Residual Stresses of AlSi10Mg Fabricated by Selective Laser Melting (SLM)

• Autorzy: Karolus M. , Maszybrocka J. , Stwora A. , Skrabalak G.

Identyfikatory

DOI

10.24425/amm.2019.129488

• Języki publikacji: EN

Abstrakty

EN

The aim of the paper is the residual stress analysis of AlSi10Mg material fabricated by selective laser melting (SLM). The SLM technique allows to product of complex geometries based on three-dimensional model, in which stiffness and porosity can be precisely designed for specific uses. As the studied material, there were chosen solid samples built in two different directions: parallel (P-L) and perpendicular (P-R) to the tested surface and cellular lattice built in perpendicular direction, as well. In the paper, for the complex characterization of obtained materials, the phase analysis, residual stress and texture studies were performed. The classical non-destructive sin²ψ method was used to measure the residual stress measurements. The final products, both solid sample and cellular lattice, have a homogeneous phase composition and consist of solid solution Al(Si) (Fm-3m) type, Si (Fd-3m) and Mg₂ Si (Pnma). The obtained values of the crystallite size are in a range of 1000 Å for Al(Si), 130-180 Å for Si phase. For Mg₂ Si phase, the crystallite sizes depend on sintering process, they are 800 Å for solid samples and 107 Å for cellular lattice. The residual stress results have the compressive character and they are in a range from –5 to –15 MPa.

Słowa kluczowe

EN

AlSi10Mg alloy; Selective Laser Melting; SLM; XRD; residual stress–sin2ψ method; texture

• 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: 2019
• Tom: Vol. 64, iss. 3
• Strony: 1011--1016
• Opis fizyczny: Bibliogr. 34 poz., rys., tab.

Twórcy

autor

Karolus M.

• University of Silesia, Institute of Materials Science, 1A 75 Pułku Piechoty Str., 41-500 Chorzów, Poland

autor

Maszybrocka J.

• University of Silesia, Institute of Materials Science, 1A 75 Pułku Piechoty Str., 41-500 Chorzów, Poland

autor

Stwora A.

• Institute of Advanced Manufacturing Technology, 37A Wrocławska Str., 30-011 Kraków, Poland

autor

Skrabalak G.

• Institute of Advanced Manufacturing Technology, 37A Wrocławska Str., 30-011 Kraków, Poland

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).