Deuterium plasma-material wall interactions
Abstract
During the final year of this program we completed our study of plasma interactions with material surfaces. Analysis of unipolar arc damage on the microstructure of Ti-6Al-4V was the final part of the study of plasma-metal interactions. Unipolar arcing was found to be the most severe damage mechanism for this alloy and the degree of damage was very sensitive to the metal microstructure. ATJ-S graphite specimens were exposed to hot deuterium plasma and were examined for surface damage. The residual gas in the plasma device was studied using a monopole gas analyzer so as to determine the type and quantity of hydrocarbon species produced by the plasma-graphite interaction.
- Publication:
-
Columbia Univ. Annual Report
- Pub Date:
- October 1981
- Bibcode:
- 1981cuny.rept.....T
- Keywords:
-
- Aluminum Alloys;
- Crystal Structure;
- Electric Arcs;
- Plasma Interactions;
- Titanium Alloys;
- Vanadium;
- Deuterium;
- Electric Current;
- Graphite;
- Microstructure;
- Plasma Physics;
- Sputtering;
- Plasma Physics