Accession Number:

AD0694836

Title:

METHOD FOR INCREASING THE MECHANICAL STRENGTH OF GLASS,

Descriptive Note:

Corporate Author:

FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s):

• Kuznetsov,A. Ya.
• Orlova,L. A.

Report Date:

1969-04-24

Pagination or Media Count:

5.0

Abstract:

The invention involves a method for increasing the mechanical strength of glass by treating the clean surface with an etching solution. The procedure is designed for optical glass and involves cleaning the surface with a mixture of petroleum ether and hydrolytic ethyl alcohol, followed by etching at room temperature in a solution of ammonium hydroxide, preferably 6.7-13.4 N, for 50-180 minutes. Author

Descriptors:

• (*OPTICAL GLASS
• MECHANICAL PROPERTIES)
• HARDNESS
• ETCHING
• CLEANING
• SURFACE PROPERTIES
• ETHERS
• ETHANOLS
• CLEANING COMPOUNDS
• AMMONIUM COMPOUNDS
• HYDROXIDES
• CONCENTRATION(CHEMISTRY)
• USSR

Subject Categories:

• Ceramics, Refractories and Glass
• Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE