Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2018Researchpeer-review

Standard

Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration. / Christiansen, Cathrine Deichmann; Nielsen, Kaspar Kirstein; Bjørk, Rasmus.

8th International Conference on Caloric Cooling (Thermag VIII). International Institute of Refrigeration, 2018. p. 96-101 (Institut International du Froid. Bulletin).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2018Researchpeer-review

Harvard

Christiansen, CD, Nielsen, KK & Bjørk, R 2018, Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration. in 8th International Conference on Caloric Cooling (Thermag VIII). International Institute of Refrigeration, Institut International du Froid. Bulletin, pp. 96-101, Thermag VIII - International Conference on Caloric Cooling (2018), Darmstadt, Germany, 16/09/2018.

APA

Christiansen, C. D., Nielsen, K. K., & Bjørk, R. (2018). Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration. In 8th International Conference on Caloric Cooling (Thermag VIII) (pp. 96-101). International Institute of Refrigeration. Institut International du Froid. Bulletin

CBE

Christiansen CD, Nielsen KK, Bjørk R. 2018. Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration. In 8th International Conference on Caloric Cooling (Thermag VIII). International Institute of Refrigeration. pp. 96-101. (Institut International du Froid. Bulletin).

MLA

Christiansen, Cathrine Deichmann, Kaspar Kirstein Nielsen, and Rasmus Bjørk "Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration". 8th International Conference on Caloric Cooling (Thermag VIII). International Institute of Refrigeration. (Institut International du Froid. Bulletin). 2018, 96-101.

Vancouver

Christiansen CD, Nielsen KK, Bjørk R. Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration. In 8th International Conference on Caloric Cooling (Thermag VIII). International Institute of Refrigeration. 2018. p. 96-101. (Institut International du Froid. Bulletin).

Author

Christiansen, Cathrine Deichmann ; Nielsen, Kaspar Kirstein ; Bjørk, Rasmus. / Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration. 8th International Conference on Caloric Cooling (Thermag VIII). International Institute of Refrigeration, 2018. pp. 96-101 (Institut International du Froid. Bulletin).

Bibtex

@inproceedings{4ee3b059ee464b7596a155daa64a8322,
title = "Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration",
abstract = "We present the engineering of directional porosity in the form of lamellar micro-channels in the magnetocaloric ceramic of La0.66Ca0.27Sr0.06Mn1.05O3 (LCSM) by freeze-casting. Freeze-casting is a templating technique based on the anisotropic growth of ice crystals in aqueous suspensions upon directional freezing, which, when applied to a suspension of LCSM results in hierarchical structures of aligned porosity in the form of micro-channels with widths of 5 μm to 20 μm. Channel sizes and tortuosity are measured and calculated from analysis of SEM images obtained at cross sections perpendicular and parallel to the freezing direction, respectively, while freezing conditions are monitored by temperature measurements. We propose that freeze-casting demonstrate apparent applicability within processing of ceramic materials for application as regenerator for magnetic refrigeration.",
keywords = "Freeze-casting, Ice templating, Micro-channels, Porous ceramics, Magnetocaloric, Magnetic refrigeration, Active magnetic regenerator",
author = "Christiansen, {Cathrine Deichmann} and Nielsen, {Kaspar Kirstein} and Rasmus Bj{\o}rk",
year = "2018",
language = "English",
pages = "96--101",
booktitle = "8th International Conference on Caloric Cooling (Thermag VIII)",
publisher = "International Institute of Refrigeration",

}

RIS

TY - GEN

T1 - Freeze-casting to create create directional micro-channels in regenerators for magnetic refrigeration

AU - Christiansen, Cathrine Deichmann

AU - Nielsen, Kaspar Kirstein

AU - Bjørk, Rasmus

PY - 2018

Y1 - 2018

N2 - We present the engineering of directional porosity in the form of lamellar micro-channels in the magnetocaloric ceramic of La0.66Ca0.27Sr0.06Mn1.05O3 (LCSM) by freeze-casting. Freeze-casting is a templating technique based on the anisotropic growth of ice crystals in aqueous suspensions upon directional freezing, which, when applied to a suspension of LCSM results in hierarchical structures of aligned porosity in the form of micro-channels with widths of 5 μm to 20 μm. Channel sizes and tortuosity are measured and calculated from analysis of SEM images obtained at cross sections perpendicular and parallel to the freezing direction, respectively, while freezing conditions are monitored by temperature measurements. We propose that freeze-casting demonstrate apparent applicability within processing of ceramic materials for application as regenerator for magnetic refrigeration.

AB - We present the engineering of directional porosity in the form of lamellar micro-channels in the magnetocaloric ceramic of La0.66Ca0.27Sr0.06Mn1.05O3 (LCSM) by freeze-casting. Freeze-casting is a templating technique based on the anisotropic growth of ice crystals in aqueous suspensions upon directional freezing, which, when applied to a suspension of LCSM results in hierarchical structures of aligned porosity in the form of micro-channels with widths of 5 μm to 20 μm. Channel sizes and tortuosity are measured and calculated from analysis of SEM images obtained at cross sections perpendicular and parallel to the freezing direction, respectively, while freezing conditions are monitored by temperature measurements. We propose that freeze-casting demonstrate apparent applicability within processing of ceramic materials for application as regenerator for magnetic refrigeration.

KW - Freeze-casting

KW - Ice templating

KW - Micro-channels

KW - Porous ceramics

KW - Magnetocaloric

KW - Magnetic refrigeration

KW - Active magnetic regenerator

M3 - Article in proceedings

SP - 96

EP - 101

BT - 8th International Conference on Caloric Cooling (Thermag VIII)

PB - International Institute of Refrigeration

ER -