ArticleBioactive materials2021
Design and performance evaluation of additively manufactured composite lattice structures of commercially pure Ti (CP-Ti).
Article in Bioactive materials, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed.
- Effect of topological configuration on mechanical properties for 3D printed porous structures.Scientific reports · 2025Article
- Parametric Design of Porous Structure and Optimal Porosity Gradient Distribution Based on Root-Shaped Implants.Materials (Basel, Switzerland) · 2024Article
- Bio-functional hydroxyapatite-coated 3D porous polyetherketoneketone scaffold for enhanced osteogenesis and osteointegration in orthopedic applications.Regenerative biomaterials · 2024Article
- Mechanical Characterisation and Numerical Modelling of TPMS-Based Gyroid and Diamond Ti6Al4V Scaffolds for Bone Implants: An Integrated Approach for Translational Consideration.Bioengineering (Basel, Switzerland) · 2022Article
- Evaluation of the Equivalent Mechanical Properties of Lattice Structures Based on the Finite Element Method.Materials (Basel, Switzerland) · 2022Article
- Parametric Design of Hip Implant With Gradient Porous Structure.Frontiers in bioengineering and biotechnology · 2022Article
- Cubic Lattice Structures of Ti6Al4V under Compressive Loading: Towards Assessing the Performance for Hard Tissue Implants Alternative.Materials (Basel, Switzerland) · 2021Article
- Investigation of Compressive and Tensile Behavior of Stainless Steel/Dissolvable Aluminum Bimetallic Composites by Finite Element Modeling and Digital Image Correlation.Materials (Basel, Switzerland) · 2021Article
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10 authors.
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Abstract
Ti alloys with lattice structures are garnering more and more attention in the field of bone repair or regeneration due to their superior structural, mechanical, and biological properties. In this study, six types of composite lattice structures with different strut radius that consist of simple cubic (structure A), body-centered cubic (structure B), and edge-centered cubic (structure C) unit cells are designed. The designed structures are firstly simulated and analysed by the finite element (FE) method. Commercially pure Ti (CP-Ti) lattice structures with optimized unit cells and strut radius are then fabricated by selective laser melting (SLM), and the dimensions, microtopography, and mechanical properties are characterised. The results show that among the six types of composite lattice structures, combined BA, CA, and CB structures exhibit smaller maximum von-Mises stress, indicating that these structures have higher strength. Based on the fitting curves of stress/specific surface area versus strut radius, the optimized strut radius of BA, CA, and CB structures is 0.28, 0.23, and 0.30 mm respectively. Their corresponding compressive yield strength and compressive modulus are 42.28, 30.11, and 176.96 MPa, and 4.13, 2.16, and 7.84 GPa, respectively. The CP-Ti with CB unit structure presents a similar strength and compressive modulus to the cortical bone, which makes it a potential candidate for subchondral bone restorations.
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