1. Centre for Additive ManufacturingSchool of EngineeringRMIT UniversityMelbourneVIC 3000Australia
2. Department of EngineeringMacquarie UniversitySydneyNSW 2109Australia
3. State Key Laboratory of Porous Metal MaterialsNorthwest Institute for Non‐Ferrous Metal ResearchXi'an 710016P. R. China