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Mechanics of Advanced Materials and Structures Volume 29, 2022 - Issue 22
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Original Articles

Effect of relative density on the compressive properties of Ti6Al4V diamond lattice structures with shells

Jiaxi Zhaoa School of Mechanical and power Engineering, Nanjing Tech University, Nanjing, China;b Jiangsu Key Lab of Design and Manufacture of Extreme Pressure Equipment, Nanjing, ChinaORCID Iconhttps://orcid.org/0000-0003-2846-4280View further author information
ORCID Icon,
Hang Liua School of Mechanical and power Engineering, Nanjing Tech University, Nanjing, China;b Jiangsu Key Lab of Design and Manufacture of Extreme Pressure Equipment, Nanjing, ChinaView further author information
,
Yang Zhoua School of Mechanical and power Engineering, Nanjing Tech University, Nanjing, China;b Jiangsu Key Lab of Design and Manufacture of Extreme Pressure Equipment, Nanjing, ChinaView further author information
,
Yefeng Chena School of Mechanical and power Engineering, Nanjing Tech University, Nanjing, China;b Jiangsu Key Lab of Design and Manufacture of Extreme Pressure Equipment, Nanjing, ChinaCorrespondence[email protected]
View further author information
&
Jianming Gonga School of Mechanical and power Engineering, Nanjing Tech University, Nanjing, China;b Jiangsu Key Lab of Design and Manufacture of Extreme Pressure Equipment, Nanjing, ChinaView further author information
Pages 3301-3315 | Received 04 Jan 2021, Accepted 17 Feb 2021, Published online: 15 Mar 2021
 
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Abstract

It was found that stress displayed an oscillating pattern due to the discontinuous sliding process in samples under compressive loading on diamond Ti6Al4V lattice structure with shells. A simple model used for calculating relative density of diamond lattice structure was proposed and evaluated. Moreover, theoretical models with better precision were suggested to estimate the elastic modulus and yield strength of lattice structures without considering the shells. Besides, a quantitative model was suggested to describe the shell effect on elastic modulus of lattices structures and validated to be acceptable by comparing with current experimental results.

Additional information

Funding

The work was financially supported by the Key project of university natural science research in Jiangsu province (19KJA510007) and the start-up funding of Nanjing Tech University (3827400243).

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