LIA NEWS
from the control, and ensure uniform conditions throughout the build. Robert Salo of Sciaky also presented a session
on alternative technologies, discussing Electron Beam Additive Manufacturing (EBAM). Sciaky has continuously worked on its EBAM systems and services as a contract service company for electron beam welding, pulse additive welding and EBAM. Salo demonstrated simulations of electron beam additive manufacturing and discussed the benefits of the method, including the way in which the high power couples with metals easily, its use of basic inputs, its large system designs and its high deposition rates.
FOCUS OF LAM Two of the missions of LAM 2016 were to give attendees a thorough understanding of the benefits and challenges of laser-based additive manufacturing, while establishing what technologies in the industry need to be developed further or improved. Numerous presentations from the two-day event worked toward these goals, including David Bourell’s ‘Materials Issues in Laser-based Additive Manufacturing’. Bourell, who works at the University of Texas at Austin, presented data that estimates exponential growth in materials sales in upcoming years. Tough
some project the growth will reach $1 billion by 2025, materials issues still remain a concern in the industry. Bourell discussed the four major material issues that currently pose problems: proper form feedstock, fabricator process ability, post-process ability as needed, and acceptable service properties. Kirk Rodgers from GE Corporate discussed
supply chain challenges, which include certain qualities AM lacks and specific issues that exist with design skill and rules. His presentation also touched on the needs of the processes, such as material standards, consistency, reliability and material delivery systems. He explained the importance of optimising lasers for time by utilising offline or automated loading and unloading, as well as offline or automated material recovery. While recognising that machines have hardly changed in the last 20 years, Rodgers offered some solutions for issues he discussed, but also stated that some problems may be solved over time or through specific training. Focusing on the continued benefits and
success of additive manufacturing, RMIT University’s Milan Brandt presented AM research that is being conducted in Australia. Looking at current procedures for bone-specific implants,
DIARY
International Congress on Applications of Lasers and Electro-Optics (ICALEO); 16-20 October 2016, San Diego, CA, USA
Laser Additive Manufacturing (LAM) workshop; 21-22 February 2017, Houston, TX, USA
International Laser Safety Conference (ILSC); 20-23 March 2017, Atlanta, GA, USA
RMIT hopes to improve traditional implants by replacing them with a 3D object constructed from a CT scan. With this technology, RMIT believes mass customised vertebral implants could be created in order to help people with disk damage from accidents. Brandt explained that continued research and promising technology like this has ensured the growth of laser additive manufacturing in Australia.
ADDITIVE MANUFACTURING ACROSS INDUSTRIES As in to previous years, numerous industries were represented at this year’s LAM workshop. From laser 3D printing and oil and gas to the military and biomedical, LAM once again showed that laser additive manufacturing plays a key role in a variety of industries.
October 16–20, 2016 Sheraton®
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