Nanobrazing is an innovative brazing technique that uses nanomaterials as the filler materials. Incorporating nanobrazing into conventional technologies such as vacuum and laser brazing creates a new frontier for repairing turbine blades and vanes. Due to the unique “nanopowdering” of filler materials, the metallurgical mechanisms and thermodynamics of nanobrazing show promise for innovative applications.

Successful part brazing relies on proper joint design, part cleanliness, and correct fixturing of part assemblies. Routine furnace maintenance allows repeatable, quality brazing results over time. This article describes aluminum brazing processes and process control considerations.

Active metal brazing played a key role in the development and fabrication of a modified beam target for particle-physics experiments conducted by Fermilab. The new target consists of a titanium tube filled with stacked graphite fins that were bonded in place by means of active metal brazing. This article describes the vacuum process and the methods used to evaluate the brazed titanium-graphite joints.

This work shows how metallographic analysis combined with energy dispersive X-ray spectroscopy helped investigators determine the basic processing techniques used in a circa 1910 silver-plated brass trombone, specifically, the joint between the mouthpiece receiver and a brace. This entry won the 2011 International Metallographic Contest sponsored by the International Metallographic Society.

A novel brazing approach for joining SiC-based fuel cladding is a promising technology for enhanced accident-tolerant nuclear fuels.