Fabrication of CNT-Reinforced HAp Composites by Spark Plasma Sintering

Swapan Kumar Sarkar; Min Ho Youn; Ik Hyun Oh; Byong Taek Lee

doi:10.4028/www.scientific.net/MSF.534-536.893

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HomeMaterials Science ForumMaterials Science Forum Vols. 534-536Fabrication of CNT-Reinforced HAp Composites by...

Fabrication of CNT-Reinforced HAp Composites by Spark Plasma Sintering

Abstract:

Carbon nanotube (CNT) reinforced hydroxyapatite (HAp) composites were fabricated by using the spark plasma sintering process with surfactant modified CNT and HAp nano powder. Without the dependency on sintering temperature, the main crystal phase existed with the HAp phase although a few contents of β-TCP (Tri calcium phosphate) phase were detected. The maximum fracture toughness, (1.27 MPa.m1/2) was obtained in the sample sintered at 1100 oC and on the fracture surface a typical intergranular fracture mode, as well as the pull-out pmhenomenon of CNT, was observed.

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Periodical:

Materials Science Forum (Volumes 534-536)

Pages:

893-896

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.534-536.893

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Online since:

January 2007

Authors:

Swapan Kumar Sarkar, Min Ho Youn, Ik Hyun Oh, Byong Taek Lee

Keywords:

Bioceramic, Carbon Nanotube (CN), Hydroxyapatite (HAP)

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