Accession Number:

AD0265054

Title:

STUDY OF DIFFUSION BONDING OF TUNGSTEN ALLOYS

Descriptive Note:

Corporate Author:

AEROJET-GENERAL CORP SACRAMENTO CALIF

Personal Author(s):

• HICKOX,GEORGE K.

Report Date:

1961-10-11

Pagination or Media Count:

1.0

Abstract:

A rocket motor test nozzle was designed to evaluate the techniques of diffusion bonding. Commercially pure W sheet and doped W sheet were given recrystallization heat treatments to determine the approximate recrystallization temperatures. Specimens 1-sq. in. were heattreated in 100 F increments from 2400 to 3100 F for 15 min. Each heat-treated specimen and an as-received sample of each material were metallographically prepared and photographed at 400X magnification. The recrystallization behavior of the materials for the given heat treatments are presented. Brazing tests with pure W sheet are being performed to evaluate the effects of braze joint thickness and joint coverage on the elevated temperature properties of the joints.

Descriptors:

• *ROCKET NOZZLES
• *TUNGSTEN
• BONDING
• BRAZING
• DIFFUSION
• HEAT TREATMENT
• MATERIALS
• MELTING
• MICROSTRUCTURE
• PROCESSING
• SHEETS
• TUNGSTEN ALLOYS

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE