF) detector was used for the microstructure examination.…”
Section: Methodsmentioning
confidence: 99%
“…Temperature in these engines can exceed 1650˚C and metal temperature can reach 1200˚C. TBCs insulate the superalloy, thus allowing engines to work at higher temperature with higher efficiency [4][5][6][7][8]. Oxidation of the bond coat is a primary failure mechanism of commercial TBCs and a potential weak link for improving coatings lifetime.…”
Section: Introductionmentioning
confidence: 99%