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RESIDUAL STRESS IN TI6AL4V OBJECTS PRODUCED BY DIRECT METAL LASER SINTERING

Article scientifique 2016 Anglais

Résumé

Direct Metal Laser Sintering produces 3D objects using a layer-bylayer method in which powder is deposited in thin layers. Laser beam scans over the powder fusing powder particles as well as the previous layer. High-concentration of laser energy input leads to high thermal gradients which induce residual stress within the asbuilt parts. Ti6Al4V (ELI) samples have been manufactured by EOSINT M280 system at prescribed by EOS process-parameters. Residual stresses were measured by XRD method. Microstructure, values and directions of principal stresses inTi6Al4V DMLS samples were analysed.

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Zyl, I., Yadroitsava, I., Yadroitsev, I. (2016). RESIDUAL STRESS IN TI6AL4V OBJECTS PRODUCED BY DIRECT METAL LASER SINTERING. https://doi.org/10.7166/27-4-1468

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Auteur(s)

Ian van Zyl Ina Yadroitsava Igor Yadroitsev

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