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Materials Synthesis: A New Horizon for Plasma Processing

Materials Synthesis: A New Horizon for Plasma Processing
Diran Apelian

Plasma processing has been a breakthrough technology in the field of materials processing in that it has enabled the development of technologies from extractive metallurgy, to coating, manufacture of advanced metal matrix composites, and to synthesis of materials. A brief overview of the last 50 years of plasma processing is given in this address. In context of historical perspectives, process development from atmospheric plasmas, to vacuum plasma processing, and to F G plasmas is visited to set the stage for the ensuing material developments. Applications for wear, corrosion protection, thermal barrier coatings, and other graded structures are briefly addressed, with particular interest to synthesis of novel and advanced materials. In this most recent development, reactive gases are introduced downstream into the plasma chamber which in turn react with the injected particles/droplets. The reaction product is dispersed upon impact at the substrate. The reaction product is thus evenly dispersed with the deposit. The process is flexible and an enabling technology in the development of new materials.

This paper was a keynote presentation at the 1992 TMS Annual Meeting.

Publisher: TMS
Product Format: PDF
Pages: 3-12
Date Published: February 1, 1992
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