Next Article in Journal
The Interface Microstructure and Shear Strength of Sn2.5Ag0.7Cu0.1RExNi/Cu Solder Joints under Thermal-Cycle Loading
Previous Article in Journal
Effects of MoO3 + C on Crystallization and Radiative Heat Transfer of CaO–SiO2–B2O3-Based Glassy Fluoride-Free Mold Fluxes
Previous Article in Special Issue
Microstructure, Mechanical Properties, and Constitutive Models for Ti–6Al–4V Alloy Fabricated by Selective Laser Melting (SLM)
Article Menu

Export Article

Open AccessArticle

Compressive Properties of Additively Manufactured Functionally Graded Kagome Lattice Structure

Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
*
Author to whom correspondence should be addressed.
Metals 2019, 9(5), 517; https://doi.org/10.3390/met9050517
Received: 27 February 2019 / Revised: 27 March 2019 / Accepted: 28 March 2019 / Published: 3 May 2019
(This article belongs to the Special Issue Microlattices: New Cellular Materials for Lightweight Design)
  |  
PDF [5911 KB, uploaded 3 May 2019]
  |  

Abstract

Cellular lattice structures have important applications in aerospace, automobile and defense industries due to their high specific strength, modulus and energy absorption. Additive manufacturing provides the design freedom to fabricate complex cellular structures. This study investigates the compressive properties and deformation behavior of a Ti-6Al-4V unit Kagome structure fabricated by selective laser melting. Further, the mechanical performance of multi-unit and multi-layer Kagome structure of acrylonitrile butadiene styrene (ABS) ABS-M30™ manufactured by fused deposition modeling is explored. The effect of a number of layers of Kagome structure on the compressive properties is investigated. This paper also explores the mechanical properties of functionally graded and uniform density Kagome structure. The stiffness of the structure decreased with the increase in the number of layers whereas no change in peak load was observed. The functionally graded Kagome structure provided 35% more energy absorption than the uniform density structure. View Full-Text
Keywords: additive manufacturing; cellular lattice; Kagome; SLM; FDM; functionally graded; energy absorption additive manufacturing; cellular lattice; Kagome; SLM; FDM; functionally graded; energy absorption
Figures

Graphical abstract

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Gautam, R.; Idapalapati, S. Compressive Properties of Additively Manufactured Functionally Graded Kagome Lattice Structure. Metals 2019, 9, 517.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Metals EISSN 2075-4701 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top