APPLICATION OF CERAMIC ADHESIVE-BRAZE ALLOY COMBINATION TECHNIQUE TO THE BONDING OF ASSEMBLIES
Abstract
A technique for bonding steels and high temperature alloys with a ceramic adhesive-brazingALLOY COMBINATION WAS DEVELOPED AND EVALUATED. The process was evaluated for bonding three steels: PH 15-7 Mo, 17-7 PH and AM 350; and two high te perature alloys: Rene' 41 nickel alloy and HS-25 cobalt alloy. The bonding processes were optimized for the various metals. The variables that were investigated included surface treatments; methods of applying ceramic; form of the brazing alloy; firing temperatures, time and pressure; ambient atmospheres. Lap joint and honeycomb sandwich specimens were bonded by the optimized rocedures and serviceability properties were determined by standard test methods. Test temperatures were as high as 1000 F for the steel joints and 1600 F for the nickel and cobalt alloy joints. Among the other tests that were run were creep-rupture fatigue, bend and 192 hour heat soaks. Sandwich specimens were tested for flex ral strength, flatwise tensile strength and edgewise compressive strength. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1962
- Accession Number
- AD0292020
Entities
People
- Donald A. Brown
Organizations
- Boeing