Interesting, good to know! I assume those materials were not available in the 70s and 80s? Hybrids from those decades are known to be very fragile.
On Mon, 10 Apr 2017 04:08 Chuck Harris, <[email protected]> wrote: > There are modern ceramics that are among the toughest things you > will ever see in your life. > > A ceramic gun is entirely of ceramic. There are automotive > engines made entirely of ceramic. As are some turbines used > in turbochargers for engines. > > One of the things that can make ceramic extremely tough is > to put it in a mold, and compress it to many tons per square > inch, while in the green state. After that, it is already > tough. Then fire it to sinter everything together. > > Google is your friend. > > Again, it isn't your mother's teapot. > > -Chuck Harris > > cheater00 cheater00 wrote: > > Hi Chuck, > > I can't talk about most of those applications but in the ones I know of > the > > ceramics are used for their hardness (ie ability to withstand > deformation). > > What we want is toughness which is a different thing (ability to > withstand > > breaking). Compromising hardness and toughness is why in a knife you only > > harden the cutting edge, and you specifically watch out that the rest > > doesn't harden, or you even reverse the hardening process on that part. > > High hardness and low toughness is also why ceramic knives chip more > easily > > than metal ones. I haven't seen fully ceramic gun parts, interesting > idea. > > I know very little about gun parts. I wonder if it's just a layer over a > > metal. Brake linings will have the benefit of a tough backing which will > > enable load bearing. This is what you want from a pcb - toughness for > load > > bearing, and minimal hardness for reduced fragility. I don't suppose > lathe > > inserts will be made in the same way a pcb would be. If you know more > > please let me know, I'd love to hear more about it. And yeah, I like to > > break things when I can :) > > > > On Sun, 9 Apr 2017 18:37 Chuck Harris, <[email protected]> wrote: > > > >> Why exactly do you think ceramic is delicate? > _______________________________________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
