Influence of Silicon on the Resistance of Al-Fe Alloys to Corrosion by Water at High Temperature; INFLUENCE DU SILICIUM SUR LA RESISTANCE D'ALLIAGES ALUMINIUM-FER A LA CORROSION PAR L'EAU A HAUTE TEMPERATURE
Technical Report
·
OSTI ID:4177996
A range of alloys with addition contents of 0.3 to 0.6 per cent of iron and 0.06 to 0.4 per cent of Si were corrosion tested between 250 and 300 deg C, in demineralized water. Micrographic results were connected with thermal treatments and compositions. The effect of Si is deleterious, particularly in solid solution, and iron offsets this action precipitating it in ternary compounds Al-Fe-Si. This produces as a consequence a consumption of iron. iron is essential in quantities necessary to preci pitate Al/sub 3/Fe which is n eccessary to have good resistance to corrosion. (auth)
- Research Organization:
- France. Commissariat a l'Energie Atomique, Paris
- NSA Number:
- NSA-14-011924
- OSTI ID:
- 4177996
- Report Number(s):
- CEA-1192
- Country of Publication:
- France
- Language:
- English
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