High Value Manufacturing – Bártolo et al. (Eds)
© 2014 Taylor & Francis Group, London, ISBN 978-1-138-00137-4
Preparation and flowability characterization of ceramic powders
for Selective Laser Melting
M. Mapar, D.Q. Zhang, Z.H. Liu, W.Y. Yeong & C.K. Chua
School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
B.Y. Tay, O. Geramifard, S. Maleksaeedi & F.E. Wiria
Singapore Institute of Manufacturing Technology, Singapore
ABSTRACT: The preparation of alumina-zirconia (Al
2
O
3−
ZrO
2
) blend via spray drying was conducted and
its effect on the blend flowability was investigated.The spray drying and heat treatment process did not cause any
phase change in the blend. Agglomeration of fine particles of sizes <1–5 µm into