CIESC Journal ›› 2020, Vol. 71 ›› Issue (5): 2017-2023.DOI: 10.11949/0438-1157.20191553
• Fluid dynamics and transport phenomena • Previous Articles Next Articles
Yan SHI1(),Junwen ZHAO1(),Yanping YUAN2,Guangze DAI1,Jing HAN1
Received:
2019-12-19
Revised:
2020-03-04
Online:
2020-05-05
Published:
2020-05-05
Contact:
Junwen ZHAO
通讯作者:
赵君文
作者简介:
石彦(1993—),男,硕士,研究生,基金资助:
CLC Number:
Yan SHI, Junwen ZHAO, Yanping YUAN, Guangze DAI, Jing HAN. Effect of Cu content on phase change thermal storage properties of Al-Cu-Si alloy[J]. CIESC Journal, 2020, 71(5): 2017-2023.
石彦, 赵君文, 袁艳平, 戴光泽, 韩靖. Cu含量对Al-Cu-Si合金相变储热性能的影响[J]. 化工学报, 2020, 71(5): 2017-2023.
PCM | TM/℃ | ΔHm/(J?g-1) | ΔHv/(J?cm-3) | |
---|---|---|---|---|
Al-49.1Cu-4.6Si[ | 571 | 5.56 | 406 | 2260 |
Al-26.5Cu-4.6Si[ | 525 | 2.94 | 364 | 1069 |
Al-30Cu-5Si[ | 571 | 2.73 | 422 | 1150 |
Al-7Si-4Cu[ | 567 | 2.76 | 245 | 676 |
Al-33.2Cu[ | 548 | 3.42 | 351 | 1201 |
Al-52.8Cu[ | 589 | 4.26 | 291 | 1239 |
Al-12Si[ | 576 | 2.70 | 560 | 1512 |
Al-51Si[ | 578.5 | 2.25 | 515 | 1159 |
Table 1 Thermal properties of some Al-Cu-Si, Al-Cu, Al-Si alloys
PCM | TM/℃ | ΔHm/(J?g-1) | ΔHv/(J?cm-3) | |
---|---|---|---|---|
Al-49.1Cu-4.6Si[ | 571 | 5.56 | 406 | 2260 |
Al-26.5Cu-4.6Si[ | 525 | 2.94 | 364 | 1069 |
Al-30Cu-5Si[ | 571 | 2.73 | 422 | 1150 |
Al-7Si-4Cu[ | 567 | 2.76 | 245 | 676 |
Al-33.2Cu[ | 548 | 3.42 | 351 | 1201 |
Al-52.8Cu[ | 589 | 4.26 | 291 | 1239 |
Al-12Si[ | 576 | 2.70 | 560 | 1512 |
Al-51Si[ | 578.5 | 2.25 | 515 | 1159 |
Cu/%(mass) | (g?cm-3) | Onset/℃ | Endset/℃ | ΔHm/ (J?g-1) | ΔHv/ (J?cm-3) |
---|---|---|---|---|---|
35 | 3.46 | 518.4 | 568.7 | 440.5 | 1524.1 |
42 | 3.70 | 518.7 | 579.6 | 458.1 | 1696.9 |
48 | 4.01 | 513.2 | 598.5 | 439.5 | 1763.8 |
49.1 | 4.02 | 512.5 | 602.0 | 393.1 | 1578.5 |
51 | 4.11 | 567.4 | 600.4 | 398.6 | 1636.8 |
55 | 4.32 | 571.0 | 604.2 | 354.4 | 1530.9 |
Table 2 Phase transformation characteristics of Al-Cu-Si alloys with different Cu content
Cu/%(mass) | (g?cm-3) | Onset/℃ | Endset/℃ | ΔHm/ (J?g-1) | ΔHv/ (J?cm-3) |
---|---|---|---|---|---|
35 | 3.46 | 518.4 | 568.7 | 440.5 | 1524.1 |
42 | 3.70 | 518.7 | 579.6 | 458.1 | 1696.9 |
48 | 4.01 | 513.2 | 598.5 | 439.5 | 1763.8 |
49.1 | 4.02 | 512.5 | 602.0 | 393.1 | 1578.5 |
51 | 4.11 | 567.4 | 600.4 | 398.6 | 1636.8 |
55 | 4.32 | 571.0 | 604.2 | 354.4 | 1530.9 |
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