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The impact of post manufacturing treatment of functionally graded Ti6Al4V scaffolds on their surface morphology and mechanical strength

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The impact of post manufacturing treatment of functionally graded Ti6Al4V scaffolds on their surface morphology and mechanical strength. / Khrapov, D; Koptyug, A; Manabaev, K; Leonard, F; Mishurova, T; Bruno, G; Cheneler, David; Loza, K; Epple, M; Surmenev, R; Surmeneva, M.

In: Journal of Materials Research and Technology, Vol. 9, No. 2, 01.03.2020, p. 1866-1881.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Khrapov, D, Koptyug, A, Manabaev, K, Leonard, F, Mishurova, T, Bruno, G, Cheneler, D, Loza, K, Epple, M, Surmenev, R & Surmeneva, M 2020, 'The impact of post manufacturing treatment of functionally graded Ti6Al4V scaffolds on their surface morphology and mechanical strength', Journal of Materials Research and Technology, vol. 9, no. 2, pp. 1866-1881. https://doi.org/10.1016/j.jmrt.2019.12.019

APA

Khrapov, D., Koptyug, A., Manabaev, K., Leonard, F., Mishurova, T., Bruno, G., Cheneler, D., Loza, K., Epple, M., Surmenev, R., & Surmeneva, M. (2020). The impact of post manufacturing treatment of functionally graded Ti6Al4V scaffolds on their surface morphology and mechanical strength. Journal of Materials Research and Technology, 9(2), 1866-1881. https://doi.org/10.1016/j.jmrt.2019.12.019

Vancouver

Khrapov D, Koptyug A, Manabaev K, Leonard F, Mishurova T, Bruno G et al. The impact of post manufacturing treatment of functionally graded Ti6Al4V scaffolds on their surface morphology and mechanical strength. Journal of Materials Research and Technology. 2020 Mar 1;9(2):1866-1881. https://doi.org/10.1016/j.jmrt.2019.12.019

Author

Khrapov, D ; Koptyug, A ; Manabaev, K ; Leonard, F ; Mishurova, T ; Bruno, G ; Cheneler, David ; Loza, K ; Epple, M ; Surmenev, R ; Surmeneva, M. / The impact of post manufacturing treatment of functionally graded Ti6Al4V scaffolds on their surface morphology and mechanical strength. In: Journal of Materials Research and Technology. 2020 ; Vol. 9, No. 2. pp. 1866-1881.

Bibtex

@article{e4fccbd4b9eb4b1f95624c03f0b57944,
title = "The impact of post manufacturing treatment of functionally graded Ti6Al4V scaffolds on their surface morphology and mechanical strength",
abstract = "An ultrasonic vibration post-treatment procedure was suggested for additively manufactured lattices. The aim of the present research was to investigate mechanical properties and the differences in mechanical behavior and fracture modes of Ti6Al4V scaffolds treated with traditional powder recovery system (PRS) and ultrasound vibration (USV). Scanning electron microscopy (SEM) was used to investigate the strut surface and the fracture surface morphology. X-ray computed tomography (CT) was employed to evaluate the inner structure, strut dimensions, pore size, as well as the surface morphology of additively manufactured porous scaffolds. Uniaxial compression tests were conducted to obtain elastic modulus, compressive ultimate strength and yield stress. Finite element analysis was performed for a body-centered cubic (BCC) element-based model and for CT-based reconstruction data, as well as for a two-zone scaffold model to evaluate stress distribution during elastic deformation. The scaffold with PRS post treatment displayed ductile behavior, while USV treated scaffold displayed fragile behavior. Double barrel formation of PRS treated scaffold was observed during deformation. Finite element analysis for the CT-based reconstruction revealed the strong impact of surface morphology on the stress distribution in comparison with BCC cell model because of partially molten metal particles on the surface of struts, which usually remain unstressed.",
keywords = "Additive manufacturing, Electron beam melting, Titanium alloy, Compression testing, Scaffold, Powder removal, Finite element analysis, X-ray computed tomography",
author = "D Khrapov and A Koptyug and K Manabaev and F Leonard and T Mishurova and G Bruno and David Cheneler and K Loza and M Epple and R Surmenev and M Surmeneva",
year = "2020",
month = mar,
day = "1",
doi = "10.1016/j.jmrt.2019.12.019",
language = "English",
volume = "9",
pages = "1866--1881",
journal = "Journal of Materials Research and Technology",
issn = "2238-7854",
publisher = "Elsevier",
number = "2",

}

RIS

TY - JOUR

T1 - The impact of post manufacturing treatment of functionally graded Ti6Al4V scaffolds on their surface morphology and mechanical strength

AU - Khrapov, D

AU - Koptyug, A

AU - Manabaev, K

AU - Leonard, F

AU - Mishurova, T

AU - Bruno, G

AU - Cheneler, David

AU - Loza, K

AU - Epple, M

AU - Surmenev, R

AU - Surmeneva, M

PY - 2020/3/1

Y1 - 2020/3/1

N2 - An ultrasonic vibration post-treatment procedure was suggested for additively manufactured lattices. The aim of the present research was to investigate mechanical properties and the differences in mechanical behavior and fracture modes of Ti6Al4V scaffolds treated with traditional powder recovery system (PRS) and ultrasound vibration (USV). Scanning electron microscopy (SEM) was used to investigate the strut surface and the fracture surface morphology. X-ray computed tomography (CT) was employed to evaluate the inner structure, strut dimensions, pore size, as well as the surface morphology of additively manufactured porous scaffolds. Uniaxial compression tests were conducted to obtain elastic modulus, compressive ultimate strength and yield stress. Finite element analysis was performed for a body-centered cubic (BCC) element-based model and for CT-based reconstruction data, as well as for a two-zone scaffold model to evaluate stress distribution during elastic deformation. The scaffold with PRS post treatment displayed ductile behavior, while USV treated scaffold displayed fragile behavior. Double barrel formation of PRS treated scaffold was observed during deformation. Finite element analysis for the CT-based reconstruction revealed the strong impact of surface morphology on the stress distribution in comparison with BCC cell model because of partially molten metal particles on the surface of struts, which usually remain unstressed.

AB - An ultrasonic vibration post-treatment procedure was suggested for additively manufactured lattices. The aim of the present research was to investigate mechanical properties and the differences in mechanical behavior and fracture modes of Ti6Al4V scaffolds treated with traditional powder recovery system (PRS) and ultrasound vibration (USV). Scanning electron microscopy (SEM) was used to investigate the strut surface and the fracture surface morphology. X-ray computed tomography (CT) was employed to evaluate the inner structure, strut dimensions, pore size, as well as the surface morphology of additively manufactured porous scaffolds. Uniaxial compression tests were conducted to obtain elastic modulus, compressive ultimate strength and yield stress. Finite element analysis was performed for a body-centered cubic (BCC) element-based model and for CT-based reconstruction data, as well as for a two-zone scaffold model to evaluate stress distribution during elastic deformation. The scaffold with PRS post treatment displayed ductile behavior, while USV treated scaffold displayed fragile behavior. Double barrel formation of PRS treated scaffold was observed during deformation. Finite element analysis for the CT-based reconstruction revealed the strong impact of surface morphology on the stress distribution in comparison with BCC cell model because of partially molten metal particles on the surface of struts, which usually remain unstressed.

KW - Additive manufacturing

KW - Electron beam melting

KW - Titanium alloy

KW - Compression testing

KW - Scaffold

KW - Powder removal

KW - Finite element analysis

KW - X-ray computed tomography

U2 - 10.1016/j.jmrt.2019.12.019

DO - 10.1016/j.jmrt.2019.12.019

M3 - Journal article

VL - 9

SP - 1866

EP - 1881

JO - Journal of Materials Research and Technology

JF - Journal of Materials Research and Technology

SN - 2238-7854

IS - 2

ER -