Design of experiments approach in AZ31 powder selective laser melting process optimization

• Autorzy: Pawlak A. , Rosienkiewicz M. , Chlebus E.

Identyfikatory

DOI

10.1016/j.acme.2016.07.007

• Języki publikacji: EN

Abstrakty

EN

Additive manufacturing (AM) technologies are used to produce objects from a wide variety of materials. Technologies that enable processing of metal engineering materials such as selective laser melting have become particularly important. The group of materials processed in this technology comprises stainless steel, CoCr, titanium and aluminum alloys and is continuously expanding to include new materials. The results of studies into AZ31 magnesium powder selective laser melting process optimization are presented in this paper. Optimization was aimed at minimizing the melted material porosity and determining the influence of and correlations between the analyzed process parameters. Design of experiments (DOE) approach was used, specifically full factorial design for three factors and rotatable design for two factors. Satisfactory porosity values were obtained in the <0.5% range. The results were used to prepare a mathematical model for the resulting porosity depending on the parameters used. Additionally, it was shown that information on linear energy density and scan velocity is not sufficient to describe the SLM process, and that it is necessary to provide detailed values of component parameters.

Słowa kluczowe

EN

selective laser melting; magnesium alloy; design of experiments; additive manufacturing; process optimization

PL

optymalizacja procesu; stopy magnezu; eksperyment

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2017
• Tom: Vol. 17, no. 1
• Strony: 9--18
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wykr.

Twórcy

autor

Pawlak A.

• Centre for Advanced Manufacturing Technologies CAMT, Faculty of Mechanical Engineering, Wroclaw University of Technology, Wroclaw, Poland

autor

Rosienkiewicz M.

• Centre for Advanced Manufacturing Technologies CAMT, Faculty of Mechanical Engineering, Wroclaw University of Technology, Wroclaw, Poland

autor

Chlebus E.

• Centre for Advanced Manufacturing Technologies CAMT, Faculty of Mechanical Engineering, Wroclaw University of Technology, Wroclaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)