A mechanical property evaluation of Ti6Al4V cellular lattice structures fabricated by selective laser melting

M. Z., Azir and W. S. W., Harun and K., Kadirgama (2020) A mechanical property evaluation of Ti6Al4V cellular lattice structures fabricated by selective laser melting. In: IOP Conference Series: Materials Science and Engineering, 5th International Conference on Mechanical Engineering Research 2019, ICMER 2019, 30 - 31 July 2019 , Vistana Hotel, Kuantan, Pahang. pp. 1-12., 788 (012010). ISSN 1757-8981 (Print), 1757-899X (Online)

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Cellular structures are similarly identified as lattice structures or foam structures which are commonly constructed of ligaments. Cellular structures exist widely in nature, such as the coral, honeycomb, and the natural bones. Cellular structures are also manufactured and used in various applications such as honeycomb bumper structures and truss bridge. Ti6Al4V is one of the most commonly used titanium alloy and is applied in a wide range of application where low density very good corrosion resistance are necessary such as direct manufacturing of part and prototypes for racing and aerospace industry, biomechanical application such as implants and prosthesis, marine application, chemical industry, and gas turbine. This paper investigates the mechanical properties of Ti6Al4V lattice structures fabricated by additive manufacturing, also known as 3D printing. The samples are fabricated by selective laser melting (SLM) using titanium alloy (TI6Al4V). Four factors were selected to determine its influence on the Young's modulus and compressive strength, which is strut size, strut shape, unit cell size, and porosity. All the samples categorize to six groups by its design volume porosity obtained from CAD file. Solidwork design software was used in this study. The influence was shown in a comparison graph. Detailed characterizations of compression test were conducted and reported. The built structures have a Young's modulus ranging between 0.01 and 1.84 Gpa. Porosity was realized to play an important role in determining the Young's modulus and compressive strength.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Additive manufacturing; SLM; Lattice structure; Ti6Al4V; Mechanical testing
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TL Motor vehicles. Aeronautics. Astronautics
T Technology > TS Manufactures
Faculty/Division: Faculty of Mechanical & Manufacturing Engineering
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 20 Jun 2022 02:46
Last Modified: 20 Jun 2022 02:46
URI: http://umpir.ump.edu.my/id/eprint/28789
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