Copper-silicon-magnesium alloys for latent heat storage
Abstract
The systematic development of microstructure, solidification characteristics, and heat of solidification with composition in copper-silicon-magnesium alloys for thermal energy storage is presented. Differential scanning calorimetry was used to relate the thermal characteristics to microstructural development in the investigated alloys and clarifies the location of one of the terminal three-phase eutectics. Repeated thermal cycling highlights the thermal storage stability of the transformation through multiple melting events. In conclusion, two near-terminal eutectic alloys display high enthalpies of solidification, relatively narrow melting ranges, and stable transformation hysteresis behaviors suited to thermal energy storage.
- Authors:
-
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-CA), Livermore, CA (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1259676
- Report Number(s):
- SAND-2016-3337J
Journal ID: ISSN 2196-2936; PII: 89
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Metallurgical and Materials Transactions. E, Materials for Energy Systems
- Additional Journal Information:
- Journal Name: Metallurgical and Materials Transactions. E, Materials for Energy Systems; Journal ID: ISSN 2196-2936
- Publisher:
- ASM International
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Gibbs, P. J., Withey, E. A., Coker, E. N., Kruizenga, A. M., and Andraka, C. E. Copper-silicon-magnesium alloys for latent heat storage. United States: N. p., 2016.
Web. doi:10.1007/s40553-016-0089-6.
Gibbs, P. J., Withey, E. A., Coker, E. N., Kruizenga, A. M., & Andraka, C. E. Copper-silicon-magnesium alloys for latent heat storage. United States. https://doi.org/10.1007/s40553-016-0089-6
Gibbs, P. J., Withey, E. A., Coker, E. N., Kruizenga, A. M., and Andraka, C. E. Tue .
"Copper-silicon-magnesium alloys for latent heat storage". United States. https://doi.org/10.1007/s40553-016-0089-6. https://www.osti.gov/servlets/purl/1259676.
@article{osti_1259676,
title = {Copper-silicon-magnesium alloys for latent heat storage},
author = {Gibbs, P. J. and Withey, E. A. and Coker, E. N. and Kruizenga, A. M. and Andraka, C. E.},
abstractNote = {The systematic development of microstructure, solidification characteristics, and heat of solidification with composition in copper-silicon-magnesium alloys for thermal energy storage is presented. Differential scanning calorimetry was used to relate the thermal characteristics to microstructural development in the investigated alloys and clarifies the location of one of the terminal three-phase eutectics. Repeated thermal cycling highlights the thermal storage stability of the transformation through multiple melting events. In conclusion, two near-terminal eutectic alloys display high enthalpies of solidification, relatively narrow melting ranges, and stable transformation hysteresis behaviors suited to thermal energy storage.},
doi = {10.1007/s40553-016-0089-6},
journal = {Metallurgical and Materials Transactions. E, Materials for Energy Systems},
number = ,
volume = ,
place = {United States},
year = {Tue Jun 21 00:00:00 EDT 2016},
month = {Tue Jun 21 00:00:00 EDT 2016}
}
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