Mechanical properties of Ti-6Al-4V selectively laser melted parts with body-centred-cubic lattices of varying cell size

Ian Maskery, Adedeji Aremu, Marco Simonelli, Chris Tuck, Ricky WIldman, Ian Ashcroft

Research output: Contribution to journalReview article

50 Citations (Scopus)
9 Downloads (Pure)

Abstract

Significant weight savings in parts can be made through the use of additive manufacture (AM), a process which enables the construction of more complex geometries, such as functionally graded lattices, than can be achieved conventionally. The existing framework describing the mechanical properties of lattices places strong emphasis on one property, the relative density of the repeating cells, but there are other properties to consider if lattices are to be used effectively. In this work, we explore the effects of cell size and number of cells, attempting to construct more complete models for the mechanical performance of lattices. This was achieved by examining the modulus and ultimate tensile strength of latticed tensile specimens with a range of unit cell sizes and fixed relative density. Understanding how these mechanical properties depend upon the lattice design variables is crucial for the development of …
Original languageEnglish
Pages (from-to)1261-1272
Number of pages12
JournalExperimental Mechanics
Volume55
Issue number7
DOIs
Publication statusPublished - 24 Apr 2015
Externally publishedYes

Bibliographical note

The final publication is available at Springer via http://dx.doi.org/10.1007/s11340-015-0021-5

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