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    Solutions for Metal Additive Manufacturing 

    ESI has developed a complete suite of tools addressing heat source/feed stock interaction to identify manufacturing defects and residual stresses. The solution offers distortion tools that reliably and efficiently predict the workpiece behavior during the build process and after its release from the base plate. The tools are integrated in a unified Integrated Computational Material Engineering platform (ICME): ESI Additive Manufacturing.

    ESI Additive Manufacturing offers computational modules for:

    • Process window pre-scanning tool
    • Powder coating
    • Melt pool shape and dimensions
    • Consolidated material porosity
    • Surface roughness
    • Thermal history as a function of deposition strategy
    • Residual stresses
    • Distortion during build process and after release

    A typical result of a powder scale model shows the melting of a single hatch where one half of the upper surface is hidden to show how bubbles behave in the highly dynamic melt pool. It is evident that gas is trapped by the molten material and cannot escape prior to the material solidification. The level of porosity remaining at the end of the simulation can be quantified, as well as surface roughness.

    Powder melting. At the end of the animation, porosity bubbles can be seen and the surface roughness can be quantified.

    At workpiece scale, models were applied to several components, manufactured using powder bed fusion (smaller complex shapes) and direct energy deposition (large AM parts).

    Nacelle Hinge manufactured using powder bed fusion – Courtesy: Bombardier Aerostructures & Engineering Services / AMAZE FP7

    Wing spar manufactured using direct energy deposition – Courtesy: BAE Systems and Norsk Titanium / AMAZE FP7

    Read more about the verification and validation studies ESI Additive Manufacturing modules have undergone, and find a list of relevant publications. 

    ESI is also contributing towards the EMUSIC project focused on developing manufacturing process identified in the call for components specified by aerospace companies both in China and in the EU.

    Contact us to learn more about ESI Solutions for Additive Manufacturing.

    技术文章

    • Modelling & Validation of Blown Powder in Additive Manufacturing Processes
    • Verification Of Numerically Calculated Cooling Rates Of Powder Bed Additive Manufacturing
    • Powder Bed Models - Numerical Assessment of As-Built Quality
    • DMLS Process Modelling & Validation
    • Powder Bed Process Modelling & Validation
    • A Coupled Approach To Weld Pool, Phase And Residual Stress Modelling Of Laser Direct Metal Deposition (LDMD) Processes
    More ...

    近期活动

    • JEC World 2021
      JEC World 2021
      三月 9, 2021

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    Page URL:
    https://cn.esi-group.com/software-solutions/virtual-manufacturing/additive-manufacturing/esi-additive-manufacturing
    Permanent link to the page:
    https://cn.esi-group.com/node/6367
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