Aging due to successive reuse of polyamide 12 powder during laser sintering: extrinsic powder properties and quality of sintered partsOluwaseun A. Alo, Iyiola O. Otunniyi and David MauchlineMATEC Web Conf., 370 (2022) 03011DOI: https://doi.org/10.1051/matecconf/202237003011