[rescue] Accidentally destroying hardware..

[Chad Fernandez]

I see.  One, or both, of the timing gears in my Buick is powdered
metal.  It really doesn't melt together totally??  It's hard to imagine
it being strong, that way.  I wasn't aware that turbine blades were made
that way.  I thought they were usually titanium.

Chad

George Adkins wrote:
> Sintering is the process by which a mass of bits is partially fused together.
> 
> Imagine a bucket full of glass marbles.  Now, imagine heating them all up
> until they stick together everywhere they touch each other, but not enough to
> melt them completely or cause them to lose their shape too much.
> 
> this is the process by which, for instance, ceramics are fired (sort of) or
> by which metal powder is packed together and fused into light but strong and
> flexible material for things like turbine blades.

-- 
Chad Fernandez
Michigan, USA