Effect of Sc Addition on the Microstructure and Mechanical Properties of Melt-Spun Al-10Ni Alloys

• Autorzy: Kilicaslan M. F. , Karakose E.

Identyfikatory

DOI

10.24425/118976

• Języki publikacji: EN

Abstrakty

EN

In the present work, rapidly solidified Al-10Ni-XSc (X = 0, 1 and 2) alloys were fabricated by melt spinning under Ar atmosphere. The Effects of Sc on the microstructural and thermal properties and microhardness values were investigated by scanning electron microscopy (SEM), X-ray diffractometer (XRD) and a Vickers microhardness tester. Experimental results revealed that the addition of 2 wt. % Sc to melt-spun Al-10Ni alloys changed their brittle nature and hindered formation of cracks. The addition of Sc to melt-spun Al-10Ni alloys also changed the morphology of Al₃ Ni intermetallics from an acicular/needle – like to a rounded particle-like structure and led to reduction in their size. Formation of the metastable Al₉ Ni₂ phase was observed due to the higher constitutional undercooling caused by Sc addition. A considerable improvement in microhardness value (from 95. 9 to 230. 1 HV) was observed with the addition of Sc.

Słowa kluczowe

EN

Al-Ni-Sc alloys; microstructure; melt spinning; microhardness

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 2
• Strony: 575--579
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Kilicaslan M. F.

• Kastamonu University, Faculty of Engineering, Department of Materials Science and Nanotechnology Engineering, 37150 Kastamonu, Turkey

autor

Karakose E.

• Erciyes University, Kayseri Vocational School, Department of Automotive Technology, 38039 Kayseri, Turkey

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).