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Re: [ATM] Astronomium Metal Mirror
I think his "Being soft enough to grind easily" trashes invar in a
heartbeat.
I believe the alloy he is looking for is 30/70 unobtanium and elusivar.
George Anderson
Montreal Canada
Clear skies and good health
Richard wrote:
>
> Hi Jeremy,
>
> How about annealed Super Invar with a CTE of 0.63*10^-6 ?. That's
> better than most glasses. Also, NASA developed a much lower CTE
> version called HP Invar 36 which was used in one of the Cassini
> cameras.
>
> --
>
> Best regards,
> Richard
>
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