Titania-silica glasses prepared by sintering alkoxide derived spherical colloids

W. T. Minehan; G. L. Messing; C. G. Pantano

doi:10.1016/0022-3093(89)90579-6

Titania-silica glasses prepared by sintering alkoxide derived spherical colloids

W. T. Minehan
, G. L. Messing
, C. G. Pantano

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

23 Scopus citations

Abstract

Titania-silica glasses of 3.1 to 8.5 wt% titania were prepared by sintering alkoxide synthesized colloidal powders. The process capitalizes on the advantages of sol-gel chemistry for powder synthesis while circumventing the problem of drying gels. Green bodies formed by colloidal gelation, uniaxial dry pressing and tape casting were sintered from 1200 to 1500°C to yield crystallite-free glasses. Complete solution of up to 8.5 wt% titania was inferred from TEM and FTIR analysis. Thermal expansion coefficients ranged from 2.6 × 10^-7 to -0.38 × 10^-7/°C between 25 and 700°C for glasses containing 3.1 to 8.5% TiO₂, respectively.

Original language	English (US)
Pages (from-to)	163-168
Number of pages	6
Journal	Journal of Non-Crystalline Solids
Volume	108
Issue number	2
DOIs	https://doi.org/10.1016/0022-3093(89)90579-6
State	Published - Mar 1989

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

Access to Document

10.1016/0022-3093(89)90579-6

Cite this

@article{a04ddbff89144c9eaec0faa2c56f1dd2,

title = "Titania-silica glasses prepared by sintering alkoxide derived spherical colloids",

abstract = "Titania-silica glasses of 3.1 to 8.5 wt\% titania were prepared by sintering alkoxide synthesized colloidal powders. The process capitalizes on the advantages of sol-gel chemistry for powder synthesis while circumventing the problem of drying gels. Green bodies formed by colloidal gelation, uniaxial dry pressing and tape casting were sintered from 1200 to 1500°C to yield crystallite-free glasses. Complete solution of up to 8.5 wt\% titania was inferred from TEM and FTIR analysis. Thermal expansion coefficients ranged from 2.6 × 10-7 to -0.38 × 10-7/°C between 25 and 700°C for glasses containing 3.1 to 8.5\% TiO2, respectively.",

author = "Minehan, \{W. T.\} and Messing, \{G. L.\} and Pantano, \{C. G.\}",

note = "Funding Information: The authors gratefully acknowledge the Air Force Weapons Lab (F2960-85-c-0056) for financial support.",

year = "1989",

month = mar,

doi = "10.1016/0022-3093(89)90579-6",

language = "English (US)",

volume = "108",

pages = "163--168",

journal = "Journal of Non-Crystalline Solids",

issn = "0022-3093",

publisher = "Elsevier B.V.",

number = "2",

}

TY - JOUR

T1 - Titania-silica glasses prepared by sintering alkoxide derived spherical colloids

AU - Minehan, W. T.

AU - Messing, G. L.

AU - Pantano, C. G.

N1 - Funding Information: The authors gratefully acknowledge the Air Force Weapons Lab (F2960-85-c-0056) for financial support.

PY - 1989/3

Y1 - 1989/3

N2 - Titania-silica glasses of 3.1 to 8.5 wt% titania were prepared by sintering alkoxide synthesized colloidal powders. The process capitalizes on the advantages of sol-gel chemistry for powder synthesis while circumventing the problem of drying gels. Green bodies formed by colloidal gelation, uniaxial dry pressing and tape casting were sintered from 1200 to 1500°C to yield crystallite-free glasses. Complete solution of up to 8.5 wt% titania was inferred from TEM and FTIR analysis. Thermal expansion coefficients ranged from 2.6 × 10-7 to -0.38 × 10-7/°C between 25 and 700°C for glasses containing 3.1 to 8.5% TiO2, respectively.

AB - Titania-silica glasses of 3.1 to 8.5 wt% titania were prepared by sintering alkoxide synthesized colloidal powders. The process capitalizes on the advantages of sol-gel chemistry for powder synthesis while circumventing the problem of drying gels. Green bodies formed by colloidal gelation, uniaxial dry pressing and tape casting were sintered from 1200 to 1500°C to yield crystallite-free glasses. Complete solution of up to 8.5 wt% titania was inferred from TEM and FTIR analysis. Thermal expansion coefficients ranged from 2.6 × 10-7 to -0.38 × 10-7/°C between 25 and 700°C for glasses containing 3.1 to 8.5% TiO2, respectively.

UR - https://www.scopus.com/pages/publications/0024621748

UR - https://www.scopus.com/pages/publications/0024621748#tab=citedBy

U2 - 10.1016/0022-3093(89)90579-6

DO - 10.1016/0022-3093(89)90579-6

M3 - Article

AN - SCOPUS:0024621748

SN - 0022-3093

VL - 108

SP - 163

EP - 168

JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

IS - 2

ER -

Titania-silica glasses prepared by sintering alkoxide derived spherical colloids

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this