Beryllium Corrosion (Final Technical Report to United States Atomic Energy Commission, April 25, 1962 to April 24, 1963)
- Nuclear Metals, Inc., Concord, MA (United States)
An investigation of the corrosion behavior of beryllium showed that commercial-purity beryllium will survive in 343°C water without significant attack for prolonged periods. The presence of minute amounts of copper in the water has a deleterious effect on corrosion resistance. High-purity beryllium exhibits poor corrosion resistance in high temperature water. However, the material can be improved by alloying. Heat-treated alloys containing 0.4 w/o Ni, 0.2 w/o Ni plus 0.2 w/o Fe, or 0.5 w/o Ni plus 0.5 w/o Fe showed good corrosion resistance in 343 C water. Individual alloy additions to high-purity beryllium of Al, Mg, Mn, Si, Fe, Ni or Cr in amounts comparable to their content in commercial-purity beryllium had no effect in improving the corrosion resistance. The results suggest that a particular combination of elements may be responsible for the fact that the corrosion resistance of commercial purity material is superior to that of high-purity beryllium.
- Research Organization:
- Nuclear Metals, Inc., Concord, MA (United States)
- Sponsoring Organization:
- US Atomic Energy Commission (AEC); European Atomic Energy Community (Euratom)
- NSA Number:
- NSA-18-004198
- OSTI ID:
- 4130606
- Report Number(s):
- NMI--1911; EURAEC--804
- Country of Publication:
- United States
- Language:
- English
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