Actually, diamond has five times better thermal conductivity than silver, so is the most conductive element, although graphene is suspected to be better still.
Andy www.g4jnt.com <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Virus-free. www.avg.com <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Fri, 30 Oct 2020 at 22:17, Luiz Alberto Saba <[email protected]> wrote: > My bad... copper is the second, losing only to silver, as a thermal > conductor. > > Enviado do meu iPhone > > > Em 30 de out. de 2020, à(s) 19:06, Luiz Alberto Saba < > [email protected]> escreveu: > > > > If my memory serves me, copper has the better conductivity of all the > periodic table... > > > > Enviado do meu iPhone > > > >> Em 30 de out. de 2020, à(s) 18:56, Attila Kinali <[email protected]> > escreveu: > >> > >> Moin, > >> > >> I have been looking at heat capacities of different materials > >> lately. One thing that struk me odd is, that the volumetric > >> heat capacity of copper, which is the thing that most people > >> use when building something that needs to have high heat capacity > >> to get stable temperature, has only a volumetric heat capacity > >> of 3.45 J/(cm^3·K). Meanwhile, the much cheaper iron has > >> a volumetric heat capacity of 3.53 J/(cm^3·K) and steel > >> even 3.75 J/(cm^3·K). > >> > >> In an OCXO, which is generally size limited, getting the most > >> heat capacity in the limited volume would be the main goal, > >> wouldn't it? Also optimizing for price would be a major thing. > >> I can understand that iron is probably not the right choice > >> due to its tendency to oxidize. But using a soft (annealed) steel > >> would be easy to machine, cheaper per piece and give almost 10% > >> higher heat capacity in the same volume. > >> > >> So why do people choose copper instead of steel? > >> > >> > >> Attila Kinali > >> > >> PS: Fun fact: Water has a volumetric heat capacity of 4.18 J/(cm^3·K) > >> at 25°C. We should fill OCXOs with water! :-D > >> > >> -- > >> <JaberWorky> The bad part of Zurich is where the degenerates > >> throw DARK chocolate at you. > >> > >> _______________________________________________ > >> time-nuts mailing list -- [email protected] > >> To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > >> and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
