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INVESTIGATION OF THE INFLUENCE OF SELECTIVE LASER MELTING PARAMETRES ON THE STRUCTURE AND MECHANICAL PROPERTIES OF Al-Ce-Fe-Ni-Zr ALLOY
- Authors: Ponkratova Y.Y.1, Bazaleeva K.O1, Atanova A.V1, Binkov I.I2
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Affiliations:
- People's Friendship University of Russia named after Patrice Lumumba
- Bauman Moscow State Technical University
- Issue: No 5 (2025)
- Pages: 26–32
- Section: Articles
- URL: https://journals.rcsi.science/0869-5733/article/view/355843
- DOI: https://doi.org/10.31857/S0869573325052632
- ID: 355843
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Abstract
Samples of Al-Ce-Fe-Ni-Zr alloy were obtained by selective laser melting at scanning speeds of 700–1900 mm/s. The structure of the samples is eutectic: a solid solution based on aluminum is located inside intermetallic cells. A coarser eutectic structure with coarser cells is observed at the cell boundary. The microhardness of the samples was HV0,1 = 115–170, the tensile strength was 370–475 MPa, and the ductility was 10–23%. Residual thermal stresses <250 MPa were observed in the samples. An increase in energy density contributed to a decrease in strength characteristics, an increase in elongation, and a decrease in residual stress.
About the authors
Yu. Yu Ponkratova
People's Friendship University of Russia named after Patrice Lumumba
Email: ponkratova-yuyu@pfur.ru
Moscow, Russia
K. O Bazaleeva
People's Friendship University of Russia named after Patrice LumumbaMoscow, Russia
A. V Atanova
People's Friendship University of Russia named after Patrice LumumbaMoscow, Russia
I. I Binkov
Bauman Moscow State Technical UniversityMoscow, Russia
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