A new silver-free brazing process suitable for plasma-facing components in nuclear reactors
Article Abstract:
Research to demonstrate the viability of electrical power produced by thermonuclear fusion is ongoing. There is a need for materials combinations that can endure hostile conditions within a reactor. Solutions being evaluated involve beryllium plasma-facing elements. Silver-based brazes have shown promise as a joining route due to the high strengths than can be achieved, but silver transmutes to highly volatile cadmium. GMMT Hirst is pioneering a new approach using diffusion brazing, which is a silver-free joining method for plasma-facing assemblies.
Publication Name: GEC Journal of Technology
Subject: Telecommunications industry
ISSN: 1367-0476
Year: 1997
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Novel low expansion packages for electronics
Article Abstract:
A project to produce A1-Si alloys rich in silicon was initiated under the European Union's BRITE/EURAM R& D programme, to examine their properties and assess their suitability for use in light-weight low-CTE packaging. The Hirst Division of GEC-Marconi Materials Technology Ltd is leading the project, with Osprey Metals, TNO Institute of Industrial Research and Alcatel-Telcom. The materials are produced using the Osprey spray-deposition method.
Publication Name: GEC Journal of Technology
Subject: Telecommunications industry
ISSN: 1367-0476
Year: 1997
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The production of large rapid prototype tools using layer manufacturing technology
Article Abstract:
Techniques for rapid prototyping and tooling are limited for size and in the materials that can be used. A new method of Metal Layer Object Manufacture (MELOM) tool manufacture is described, whereby individual layers are bonded using diffusion soldering. The method uses the silver-tin system, but copper-tin is equally suitable. It offers benefits such as speed of production for large-scale prototype tooling.
Publication Name: GEC Journal of Technology
Subject: Telecommunications industry
ISSN: 1367-0476
Year: 1997
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