Thermal expansion of AlU and AlUZr alloys

The thermal expansion of Al10.3U, Al16.2U, Al22U, Al8.1U1Zr, Al16.2U1Zr, Al22U2Zr, Al30U2Zr and Al46U3Zr alloys (all compositions are in wt%) were measured from room temperature to 550°C using a high temperature dilatometer. The coefficient of thermal expansion (CTE) was found to increa...

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Bibliographic Details
Published in:Journal of nuclear materials 1995-10, Vol.226 (1), p.197-205
Main Authors: Kutty, T.R.G., Ganguly, C., Sastry, D.H.
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Heat capacities of solids
Metals. Metallurgy
Physics
Thermal expansion
thermomechanical effects and density
Thermal properties of condensed matter
Thermal properties of crystalline solids
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Summary:The thermal expansion of Al10.3U, Al16.2U, Al22U, Al8.1U1Zr, Al16.2U1Zr, Al22U2Zr, Al30U2Zr and Al46U3Zr alloys (all compositions are in wt%) were measured from room temperature to 550°C using a high temperature dilatometer. The coefficient of thermal expansion (CTE) was found to increase with temperature for Al8.1U1Zr and Al10.3U alloys while for higher uranium containing ternary alloys namely Al30U2Zr and Al46U3Zr the CTE decreased with temperature. The CTE of AlU and AlUZr alloys generally decreased with increase in uranium content. The differences in the thermal expansion behaviour of these binary and ternary alloys have been attributed to their microstructures and the amount of UAl 3, UAl 4 and Al in these alloys.
ISSN:0022-3115
1873-4820
DOI:10.1016/0022-3115(95)00090-9