Beijing Advanced Innovation Center for Materials Genome Engineering,University of Science and Technology Beijing,Beijing 100083,China;
Shanghai Engineering Research Center of 3D Printing Materials,Shanghai Research Institute of Materials,Shanghai 200437,China;
School of Materials Science and Engineering,Ocean University of China,Qingdao 266100,China;
laser powder-bed fusion; recycled powder; cracking; anisotropy; nickel-based superalloy;