Laser surface modification for synthesis of textured bioactive and biocompatible Ca-P coatings on Ti-6Al-4V

Sameer R. Paital; Nancy Bunce; Peeyush Nandwana; Chinmay Honrao; Soumya Nag; Wei He; Rajarshi Banerjee; Narendra B. Dahotre

doi:10.1007/s10856-011-4321-8

Laser surface modification for synthesis of textured bioactive and biocompatible Ca-P coatings on Ti-6Al-4V

Sameer R. Paital
, Nancy Bunce
, Peeyush Nandwana
, Chinmay Honrao
, Soumya Nag
, Wei He
, Rajarshi Banerjee
, Narendra B. Dahotre

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A textured calcium phosphate based bio-ceramic coating was synthesized by continuous wave Nd:YAG laser induced direct melting of hydroxyapatite precursor on Ti-6Al-4V substrate. Two different micro-textured patterns (100 μm and 200 μm line spacing) of Ca-P based phases were fabricated by this technique to understand the alignment and focal adhesion of the bone forming cells on these surfaces. X-ray diffraction studies of the coated samples indicated the presence of CaTiO ₃, α-Ca ₃(PO ₄) ₂, Ca(OH) ₂, TiO ₂ (anatase) and TiO ₂ (rutile) phases as a result of the intermixing between the precursor and substrate material during laser processing. A two dimensional elemental mapping of the cross-section of the coated samples exhibited the presence of higher phosphorous concentration within the coating and a thin layer of calcium concentration only at the top of the coating. Improved in vitro bioactivity and in vitro biocompatibility was observed for the laser processed samples as compared to the control.

Original language	English
Pages (from-to)	1393-1406
Number of pages	14
Journal	Journal of Materials Science: Materials in Medicine
Volume	22
Issue number	6
DOIs	https://doi.org/10.1007/s10856-011-4321-8
State	Published - Jun 2011
Externally published	Yes

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title = "Laser surface modification for synthesis of textured bioactive and biocompatible Ca-P coatings on Ti-6Al-4V",

abstract = "A textured calcium phosphate based bio-ceramic coating was synthesized by continuous wave Nd:YAG laser induced direct melting of hydroxyapatite precursor on Ti-6Al-4V substrate. Two different micro-textured patterns (100 μm and 200 μm line spacing) of Ca-P based phases were fabricated by this technique to understand the alignment and focal adhesion of the bone forming cells on these surfaces. X-ray diffraction studies of the coated samples indicated the presence of CaTiO 3, α-Ca 3(PO 4) 2, Ca(OH) 2, TiO 2 (anatase) and TiO 2 (rutile) phases as a result of the intermixing between the precursor and substrate material during laser processing. A two dimensional elemental mapping of the cross-section of the coated samples exhibited the presence of higher phosphorous concentration within the coating and a thin layer of calcium concentration only at the top of the coating. Improved in vitro bioactivity and in vitro biocompatibility was observed for the laser processed samples as compared to the control.",

author = "Paital, \{Sameer R.\} and Nancy Bunce and Peeyush Nandwana and Chinmay Honrao and Soumya Nag and Wei He and Rajarshi Banerjee and Dahotre, \{Narendra B.\}",

year = "2011",

month = jun,

doi = "10.1007/s10856-011-4321-8",

language = "English",

volume = "22",

pages = "1393--1406",

journal = "Journal of Materials Science: Materials in Medicine",

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TY - JOUR

T1 - Laser surface modification for synthesis of textured bioactive and biocompatible Ca-P coatings on Ti-6Al-4V

AU - Paital, Sameer R.

AU - Bunce, Nancy

AU - Nandwana, Peeyush

AU - Honrao, Chinmay

AU - Nag, Soumya

AU - He, Wei

AU - Banerjee, Rajarshi

AU - Dahotre, Narendra B.

PY - 2011/6

Y1 - 2011/6

N2 - A textured calcium phosphate based bio-ceramic coating was synthesized by continuous wave Nd:YAG laser induced direct melting of hydroxyapatite precursor on Ti-6Al-4V substrate. Two different micro-textured patterns (100 μm and 200 μm line spacing) of Ca-P based phases were fabricated by this technique to understand the alignment and focal adhesion of the bone forming cells on these surfaces. X-ray diffraction studies of the coated samples indicated the presence of CaTiO 3, α-Ca 3(PO 4) 2, Ca(OH) 2, TiO 2 (anatase) and TiO 2 (rutile) phases as a result of the intermixing between the precursor and substrate material during laser processing. A two dimensional elemental mapping of the cross-section of the coated samples exhibited the presence of higher phosphorous concentration within the coating and a thin layer of calcium concentration only at the top of the coating. Improved in vitro bioactivity and in vitro biocompatibility was observed for the laser processed samples as compared to the control.

AB - A textured calcium phosphate based bio-ceramic coating was synthesized by continuous wave Nd:YAG laser induced direct melting of hydroxyapatite precursor on Ti-6Al-4V substrate. Two different micro-textured patterns (100 μm and 200 μm line spacing) of Ca-P based phases were fabricated by this technique to understand the alignment and focal adhesion of the bone forming cells on these surfaces. X-ray diffraction studies of the coated samples indicated the presence of CaTiO 3, α-Ca 3(PO 4) 2, Ca(OH) 2, TiO 2 (anatase) and TiO 2 (rutile) phases as a result of the intermixing between the precursor and substrate material during laser processing. A two dimensional elemental mapping of the cross-section of the coated samples exhibited the presence of higher phosphorous concentration within the coating and a thin layer of calcium concentration only at the top of the coating. Improved in vitro bioactivity and in vitro biocompatibility was observed for the laser processed samples as compared to the control.

UR - https://www.scopus.com/pages/publications/80051583979

U2 - 10.1007/s10856-011-4321-8

DO - 10.1007/s10856-011-4321-8

M3 - Article

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AN - SCOPUS:80051583979

SN - 0957-4530

VL - 22

SP - 1393

EP - 1406

JO - Journal of Materials Science: Materials in Medicine

JF - Journal of Materials Science: Materials in Medicine

IS - 6

ER -

Laser surface modification for synthesis of textured bioactive and biocompatible Ca-P coatings on Ti-6Al-4V

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