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Title: Glass/ceramic coatings for implants

Abstract

Glass coatings on metals including Ti, Ti6A14V and CrCo were prepared for use as implants. The composition of the glasses was tailored to match the thermal expansion of the substrate metal. By controlling the firing atmosphere, time, and temperature, it was possible to control the reactivity between the glass and the alloy and to fabricate coatings (25-150 .mu.m thick) with excellent adhesion to the substrate. The optimum firing temperatures ranged between 800 and 840.degree. C. at times up to 1 min in air or 15 min in N.sub.2. The same basic technique was used to create multilayered coatings with concentration gradients of hydroxyapatite (HA) particles and SiO.sub.2.

Inventors:
 [1];  [2];  [3];  [4];  [4]
  1. Pinole, CA
  2. Berkeley, CA
  3. Nagoya, JP
  4. Larkspur, CA
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1027460
Patent Number(s):
8,012,590
Application Number:
09/845,597
Assignee:
The Regents of the University of California (Oakland, CA)
DOE Contract Number:  
AC03-76SF00098
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Tomsia, Antoni P, Saiz, Eduardo, Gomez-Vega, Jose M, Marshall, Sally J, and Marshall, Grayson W. Glass/ceramic coatings for implants. United States: N. p., 2011. Web.
Tomsia, Antoni P, Saiz, Eduardo, Gomez-Vega, Jose M, Marshall, Sally J, & Marshall, Grayson W. Glass/ceramic coatings for implants. United States.
Tomsia, Antoni P, Saiz, Eduardo, Gomez-Vega, Jose M, Marshall, Sally J, and Marshall, Grayson W. Tue . "Glass/ceramic coatings for implants". United States. https://www.osti.gov/servlets/purl/1027460.
@article{osti_1027460,
title = {Glass/ceramic coatings for implants},
author = {Tomsia, Antoni P and Saiz, Eduardo and Gomez-Vega, Jose M and Marshall, Sally J and Marshall, Grayson W},
abstractNote = {Glass coatings on metals including Ti, Ti6A14V and CrCo were prepared for use as implants. The composition of the glasses was tailored to match the thermal expansion of the substrate metal. By controlling the firing atmosphere, time, and temperature, it was possible to control the reactivity between the glass and the alloy and to fabricate coatings (25-150 .mu.m thick) with excellent adhesion to the substrate. The optimum firing temperatures ranged between 800 and 840.degree. C. at times up to 1 min in air or 15 min in N.sub.2. The same basic technique was used to create multilayered coatings with concentration gradients of hydroxyapatite (HA) particles and SiO.sub.2.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {9}
}

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Works referenced in this record:

Silicate glass coatings on Ti-based implants
journal, April 1998


Ha-bioactive glass composites: High temperature reactivity and “in vitro” behavior
journal, June 1996


Bioactive glass coatings with hydroxyapatite and Bioglass® particles on Ti-based implants. 1. Processing
journal, January 2000


Fabrication and characterization of a bioactive glass coating on titanium implant alloys
journal, November 1999


A Multilayer Approach to Fabricate Bioactive Glass Coatings on Ti Alloys
journal, January 1998


New route for hydroxyapatite coatings on Ti-based human implants
journal, October 1994


In vitro formation of hydroxylapatite layer in a MgO-containing glass
journal, August 1994

  • Moya, J. S.; Tomsia, A. P.; Pazo, A.
  • Journal of Materials Science: Materials in Medicine, Vol. 5, Issue 8
  • DOI: 10.1007/BF00124885

Subcritical Crack Growth of Bioactive Glasses in Simulated Body Fluid
journal, January 1998