Solution combustion synthesis of strontium-doped hydroxyapatite: Effect of sintering and low compaction pressure on the mechanical properties and physiological stability

D. O. Obada; K. A. Salami; A. N. Oyedeji; O. O. Fasanya; M. U. Suleiman; B. A. Ibisola; A. Y. Atta; D. Dodoo-Arhin; L. S. Kuburi; M. Dauda; E. T. Dauda

doi:10.1016/j.matlet.2021.130613

Solution combustion synthesis of strontium-doped hydroxyapatite: Effect of sintering and low compaction pressure on the mechanical properties and physiological stability

D. O. Obada, K. A. Salami, A. N. Oyedeji, O. O. Fasanya, M. U. Suleiman, B. A. Ibisola, A. Y. Atta, D. Dodoo-Arhin, L. S. Kuburi, M. Dauda, E. T. Dauda

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Abstract

The solution combustion route was used to fabricate strontium (Sr) doped hydroxyapatite (HAp). A low compaction pressure method was adopted for pelletizing the powders (Sr-HAp) prior to physical and mechanical properties measurement. Physiological stability of the pellets was conducted by immersing in Phosphate Buffer Saline (PBS) solution for 24 h. The Sr-HAp produced a comparatively higher hardness and fracture toughness of 0.38 GPa and 0.82 MPa·m^1/2 compared with 0.20 GPa and 0.67 MPa·m^1/2 for undoped HAp. The SEM images suggested that strontium co-existed with the calcium ion in hydroxyapatite due to the presence of irregular bead-like structures on a micro-scale. The Sr-HAp pellets were stable in Phosphate Buffer Saline solution.

Original language	English
Article number	130613
Journal	Materials Letters
Volume	304
DOIs	https://doi.org/10.1016/j.matlet.2021.130613
Publication status	Published - 1 Dec 2021
Externally published	Yes

Keywords

Bioceramics
Indentation and hardness
Microstructure
Phase transformation
Sintering

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10.1016/j.matlet.2021.130613

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Obada, D. O., Salami, K. A., Oyedeji, A. N., Fasanya, O. O., Suleiman, M. U., Ibisola, B. A., Atta, A. Y., Dodoo-Arhin, D., Kuburi, L. S., Dauda, M., & Dauda, E. T. (2021). Solution combustion synthesis of strontium-doped hydroxyapatite: Effect of sintering and low compaction pressure on the mechanical properties and physiological stability. Materials Letters, 304, Article 130613. https://doi.org/10.1016/j.matlet.2021.130613

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title = "Solution combustion synthesis of strontium-doped hydroxyapatite: Effect of sintering and low compaction pressure on the mechanical properties and physiological stability",

abstract = "The solution combustion route was used to fabricate strontium (Sr) doped hydroxyapatite (HAp). A low compaction pressure method was adopted for pelletizing the powders (Sr-HAp) prior to physical and mechanical properties measurement. Physiological stability of the pellets was conducted by immersing in Phosphate Buffer Saline (PBS) solution for 24 h. The Sr-HAp produced a comparatively higher hardness and fracture toughness of 0.38 GPa and 0.82 MPa·m1/2 compared with 0.20 GPa and 0.67 MPa·m1/2 for undoped HAp. The SEM images suggested that strontium co-existed with the calcium ion in hydroxyapatite due to the presence of irregular bead-like structures on a micro-scale. The Sr-HAp pellets were stable in Phosphate Buffer Saline solution.",

keywords = "Bioceramics, Indentation and hardness, Microstructure, Phase transformation, Sintering",

author = "Obada, {D. O.} and Salami, {K. A.} and Oyedeji, {A. N.} and Fasanya, {O. O.} and Suleiman, {M. U.} and Ibisola, {B. A.} and Atta, {A. Y.} and D. Dodoo-Arhin and Kuburi, {L. S.} and M. Dauda and Dauda, {E. T.}",

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year = "2021",

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doi = "10.1016/j.matlet.2021.130613",

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Obada, DO, Salami, KA, Oyedeji, AN, Fasanya, OO, Suleiman, MU, Ibisola, BA, Atta, AY, Dodoo-Arhin, D, Kuburi, LS, Dauda, M & Dauda, ET 2021, 'Solution combustion synthesis of strontium-doped hydroxyapatite: Effect of sintering and low compaction pressure on the mechanical properties and physiological stability', Materials Letters, vol. 304, 130613. https://doi.org/10.1016/j.matlet.2021.130613

TY - JOUR

T1 - Solution combustion synthesis of strontium-doped hydroxyapatite

T2 - Effect of sintering and low compaction pressure on the mechanical properties and physiological stability

AU - Obada, D. O.

AU - Salami, K. A.

AU - Oyedeji, A. N.

AU - Fasanya, O. O.

AU - Suleiman, M. U.

AU - Ibisola, B. A.

AU - Atta, A. Y.

AU - Dodoo-Arhin, D.

AU - Kuburi, L. S.

AU - Dauda, M.

AU - Dauda, E. T.

PY - 2021/12/1

Y1 - 2021/12/1

N2 - The solution combustion route was used to fabricate strontium (Sr) doped hydroxyapatite (HAp). A low compaction pressure method was adopted for pelletizing the powders (Sr-HAp) prior to physical and mechanical properties measurement. Physiological stability of the pellets was conducted by immersing in Phosphate Buffer Saline (PBS) solution for 24 h. The Sr-HAp produced a comparatively higher hardness and fracture toughness of 0.38 GPa and 0.82 MPa·m1/2 compared with 0.20 GPa and 0.67 MPa·m1/2 for undoped HAp. The SEM images suggested that strontium co-existed with the calcium ion in hydroxyapatite due to the presence of irregular bead-like structures on a micro-scale. The Sr-HAp pellets were stable in Phosphate Buffer Saline solution.

AB - The solution combustion route was used to fabricate strontium (Sr) doped hydroxyapatite (HAp). A low compaction pressure method was adopted for pelletizing the powders (Sr-HAp) prior to physical and mechanical properties measurement. Physiological stability of the pellets was conducted by immersing in Phosphate Buffer Saline (PBS) solution for 24 h. The Sr-HAp produced a comparatively higher hardness and fracture toughness of 0.38 GPa and 0.82 MPa·m1/2 compared with 0.20 GPa and 0.67 MPa·m1/2 for undoped HAp. The SEM images suggested that strontium co-existed with the calcium ion in hydroxyapatite due to the presence of irregular bead-like structures on a micro-scale. The Sr-HAp pellets were stable in Phosphate Buffer Saline solution.

KW - Bioceramics

KW - Indentation and hardness

KW - Microstructure

KW - Phase transformation

KW - Sintering

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U2 - 10.1016/j.matlet.2021.130613

DO - 10.1016/j.matlet.2021.130613

M3 - Article

AN - SCOPUS:85112853400

SN - 0167-577X

VL - 304

JO - Materials Letters

JF - Materials Letters

M1 - 130613

ER -

Solution combustion synthesis of strontium-doped hydroxyapatite: Effect of sintering and low compaction pressure on the mechanical properties and physiological stability

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Keywords

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