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Encapsulation and Performance of Copper-based Phase Change Macrocapsules
Li Jianqiang1; Zhang Guocai1,2; Xu Zhe1; Chen Yunfa1
AbstractAiming at the encapsulation of copper sphere as phase change material for high temperature waste heat recovery, the copper macrocapsules were prepared through a novel chromium plating method. The 100 microns chromium layer coated on copper sphere is dense and uniform and the bond between copper and chromium is good. The mechanism of chromium plating was also analyzed. The thermal properties and performance of the as-prepared macrocapsules were tested by Differential Scanning Calorimeter (DSC) and thermal cycle experiments. The phase change temperature is 1075 degrees C and phase change enthalpy is 153 J/g. Failure mechanism of copper macrocapsule during thermal cycles was investigated. The results show that the duration of the copper macrocapsule against thermal cycles could be enchanced by improving the oxidation resistance of chromium layer, increasing chromium layer thickness, and reducing the diameter of copper sphere.
KeywordPhase Change Materials Of Metal Copper Macrocapsules Chromium Plating Thermal Cycles Waste Heat Recovery
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000323798400067
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li Jianqiang,Zhang Guocai,Xu Zhe,et al. Encapsulation and Performance of Copper-based Phase Change Macrocapsules[J]. RARE METAL MATERIALS AND ENGINEERING,2013,42(1B):741-744.
APA Li Jianqiang,Zhang Guocai,Xu Zhe,&Chen Yunfa.(2013).Encapsulation and Performance of Copper-based Phase Change Macrocapsules.RARE METAL MATERIALS AND ENGINEERING,42(1B),741-744.
MLA Li Jianqiang,et al."Encapsulation and Performance of Copper-based Phase Change Macrocapsules".RARE METAL MATERIALS AND ENGINEERING 42.1B(2013):741-744.
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铜基金属相变储热胶囊的制备和性能表征.p(4859KB)期刊论文出版稿限制开放CC BY-NC-SAApplication Full Text
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