NDLI: 3D printing as an efficient way for comparative study of biomimetic structures

Content Provider	Springer Nature Link
Author	Yoon, Yong Jin Moon, Seung Ki Hwang, Jihong
Copyright Year	2014
Abstract	The mechanical properties of engineered trabecular bone and honeycomb structures are investigated by the combined use of the 3D printing technology and the compression test. The engineered trabecular bone structure is designed randomly to mimic the dynamic growth of bone structure for withstanding different types of daily loadings. The designed structures are fabricated using the fused deposition modeling (FDM) with acrylonitrile butadiene styrene (ABS). A representation of bone marrow, milk containing 0.5% fat which has a density similar to that of the marrow in the long bone, is also added into the engineered trabecular bone structure to fill the porous spaces within the structure for two cases - confined and unconfined environments. This is intended to probe the mechanical contribution of bone marrow to the strength characteristics of the engineered trabecular bone. The results show that the trabecular bone structure could serve as an ideal structure if its application requires high elasticity whereas the honeycomb structure would be ideal for an application that requires higher strength and toughness. Also it is shown that the bone marrow contributes positively to transferring some of the loading on the trabecular bone to other parts of the body. Besides, the comparison of the results with those by the previous studies show that the 3D printing technology could be utilized as an efficient way for comparative study of biomimetic structures.
Starting Page	4635
Ending Page	4640
Page Count	6
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	28
Issue Number	11
e-ISSN	19763824
Language	English
Publisher	Korean Society of Mechanical Engineers
Publisher Date	2015-01-22
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	3D printing Compression test Fused deposition modeling Trabecular bone Honeycomb structure Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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