Mechanical behavior of PMMA-impregnated silica gels. Technical report
Technical Report
·
OSTI ID:5763459
Silica xerogels were prepared from tetraethylorthosilicate with 50 vol.% open porosity. Methyl methacrylate monomer has been introduced into xerogel monoliths and polymerized with ultraviolet radiation. The fully infiltrated silica gel - PMMA composite has a bulk density of about 1.6 g/cm cubed. The resulting composite is lightweight and optically transparent. Elastic constants have been determined with ultrasonics. Flexure strengths have been measured in 4-point bending. The flexure strength of the composite is over 100 MPa in comparison to 20 MPa for the silica xerogel. The composite is designed for use at or below room temperature.
- Research Organization:
- Rutgers--the State Univ., New Brunswick, NJ (USA). Dept. of Ceramics
- OSTI ID:
- 5763459
- Report Number(s):
- AD-A-205975/6/XAB; TR-1
- Country of Publication:
- United States
- Language:
- English
Similar Records
Pultruded fiber reinforced PU/PMMA IPNs composites -- processability and mechanical properties
Vanadia/silica xerogels and nanocomposites
Mullite matrix continuous fibre reinforced composites by sol-gel processing
Conference
·
Thu Dec 30 23:00:00 EST 1993
·
OSTI ID:143570
Vanadia/silica xerogels and nanocomposites
Journal Article
·
Sun Oct 31 23:00:00 EST 1993
· Chemistry of Materials; (United States)
·
OSTI ID:5110510
Mullite matrix continuous fibre reinforced composites by sol-gel processing
Conference
·
Fri Dec 30 23:00:00 EST 1994
·
OSTI ID:96535
Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ADSORBENTS
CARBOXYLIC ACID SALTS
CHALCOGENIDES
COMPOSITE MATERIALS
DENSITY
DESIGN
DOCUMENT TYPES
ELASTICITY
ELECTROMAGNETIC RADIATION
ESTERS
FLEXURAL STRENGTH
MATERIALS
MECHANICAL PROPERTIES
METHACRYLATES
MONOMERS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PMMA
POLYACRYLATES
POLYMERS
POLYVINYLS
POROSITY
PROGRESS REPORT
RADIATIONS
SILICA GEL
SILICON COMPOUNDS
SILICON OXIDES
TENSILE PROPERTIES
ULTRAVIOLET RADIATION
360603* -- Materials-- Properties
ADSORBENTS
CARBOXYLIC ACID SALTS
CHALCOGENIDES
COMPOSITE MATERIALS
DENSITY
DESIGN
DOCUMENT TYPES
ELASTICITY
ELECTROMAGNETIC RADIATION
ESTERS
FLEXURAL STRENGTH
MATERIALS
MECHANICAL PROPERTIES
METHACRYLATES
MONOMERS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PMMA
POLYACRYLATES
POLYMERS
POLYVINYLS
POROSITY
PROGRESS REPORT
RADIATIONS
SILICA GEL
SILICON COMPOUNDS
SILICON OXIDES
TENSILE PROPERTIES
ULTRAVIOLET RADIATION