Mechanical properties analysis of different porous structures of Ti6Al4V printed by selective laser melting
Source abstract
Abstract
Ti6Al4V is widely used in orthopedic implants owing to its excellent biocompatibility and mechanical properties. However, its elastic modulus is considerably higher than that of human bone, which can result in stress shielding. In this study, Ti6Al4V alloys with different porosities (50, 60, and 70%) and four types of unit-cell structures (body-centered cubic (BCC), diamond, face-centered cubic (FCC), and simple cubic) were fabricated using selective laser melting (SLM). Compression tests were conducted to evaluate the mechanical properties of the porous structures, and finite element analysis (FEA) was used to determine the stress distribution within them. The results showed that the simple cubic structure was more suitable candidate for implants. In addition, in vitro calcium deposition tests on the simple cubic structure revealed a Ca/P molar ratio of 1.62, which was close to the 1.67 ratio found in natural bone minerals, as confirmed by energy-dispersive spectroscopy.Graphical abstract
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Additive Manufacturing and 3D Printing Technologies · Additive Manufacturing Materials and Processes · Bone Tissue Engineering Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (38)
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