Rex wrote: > On Sat, 26 May 2007 19:54:21 -0700, "Tom Van Baak" <[EMAIL PROTECTED]> > wrote: > > >>> Even fused silica is unstable (see attachment). >>> Single crystal materials should be significantly better. >>> Ageing Invar doesn't do much for its dimensional instability. >>> >>> Bruce >>> >> Nice plot. Thanks Bruce. Where'd you find it? Someday >> I want to visit your library! You are just amazing. >> > > I don't know what most of those materials are, but looking at the plots, > seems Super Invar and Zerodur tags both point to the same line. The line > just above is unlabeled. I wonder which should be assigned to this line. > > > _______________________________________________ > Rex
Dont even think about super Invar. It was only this stable at a particular temperature. When measured at a different temperature it proved no more stable than invar. Bruce _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
