Authors: S S AlBermani M L Blackmore W Zhang I Todd
Publish Date: 2010/08/31
Volume: 41, Issue: 13, Pages: 3422-3434
Abstract
An additive layer manufacture ALM technique electron beam melting has been used for the production of simple geometries from prealloyed Ti6Al4V powder Microstructure texture and mechanical properties achieved under standard operating conditions have been investigated Three transitional regions are observed with a change in microstructural formation dependent on the thermal mass of deposited material Prior βphase reconstruction from room temperature αphase electron backscatter diffraction EBSD data reveals a strong texture perpendicular to the build axis Variation of build temperature within the processing window of 898 K to 973 K 625 °C to 700 °C is seen to have a significant effect on the properties and microstructure of both asdeposited and hot isostatically pressed HIP samplesThe authors acknowledge the help and advice given by Drs Peter Davies and Bradley Wynne University of Sheffield with prior β reconstructions and texture and Arcam AB of Sweden for their help and useful discussions This work has been financed by Yorkshire Forward the Engineering and Physical Sciences Research Council EPSRC and Renault Formula 1 The authors express their gratitude for this financial support
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