SOME OBSERVATIONS ON THE IDENTIFICATION OF COMPOUNDS IN THE SYSTEM URANIUM- ALUMINUM
Journal Article
·
· J. Inst. Metals
OSTI ID:4311869
The identification of three compounds encountered in uranium--aluminum alloys containing over 22 wt. % aluminuun has been studied. Three etching reagents were used: an electrolytic chromic acid/acetic acid bath, a 1% hydrofluoric acid solution, and a 50% nitric acid solution. Where two distinct compounds coexist in the sample, identification is easily achieved. Some difficulty is encountered with alloys in the (Al + UAl/sub 4/) phase field, where rapid cooling may suppress the formation of UAl/sub 4/ so that metastable UAl/sub 3/ is retained. In this case the use of polarized light can be helpful when the compound is present in fairly massive form. The etching characteristics of the various compounds are tabulated. (auth)
- Research Organization:
- Atomic Energy Research Establishment, Harwell, Berks, Eng.
- NSA Number:
- NSA-12-013876
- OSTI ID:
- 4311869
- Journal Information:
- J. Inst. Metals, Journal Name: J. Inst. Metals Vol. Vol: 86
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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