Metal AM Autumn 2015

Page 55

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Additive Manufacturing at PM Titanium 2015

Developments in the Additive Manufacturing of titanium at PM Titanium 2015 The PM Titanium 2015 conference, held in Lüneburg, Germany, from August 31 to September 3, 2015, was the latest in the series of international conferences specifically focused on the processing, consolidation and metallurgy of titanium. As Dr David Whittaker reports for Metal Additive Manufacturing magazine, the ambition to apply titanium AM components in critical applications continues to drive researchers to further understand the influences of processing parameters on achieved microstructure and on the relationships between microstructure and mechanical properties.

PM Titanium 2015, the third in the international series of conferences on Powder Processing, Consolidation and Metallurgy of Titanium, was held at the Leuphana University in Lüneburg, Germany, from August 31 to September 3, 2015. The conference attracted an attendance of over 130 delegates from 27 countries. Encouragingly for an area of technology where, to date, the high level of R&D activity has not yet been matched by significant market penetration, several delegates from potential endusers were present, representing the aerospace, biomedical and consumer products sectors. Within the ten technical session programme, two sessions were devoted specifically to the Additive Manufacturing of titanium and relevant papers also appeared in other sessions. This article reviews selected papers from the programme, all related to the processing of Ti-6Al-4V. A consideration which is of high significance with regard to the viability

Vol. 1 No. 3 © 2015 Inovar Communications Ltd

of the use of Additive Manufacturing for safety-critical applications is the development of robust knowledge on the influences of processing parameters on achieved microstructure and on the relationships between microstructure and mechanical properties.

The reviewed papers all touch on this consideration by addressing the development of numerical simulation approaches to the modelling of the phase transformations as the melt pool is cooled during the Selective Laser Melting (SLM) process, the influence of post-build heat treatment

Fig. 1 Delegates at the PM Titanium 2015 conference in Lüneburg

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