Essays about: "Powder bed fusion"

Showing result 1 - 5 of 8 essays containing the words Powder bed fusion.

  1. 1. Crucial Parameters for Additive Manufacturing of Metals : A Study in Quality Improvement

    University essay from KTH/Skolan för industriell teknik och management (ITM); KTH/Skolan för industriell teknik och management (ITM); KTH/Skolan för industriell teknik och management (ITM)

    Author : Lina Berglund; Filip Ivarsson; Marcus Rostmark; [2019]
    Keywords : Additive manufacturing; Production parameters; Sandvik; Quality improvement; Selective laser melting; Powder bed fusion; Process control;

    Abstract : Production by Additive Manufacturing creates opportunities to make customized products in small batches with less material than in traditional manufacturing. It is more sustainable and suitable for niche products, but entails new production demands to ensure quality. READ MORE

  2. 2. EB-PBF additive manufacturing of Alloy 718 : Effect of shot peening on surface characteristics and high temperature corrosion performance

    University essay from Högskolan Väst/Avdelningen för Industriell ekonomi, Elektro- och Maskinteknik

    Author : Venkataramanan Mohandass; [2019]
    Keywords : Alloy 718; additive manufacturing; electron beam-powder bed fusion; surface engineering; shot peening; high temperature corrosion;

    Abstract : There is an upsurge of research interest on Alloy 718 additively manufactured (AM) by electron beam powder bed fusion (EB-PBF) technique in aero and land-based gas turbine engines. However, the surface quality of the manufactured components has always been a major challenge. READ MORE

  3. 3. Electron Beam - Powder Bed Fusion Of Alloy 718 : Influences Of Contour Parameters On Surface And Microstructural Characteristics

    University essay from Högskolan Väst/Avdelningen för Industriell ekonomi, Elektro- och Maskinteknik

    Author : Christopher Schnur; [2019]
    Keywords : EB-PBF; Alloy 718; surface roughness; dimensions; defects; microstructure; EB-PBF; Alloy 718; ytsträvhet; dimensioner; defekter; mikrostruktur;

    Abstract : Additive Manufacturing (AM) is an uprising manufacturing process for parts with complex geometries and low production quantities. Within the layer-wise building process, less additional processes are needed, to produce the parts. This allows a building of parts within a reasonable time- and costs-range. READ MORE

  4. 4. Modelling and Control of Heat Distribution in a Powder Bed Fusion 3D Printer

    University essay from Linköpings universitet/Reglerteknik; Linköpings universitet/Reglerteknik

    Author : Jonathan Hanses; Morten Eriksson; [2019]
    Keywords : Control; Modelling; 3D printer; PBF; Heat Distribution;

    Abstract : This thesis report describes how to improve the control of the temperature in a Powder Bed Fusion 3D printer. This is accomplished by first creating a model ofthe thermal system. To create a good model, both black-box and grey-box models of the system are estimated and compared. READ MORE

  5. 5. Effect of Beam Scan Length on Microstructure Characteristics of EBM Manufactured Alloy 718

    University essay from KTH/Materialvetenskap

    Author : Bengt Gustavsson; [2018]
    Keywords : EBM; Electron Beam Melting; Alloy718; AM; Additive Manufacturing;

    Abstract : Additive Manufacturing (AM) as a method is on the rise and allow for a high freedom to create unique shapes without being limited by conventional machining methods. The Electron Beam Melting method, developed by Arcam AB in Mölndal, Sweden, use Powder Bed Fusion together with an electron beam and at an elevated temperature (+1000ºC) to lower stress due to thermal gradients. READ MORE