Laser-surface-alloyed carbon nanotubes reinforced hydroxyapatite composite coatings | Zendy

Yao Chen | Zendy; Cuihua Gan | Zendy; Tainua Zhang | Zendy; Gang Yu | Zendy; Pucun Bai | Zendy; Alexander Kaplan | Zendy

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Laser-surface-alloyed carbon nanotubes reinforced hydroxyapatite composite coatings

Author(s) -

Yao Chen,

Cuihua Gan,

Tainua Zhang,

Gang Yu,

Pucun Bai,

Alexander Kaplan

Publication year - 2005

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1951054

Subject(s) - materials science , carbon nanotube , composite material , composite number , titanium , transmission electron microscopy , coating , elastic modulus , laser , substrate (aquarium) , titanium alloy , metallurgy , nanotechnology , physics , optics , oceanography , alloy , geology

Carbon-nanotube (CNT)-reinforced hydroxyapatite composite coatings have been fabricated by laser surface alloying. Microstructural observation using high-resolution transmission electron microscopy showed that a large amount of CNTs remained with their original tubular morphology, even though some CNTs reacted with titanium element in the substrate during laser irradiation. Additionally, measurements on the elastic modulus and hardness of the composite coatings indicated that the mechanical properties were affected by the amount of CNTs in the starting precursor materials. Therefore, CNT-reinforced hydroxyapatite composite is a promising coating material for high-load-bearing metal implants. © 2005 American Institute of Physics.

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