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Advanced copper-PCM composites for thermal management applications

Verbesserte Kupfer-Phasenübergangswerkstoff-Komposite für Wärmemanagement-Anwendungen
 
: Weidmüller, H.; Kalinichenka, S.; Weißgärber, T.; Kieback, B.

Max-Planck-Institut für Chemische Physik fester Stoffe; Fraunhofer-Institut für Fertigungstechnik und Angewandte Materialforschung -IFAM-, Dresden:
APNFM 2008, Advanced processing for novel functional materials : 23-25 January 2008, International Congress Center Dresden, Germany
Dresden, 2008
S.196-199
International Conference Advanced Processing of Novel Functional Materials (APNFM) <2008, Dresden>
Englisch
Konferenzbeitrag
Fraunhofer IFAM, Institutsteil Pulvermetallurgie und Verbundwerkstoffe Dresden ()
Phasenübergangswerkstoff; Kupfer; Pulvermetallurgie; poröses Metall; Latentwärmespeicherung; Natriumacetat; Wärmemanagement; Elektronik

Abstract
Copper-PCM composites can be manufactured by powder metallurgical technologies. Porous copper structures with 40 - 60vol.-% pore volume content were prepared and subsequently infiltrated with different liquid PCMs (Rubitherm - RT58 and sodium acetate trihydrate - NaAc). The high latent heat of NaAc cause remarkable 'capacitive thermal properties' in the composites Cu/NaAc/X. Cu/NaAc/X seems to be an interesting material to avoid strong thermal fluctuation caused by cyclic switching operations of electronics. Cu/NaAc/X will be suitable to realize a constant operation temperature in order to prevent from thermal strains between the electronic component and the heat sink.

: http://publica.fraunhofer.de/dokumente/N-128982.html