TY - THES ID - 134679325 TI - Laser-based powder bed fusion additive manufacturing of highly conductive copper and copper alloys AU - Jadhav, Suraj Dinkar AU - Vanmeensel, Kim AU - KU Leuven. Faculty of engineering science. Department of materials engineering PY - 2021 PB - Leuven KU Leuven. Faculty of Engineering Science DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:134679325 AB - The current PhD project aims at finding solutions for the two major challenges that currently limit the wider use of copper based alloy parts manufactured by laser-based powder bed fusion (L-PBF): a) the availability of suitable starting powders with significant absorption at the current used laser wavelengths and b) the occurrence of cracks and pores in L-PBF processed Cu based parts due to the low laser absorption, high thermal conductivity and large residual stresses.The project is aimed at a) improving the existing knowledge/understanding on the interaction of electromagnetic waves with Cu based pre-alloyed powders and b) understanding and steering the solidification behavior of both solid solution forming and precipitation strengthening Cu based alloys.Laser powder bed fusion (L-PBF) is also called as selective laser melting (SLM). ER -